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Windows Analysis Report
SecuriteInfo.com.Trojan.PackedNET.331.28355.4334

Overview

General Information

Sample Name:SecuriteInfo.com.Trojan.PackedNET.331.28355.4334 (renamed file extension from 4334 to exe)
Analysis ID:624197
MD5:1f04c12ab3a22f6806d30bacb7552f19
SHA1:9913975b167b01b96364cad477ca6dfab71da454
SHA256:de42477eb270c42a2eaf57e6efb465263fc02e72e6c8442fdbd27aa3bd8e76a5
Tags:exe
Infos:

Detection

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

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Yara detected AntiVM3
Detected Nanocore Rat
Yara detected Nanocore RAT
Snort IDS alert for network traffic
Writes to foreign memory regions
.NET source code references suspicious native API functions
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Installs a raw input device (often for capturing keystrokes)
Sample file is different than original file name gathered from version info
PE file contains strange resources
Drops PE files
Detected TCP or UDP traffic on non-standard ports
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • SecuriteInfo.com.Trojan.PackedNET.331.28355.exe (PID: 5012 cmdline: "C:\Users\user\Desktop\SecuriteInfo.com.Trojan.PackedNET.331.28355.exe" MD5: 1F04C12AB3A22F6806D30BACB7552F19)
    • RegSvcs.exe (PID: 4736 cmdline: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe MD5: 2867A3817C9245F7CF518524DFD18F28)
  • dhcpmon.exe (PID: 6792 cmdline: "C:\Program Files (x86)\DHCP Monitor\dhcpmon.exe" MD5: 2867A3817C9245F7CF518524DFD18F28)
    • conhost.exe (PID: 5536 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
  • cleanup
{"Version": "1.2.2.0", "Mutex": "484915e0-ae38-4675-9bf6-0f4a5bd5", "Domain1": "youngnonte.hopto.org", "Domain2": "91.193.75.133", "Port": 2323, "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"}
SourceRuleDescriptionAuthorStrings
00000004.00000000.408831258.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
  • 0xff8d:$x1: NanoCore.ClientPluginHost
  • 0xffca:$x2: IClientNetworkHost
  • 0x13afd:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
00000004.00000000.408831258.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
    00000004.00000000.408831258.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanoCoreunknown Kevin Breen <kevin@techanarchy.net>
    • 0xfcf5:$a: NanoCore
    • 0xfd05:$a: NanoCore
    • 0xff39:$a: NanoCore
    • 0xff4d:$a: NanoCore
    • 0xff8d:$a: NanoCore
    • 0xfd54:$b: ClientPlugin
    • 0xff56:$b: ClientPlugin
    • 0xff96:$b: ClientPlugin
    • 0xfe7b:$c: ProjectData
    • 0x10882:$d: DESCrypto
    • 0x1824e:$e: KeepAlive
    • 0x1623c:$g: LogClientMessage
    • 0x12437:$i: get_Connected
    • 0x10bb8:$j: #=q
    • 0x10be8:$j: #=q
    • 0x10c04:$j: #=q
    • 0x10c34:$j: #=q
    • 0x10c50:$j: #=q
    • 0x10c6c:$j: #=q
    • 0x10c9c:$j: #=q
    • 0x10cb8:$j: #=q
    00000004.00000000.409213843.0000000000402000.00000040.00000400.00020000.00000000.sdmpNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
    • 0xff8d:$x1: NanoCore.ClientPluginHost
    • 0xffca:$x2: IClientNetworkHost
    • 0x13afd:$x3: #=qjgz7ljmpp0J7FvL9dmi8ctJILdgtcbw8JYUc6GC8MeJ9B11Crfg2Djxcf0p8PZGe
    00000004.00000000.409213843.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
      Click to see the 31 entries
      SourceRuleDescriptionAuthorStrings
      4.2.RegSvcs.exe.5e30000.6.raw.unpackNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
      • 0xf7ad:$x1: NanoCore.ClientPluginHost
      • 0xf7da:$x2: IClientNetworkHost
      4.2.RegSvcs.exe.5e30000.6.raw.unpackNanocore_RAT_Feb18_1Detects Nanocore RATFlorian Roth
      • 0xf7ad:$x2: NanoCore.ClientPluginHost
      • 0x10888:$s4: PipeCreated
      • 0xf7c7:$s5: IClientLoggingHost
      4.2.RegSvcs.exe.5e30000.6.raw.unpackJoeSecurity_NanocoreYara detected Nanocore RATJoe Security
        4.2.RegSvcs.exe.5e30000.6.raw.unpackMALWARE_Win_NanoCoreDetects NanoCoreditekSHen
        • 0xf778:$x2: NanoCore.ClientPlugin
        • 0xf7ad:$x3: NanoCore.ClientPluginHost
        • 0xf76c:$i2: IClientData
        • 0xf78e:$i3: IClientNetwork
        • 0xf79d:$i5: IClientDataHost
        • 0xf7c7:$i6: IClientLoggingHost
        • 0xf7da:$i7: IClientNetworkHost
        • 0xf7ed:$i8: IClientUIHost
        • 0xf7fb:$i9: IClientNameObjectCollection
        • 0xf817:$i10: IClientReadOnlyNameObjectCollection
        • 0xf56a:$s1: ClientPlugin
        • 0xf781:$s1: ClientPlugin
        • 0x147a2:$s6: get_ClientSettings
        4.2.RegSvcs.exe.3c58a48.3.unpackNanocore_RAT_Gen_2Detetcs the Nanocore RATFlorian Roth
        • 0xd9ad:$x1: NanoCore.ClientPluginHost
        • 0xd9da:$x2: IClientNetworkHost