Windows Analysis Report 01_extracted.exe

Overview

General Information

Sample Name: 01_extracted.exe
Analysis ID: 483429
MD5: 59f356092b9f54b4ee5563a2fb8a3255
SHA1: 252ee78cd1597581b9dc14253a77526ef344af38
SHA256: 2206669cc770b99bfdcc44079e5f218a3b4161c7c973f652d6a497a58031bf1d
Tags: exe
Infos:

Most interesting Screenshot:

Detection

Nanocore
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Found malware configuration
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Yara detected Nanocore RAT
Detected Nanocore Rat
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Uses dynamic DNS services
.NET source code contains potential unpacker
Uses 32bit PE files
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Detected TCP or UDP traffic on non-standard ports
Internet Provider seen in connection with other malware
Sample execution stops while process was sleeping (likely an evasion)
Contains long sleeps (>= 3 min)
Enables debug privileges

Classification

AV Detection:

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Antivirus / Scanner detection for submitted sample
Source: 01_extracted.exe Avira: detected
Found malware configuration
Source: 0.0.01_extracted.exe.260000.0.unpack Malware Configuration Extractor: NanoCore {"Version": "1.2.2.0", "Mutex": "af905a54-91e0-44a6-90a1-2d1125da", "Group": "septe123", "Domain1": "sunnysept.duckdns.org", "Domain2": "sunnysept.duckdns.org", "Port": 5500, "KeyboardLogging": "Enable", "RunOnStartup": "Disable", "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"}
Yara detected Nanocore RAT
Source: Yara match File source: 01_extracted.exe, type: SAMPLE
Source: Yara match File source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR
Machine Learning detection for sample
Source: 01_extracted.exe Joe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked file
Source: 0.0.01_extracted.exe.260000.0.unpack Avira: Label: TR/Dropper.MSIL.Gen7

Compliance:

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Uses 32bit PE files
Source: 01_extracted.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED
Source: C:\Users\user\Desktop\01_extracted.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior

Networking:

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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49733 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49734 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49735 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49736 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49737 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49744 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49745 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49746 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49767 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49773 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49774 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49777 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49783 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49786 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49787 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49788 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49790 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49795 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49797 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49798 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49799 -> 194.147.140.14:5500
Source: Traffic Snort IDS: 2025019 ET TROJAN Possible NanoCore C2 60B 192.168.2.3:49800 -> 194.147.140.14:5500
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: sunnysept.duckdns.org
Uses dynamic DNS services
Source: unknown DNS query: name: sunnysept.duckdns.org
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.3:49733 -> 194.147.140.14:5500
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: PTPEU PTPEU
Source: unknown DNS traffic detected: queries for: sunnysept.duckdns.org

E-Banking Fraud:

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Yara detected Nanocore RAT
Source: Yara match File source: 01_extracted.exe, type: SAMPLE
Source: Yara match File source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR

System Summary:

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Malicious sample detected (through community Yara rule)
Source: 01_extracted.exe, type: SAMPLE Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 01_extracted.exe, type: SAMPLE Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR Matched rule: Detetcs the Nanocore RAT Author: Florian Roth
Source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR Matched rule: NanoCore Author: Kevin Breen <kevin@techanarchy.net>
Uses 32bit PE files
Source: 01_extracted.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED
Yara signature match
Source: 01_extracted.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: 01_extracted.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: 01_extracted.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: 0.0.01_extracted.exe.260000.0.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: 0.0.01_extracted.exe.260000.0.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: 0.0.01_extracted.exe.260000.0.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: 00000000.00000000.210003414.0000000000262000.00000002.00020000.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: 00000000.00000000.210003414.0000000000262000.00000002.00020000.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: 01_extracted.exe PID: 2392, 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: 01_extracted.exe PID: 2392, 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: 01_extracted.exe Static PE information: Section: .rsrc ZLIB complexity 0.999732142857
Source: C:\Users\user\Desktop\01_extracted.exe File read: C:\Users\user\Desktop\01_extracted.exe Jump to behavior
Source: 01_extracted.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\01_extracted.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Section loaded: C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\9603718106bd57ecfbb18fefd769cab4\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sorttbls.nlp Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Section loaded: C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\sortkey.nlp Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A29FF9E-7F9C-4437-8B11-F424491E3931}\InprocServer32 Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\{af905a54-91e0-44a6-90a1-2d1125da804b}
Source: C:\Users\user\Desktop\01_extracted.exe Mutant created: \Sessions\1\BaseNamedObjects\Global\.net clr networking
Source: C:\Users\user\Desktop\01_extracted.exe File created: C:\Users\user\AppData\Roaming\D06ED635-68F6-4E9A-955C-4899F5F57B9A Jump to behavior
Source: classification engine Classification label: mal100.troj.evad.winEXE@1/2@22/1
Source: 01_extracted.exe, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs Cryptographic APIs: 'CreateDecryptor'
Source: 01_extracted.exe, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 01_extracted.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs Cryptographic APIs: 'CreateDecryptor'
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqVxXNKnhAcArgJoGGYXiyyQu003du003d.cs Cryptographic APIs: 'TransformFinalBlock'
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 01_extracted.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 01_extracted.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Security API names: System.Security.Principal.WindowsIdentity System.Security.Principal.WindowsIdentity::GetCurrent()
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs Security API names: System.Boolean System.Security.Principal.WindowsPrincipal::IsInRole(System.Security.Principal.WindowsBuiltInRole)
Source: C:\Users\user\Desktop\01_extracted.exe File opened: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorrc.dll Jump to behavior
Source: 01_extracted.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: C:\Users\user\Desktop\01_extracted.exe File opened: C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.9445_none_d08c58b4442ba54f\MSVCR80.dll Jump to behavior

Data Obfuscation:

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.NET source code contains potential unpacker
Source: 01_extracted.exe, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs .Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 01_extracted.exe, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs .Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqxoz66kOqvxr21iYXZYXWiumy9eZGwFWaiX4C5X8aecUu003d.cs .Net Code: #=qKU0J1fiP8KA33eFK1owekQ== System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqjIje6jGWLd2EOkfZXKqBbgu003du003d.cs .Net Code: #=q_FL69pQf17BUSAFbWYu1SStMAbdu$R1GJ8VY8UL5_EA= System.Reflection.Assembly System.Reflection.Assembly::Load(System.Byte[])
Source: 01_extracted.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$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 01_extracted.exe, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqWrm21vQ8CBMZP_RBTwpusAu003du003d.cs High entropy of concatenated method names: '#=qCgU$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$mYaS72OXOWe0Z6GycslEb6e9Ipoy7ppW0O5abIp05ajv8doqdJZHlN3cK'
Source: 0.0.01_extracted.exe.260000.0.unpack, u0023u003dqJT4I5hOweIku0024xYFEeDszbikglXCuquUdu0024v9AXtyq2nsu003d.cs High entropy of concatenated method names: '#=qBeOBlH6CwHFnQdZWWBgZ_pemudZ6CfCVcfOQtgpeG$Y=', '#=q5v5cLSMFBaxiTtOEjscx86gN2ozXlfytiL6UmXnyWtg=', '#=q_XA5h2lVGHLcY9dK754wKGrOjAm6aBbwPxcUJXgJThJUz83kMbCL53G5uuOLP6Rq', '#=qIFfr$DrKqIieRc688$vylAlBsEnx9Z3$TxvrDsPURfM=', '#=qejgvNXJQvgM2GomZsygLjreyguSPQ29pQHqjR_a0dWk=', '#=qCGokdf0OOxeMJLDkXSfc3NPmwygIQ29RjKQWj$wbNGB9C1pPgma_891QiNyTRXcA', '#=qDqyUVyJLXCtYqhZ0$opqkomqhUBn2WCeEEvGAXlNQ$I=', '#=qdImPAY1o3YhbLtukwCQ91cISaeIEWRKSYrGZ3dTVnkY=', '#=qza7O1AHrroJC7yRIJz4wINR_Sgo4hDpQrj_OYfIrlJE=', '#=q6Ct3QmvVLFC7my$dL1uEiHGmXJ5qCuK4WIhDwfhPTFs='

Hooking and other Techniques for Hiding and Protection:

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Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Users\user\Desktop\01_extracted.exe File opened: C:\Users\user\Desktop\01_extracted.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Users\user\Desktop\01_extracted.exe Window / User API: threadDelayed 364 Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Window / User API: foregroundWindowGot 1016 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\01_extracted.exe TID: 1536 Thread sleep time: -1844674407370954s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe TID: 5380 Thread sleep time: -32000s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe TID: 1836 Thread sleep time: -40000s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Users\user\Desktop\01_extracted.exe Last function: Thread delayed
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\01_extracted.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Thread delayed: delay time: 922337203685477 Jump to behavior

Anti Debugging:

barindex
Enables debug privileges
Source: C:\Users\user\Desktop\01_extracted.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Memory allocated: page read and write | page guard Jump to behavior
Source: C:\Users\user\Desktop\01_extracted.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

barindex
Yara detected Nanocore RAT
Source: Yara match File source: 01_extracted.exe, type: SAMPLE
Source: Yara match File source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected Nanocore RAT
Source: Yara match File source: 01_extracted.exe, type: SAMPLE
Source: Yara match File source: 0.0.01_extracted.exe.260000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: 01_extracted.exe PID: 2392, type: MEMORYSTR
Detected Nanocore Rat
Source: 01_extracted.exe, 00000000.00000000.210003414.0000000000262000.00000002.00020000.sdmp String found in binary or memory: NanoCore.ClientPluginHost
Source: 01_extracted.exe String found in binary or memory: NanoCore.ClientPluginHost
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 483429 Sample: 01_extracted.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 13 sunnysept.duckdns.org 2->13 17 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->17 19 Found malware configuration 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 8 other signatures 2->23 6 01_extracted.exe 9 2->6         started        signatures3 process4 dnsIp5 15 sunnysept.duckdns.org 194.147.140.14, 49733, 49734, 49735 PTPEU unknown 6->15 11 C:\Users\user\AppData\Roaming\...\run.dat, data 6->11 dropped 25 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->25 file6 signatures7
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
194.147.140.14
 sunnysept.duckdns.org unknown
47285 PTPEU true

Contacted Domains

Name IP Active
sunnysept.duckdns.org 194.147.140.14 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
sunnysept.duckdns.org true
  • 2%, Virustotal, Browse
  • Avira URL Cloud: safe
 unknown