Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 14:55

General

  • Target

    8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe

  • Size

    772KB

  • MD5

    d064646721e6e070b61daecc9396bd63

  • SHA1

    aa6194967f091d6ad78ee72b937dde20a89fcfb9

  • SHA256

    8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9

  • SHA512

    b3eaedec7c2007a0fc5f1ce3d726a13bc9a69d6dbcd1f2db05a7db023917a02f533626a1c79648d613f014c17b358d70fb714b1939bd329d01113f0348bcbbd1

  • SSDEEP

    12288:dJpHCmbibyjK567+fJzJjIOppNcTB+iIPsMI:ZCtyjK5QyJjIGpNcT+P

Malware Config

Extracted

Family

snakekeylogger

C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe
    "C:\Users\Admin\AppData\Local\Temp\8f44201b56398e30425dab3f99cda8c490e3b4ded5f8d545de18f779f1feb6e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:764
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:1492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2600-11-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-20-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-18-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-9-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-5-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-15-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2600-7-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/3024-1-0x00000000003F0000-0x00000000004B6000-memory.dmp

      Filesize

      792KB

    • memory/3024-0-0x0000000074830000-0x0000000074F1E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-4-0x00000000003E0000-0x00000000003E8000-memory.dmp

      Filesize

      32KB

    • memory/3024-17-0x0000000074830000-0x0000000074F1E000-memory.dmp

      Filesize

      6.9MB

    • memory/3024-3-0x0000000004A10000-0x0000000004A50000-memory.dmp

      Filesize

      256KB

    • memory/3024-2-0x00000000007D0000-0x0000000000824000-memory.dmp

      Filesize

      336KB