Windows Analysis Report 6811A4CEA56365431B3799600303C945593A997E61968.exe

AV Detection:

Found malware configuration

Source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp

Malware Configuration Extractor: NanoCore {"Version": "1.2.2.0", "Mutex": "f211aa87-950c-4609-b635-0852d30e", "Group": "Default", "Domain1": "softtrim.hopto.org", "Domain2": "softtrim.hopto.org", "Port": 54984, "KeyboardLogging": "Enable", "RunOnStartup": "Enable", "RequestElevation": "Disable", "BypassUAC": "Disable", "ClearZoneIdentifier": "Enable", "ClearAccessControl": "Disable", "SetCriticalProcess": "Disable", "PreventSystemSleep": "Enable", "ActivateAwayMode": "Disable", "EnableDebugMode": "Disable", "RunDelay": 0, "ConnectDelay": 4000, "RestartDelay": 5000, "TimeoutInterval": 5000, "KeepAliveTimeout": 30000, "MutexTimeout": 5000, "LanTimeout": 2500, "WanTimeout": 8000, "BufferSize": "ffff0000", "MaxPacketSize": "0000a000", "GCThreshold": "0000a000", "UseCustomDNS": "Enable", "PrimaryDNSServer": "8.8.8.8", "BackupDNSServer": "8.8.4.4"}

Multi AV Scanner detection for submitted file

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	Virustotal: Detection: 82%			Perma Link
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	Metadefender: Detection: 85%			Perma Link
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	ReversingLabs: Detection: 100%

Antivirus / Scanner detection for submitted sample

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Avira: detected

Antivirus detection for dropped file

Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe

Avira: detection malicious, Label: TR/Dropper.MSIL.Gen7

Multi AV Scanner detection for dropped file

Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Metadefender: Detection: 85%			Perma Link
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	ReversingLabs: Detection: 100%

Yara detected Nanocore RAT

Source: Yara match	File source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR
Source: Yara match	File source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED

Machine Learning detection for sample

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Joe Sandbox ML: detected

Machine Learning detection for dropped file

Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe

Joe Sandbox ML: detected

Antivirus or Machine Learning detection for unpacked file

Source: 5.2.dhcpmon.exe.fc0000.0.unpack	Avira: Label: TR/Dropper.MSIL.Gen7
Source: 5.0.dhcpmon.exe.fc0000.0.unpack	Avira: Label: TR/Dropper.MSIL.Gen7
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack	Avira: Label: TR/Dropper.MSIL.Gen7

Compliance:

Uses 32bit PE files

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED

Uses new MSVCR Dlls

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll

Jump to behavior

Networking:

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49752 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49753 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49754 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49755 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49756 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49759 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49760 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49761 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49762 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49790 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49802 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49809 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49811 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49834 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49837 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49838 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49840 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49841 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49842 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49843 -> 103.114.104.13:54984
Source: Traffic	Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.4:49844 -> 103.114.104.13:54984

C2 URLs / IPs found in malware configuration

Source: Malware configuration extractor

URLs: softtrim.hopto.org

Internet Provider seen in connection with other malware

Source: Joe Sandbox View

ASN Name: VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN

Detected TCP or UDP traffic on non-standard ports

Source: global traffic

TCP traffic: 192.168.2.4:49752 -> 103.114.104.13:54984

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: softtrim.hopto.org

Key, Mouse, Clipboard, Microphone and Screen Capturing:

Installs a raw input device (often for capturing keystrokes)

Source: dhcpmon.exe, 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp

Binary or memory string: RegisterRawInputDevices

E-Banking Fraud:

Yara detected Nanocore RAT

Source: Yara match	File source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR
Source: Yara match	File source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED

System Summary:

Malicious sample detected (through community Yara rule)

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.dhcpmon.exe.3773dc4.1.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED	Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED	Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>

Uses 32bit PE files

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED

Yara signature match

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.2.dhcpmon.exe.3773dc4.1.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.3773dc4.1.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED	Matched rule: Nanocore_RAT_Gen_2 date = 2016-04-22, hash1 = 755f49a4ffef5b1b62f4b5a5de279868c0c1766b528648febf76628f1fe39050, author = Florian Roth, description = Detetcs the Nanocore RAT, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE, score = https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED	Matched rule: Nanocore_RAT_Feb18_1 date = 2018-02-19, hash1 = aa486173e9d594729dbb5626748ce10a75ee966481b68c1b4f6323c827d9658c, author = Florian Roth, description = Detects Nanocore RAT, reference = Internal Research - T2T, license = Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED	Matched rule: NanoCore date = 2014/04, filetype = exe, author = Kevin Breen <kevin@techanarchy.net>, maltype = Remote Access Trojan, ref = http://malwareconfig.com/stats/NanoCore

Detected potential crypto function

Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 5_2_00FC524A		5_2_00FC524A
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 5_2_058F2FA8		5_2_058F2FA8
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 5_2_058F23A0		5_2_058F23A0
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 5_2_058F3850		5_2_058F3850
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Code function: 5_2_058F306F		5_2_058F306F

PE file has section (not .text) which is very likely to contain packed code (zlib compression ratio < 0.011)

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	Static PE information: Section: .rsrc ZLIB complexity 0.999553571429
Source: dhcpmon.exe.0.dr	Static PE information: Section: .rsrc ZLIB complexity 0.999553571429

Sample is known by Antivirus

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	Virustotal: Detection: 82%
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	Metadefender: Detection: 85%
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	ReversingLabs: Detection: 100%

Sample reads its own file content

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File read: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Jump to behavior

PE file has an executable .text section and no other executable section

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Reads software policies

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Spawns processes

Source: unknown	Process created: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe 'C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe'
Source: unknown	Process created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe 'C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe'

Uses an in-process (OLE) Automation server

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A29FF9E-7F9C-4437-8B11-F424491E3931}\InprocServer32

Jump to behavior

Creates files inside the user directory

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File created: C:\Users\user\AppData\Roaming\D06ED635-68F6-4E9A-955C-4899F5F57B9A

Jump to behavior

Classification label

Source: classification engine

Classification label: mal100.troj.evad.winEXE@2/5@21/1

.NET source code contains many API calls related to security

Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: dhcpmon.exe.0.dr, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: dhcpmon.exe.0.dr, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)

Parts of this applications are using the .NET runtime (Probably coded in C#)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll			Jump to behavior

Found detection on Joe Sandbox Cloud Basic with higher score

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Joe Sandbox Cloud Basic: Detection: clean Score: 0

Perma Link

Creates mutexes

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Mutant created: \Sessions\1\BaseNamedObjects\Global\.net clr networking
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Mutant created: \Sessions\1\BaseNamedObjects\Global\{f211aa87-950c-4609-b635-0852d30ee9e9}

Creates files inside the program directory

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File created: C:\Program Files (x86)\DHCP Monitor

Jump to behavior

.NET source code contains calls to encryption/decryption functions

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'CreateDecryptor'
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock'
Source: dhcpmon.exe.0.dr, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: dhcpmon.exe.0.dr, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'CreateDecryptor'
Source: dhcpmon.exe.0.dr, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock'
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'CreateDecryptor'
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs	Cryptographic APIs: 'TransformFinalBlock'

Uses Microsoft Silverlight

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dll

Jump to behavior

Uses new MSVCR Dlls

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll

Jump to behavior

PE file contains a COM descriptor data directory

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe

Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR

Data Obfuscation:

.NET source code contains potential unpacker

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: dhcpmon.exe.0.dr, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: dhcpmon.exe.0.dr, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs	.Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs	.Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])

.NET source code contains many randomly named methods

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: dhcpmon.exe.0.dr, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: dhcpmon.exe.0.dr, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: 5.2.dhcpmon.exe.fc0000.0.unpack, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs	High entropy of concatenated method names: '#=qCgU$tDqtOAyz2b$RwfSF7UzBcCAr0rFJWxm16x7Lre0=', '#=qeD3MBfedCIuKIQf9V1u2N3YS4VXE_FOHqw_XAjWtZK8=', '#=q$mvEHEBkZud$AdHPWqsMQnw5Xm5sD4vBSSmqrKuXGOk=', '#=qZaN94n8dM6tBEf$qCdY2kbTZb5BOW8Z134$2tNv7EJs=', '#=qtlZnL8mho$rv1eTFz0Mw9UYFC_yCabEZ0xtVePn6wR5aSHE7ti3UfKg2l7D0_xk8', '#=qVS$QmQjvFfsXSqQAKGSl6HGbkse2SG0XCab4upVjtRJkvhTEk$oIS2I9Zja7id1Q', '#=qxJg7RxTW1v5mnt12xXeJiYJv_bcctbtL2BCD5MjDi45Hlz6t8vwDNTv1Rv7tgIct', '#=qp$ZVC1r9spi890l$D7IwEd3faoKeWHvv42mVq8wIIWM=', '#=qCoWHlVuoVRMkOzC7RZubJCslkxaEWn9yZiIydECf69$ktj0IPD5wAwC2H5Cc8C$L', '#=qqs1moO$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 5.0.dhcpmon.exe.fc0000.0.unpack, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs	High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='

Persistence and Installation Behavior:

Drops PE files

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File created: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe

Jump to dropped file

Hooking and other Techniques for Hiding and Protection:

Hides that the sample has been downloaded from the Internet (zone.identifier)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

File opened: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe:Zone.Identifier read attributes | delete

Jump to behavior

Disables application error messsages (SetErrorMode)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior

Malware Analysis System Evasion:

May sleep (evasive loops) to hinder dynamic analysis

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe TID: 6772	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior
Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe TID: 6760	Thread sleep time: -700000s >= -30000s			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe TID: 7124	Thread sleep time: -922337203685477s >= -30000s			Jump to behavior

Contains long sleeps (>= 3 min)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

Found a high number of Window / User specific system calls (may be a loop to detect user behavior)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Window / User API: foregroundWindowGot 957

Jump to behavior

Queries a list of all running processes

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Process information queried: ProcessInformation

Jump to behavior

Contains medium sleeps (>= 30s)

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe	Thread delayed: delay time: 922337203685477			Jump to behavior
Source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe	Thread delayed: delay time: 922337203685477			Jump to behavior

Anti Debugging:

Enables debug privileges

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Process token adjusted: Debug

Jump to behavior

Creates guard pages, often used to prevent reverse engineering and debugging

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Memory allocated: page read and write | page guard

Jump to behavior

Language, Device and Operating System Detection:

Queries the cryptographic machine GUID

Source: C:\Users\user\Desktop\6811A4CEA56365431B3799600303C945593A997E61968.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid

Jump to behavior

Stealing of Sensitive Information:

Yara detected Nanocore RAT

Source: Yara match	File source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR
Source: Yara match	File source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED

Remote Access Functionality:

Detected Nanocore Rat

Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp	String found in binary or memory: NanoCore.ClientPluginHost
Source: dhcpmon.exe	String found in binary or memory: NanoCore.ClientPluginHost
Source: dhcpmon.exe, 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp	String found in binary or memory: <Module>mscorlibMicrosoft.VisualBasicMyApplicationNanoCore.MyMyComputerMyProjectMyWebServicesThreadSafeObjectProvider`1IClientNetworkNanoCore.ClientPluginIClientDataIClientAppIClientDataHostNanoCore.ClientPluginHostIClientNetworkHostIClientUIHostIClientLoggingHostIClientAppHostIClientNameObjectCollectionNanoCoreIClientReadOnlyNameObjectCollectionClientInvokeDelegateMicrosoft.VisualBasic.ApplicationServicesApplicationBase.ctorMicrosoft.VisualBasic.DevicesComputerSystemObject.cctorget_Computerm_ComputerObjectProviderget_Applicationm_AppObjectProviderUserget_Userm_UserObjectProviderget_WebServicesm_MyWebServicesObjectProviderApplicationWebServicesEqualsoGetHashCodeTypeGetTypeToStringCreate__Instance__TinstanceDispose__Instance__get_GetInstanceMicrosoft.VisualBasic.MyServices.InternalContextValue`1m_ContextGetInstanceReadPacketpipeNameparamsPipeCreatedPipeClosedConnectionStateChangedconnectedConnectionFailedhostportBuildingHostCacheVariableChangednameClientSettingChangedPluginUninstallingClientUninstallingget_Variablesget_ClientSettingsget_BuilderSettingsVariablesClientSettingsBuilderSettingsget_ConnectedClosePipePipeExistsRebuildHostCacheAddHostEntryDisconnectSendToServercompressConnectedInvokemethodstateLogClientMessagemessageExceptionLogClientExceptionexsiteRestartShutdownDisableProtectionRestoreProtectionUninstallEntryExistsSystem.Collections.GenericKeyValuePair`2GetEntriesGetValuedefaultValueSetValuevalueRemoveValueMulticastDelegateTargetObjectTargetMethodIAsyncResultAsyncCallbackBeginInvokeDelegateCallbackDelegateAsyncStateEndInvokeDelegateAsyncResultSystem.ComponentModelEditorBrowsableAttributeEditorBrowsableStateSystem.CodeDom.CompilerGeneratedCodeAttributeSystem.DiagnosticsDebuggerHiddenAttributeMicrosoft.VisualBasic.CompilerServicesStandardModuleAttributeHideModuleNameAttributeSystem.ComponentModel.DesignHelpKeywordAttributeSystem.Runtime.CompilerServicesRuntimeHelpersGetObjectValueRuntimeTypeHandleGetTypeFromHandleActivatorCreateInstanceMyGroupCollectionAttributeget_Valueset_ValueSystem.Runtime.InteropServicesComVisibleAttributeParamArrayAttributeCompilationRelaxationsAttributeRuntimeCompatibilityAttributeSystem.ReflectionAssemblyFileVersionAttributeGuidAttributeAssemblyTrademarkAttributeAssemblyCopyrightAttributeAssemblyProductAttributeAssemblyCompanyAttributeAssemblyDescriptionAttributeAssemblyTitleAttributeClientPluginClientPlugin.dll
Source: 6811A4CEA56365431B3799600303C945593A997E61968.exe	String found in binary or memory: NanoCore.ClientPluginHost

Yara detected Nanocore RAT

Source: Yara match	File source: 6811A4CEA56365431B3799600303C945593A997E61968.exe, type: SAMPLE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.0.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47a2a2d.4.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 0.0.6811A4CEA56365431B3799600303C945593A997E61968.exe.cf0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.fc0000.0.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.479e404.3.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 5.2.dhcpmon.exe.47995ce.2.raw.unpack, type: UNPACKEDPE
Source: Yara match	File source: 00000005.00000002.708062822.0000000003751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.708099328.0000000004751000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000002.707589854.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000000.668632002.0000000000CF2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: 00000005.00000000.691691509.0000000000FC2000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: 6811A4CEA56365431B3799600303C945593A997E61968.exe PID: 6692, type: MEMORYSTR
Source: Yara match	File source: Process Memory Space: dhcpmon.exe PID: 7096, type: MEMORYSTR
Source: Yara match	File source: C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe, type: DROPPED