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Analysis

  • max time kernel
    91s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2022, 05:35

General

  • Target

    SOLICITUD DE OFERTA.exe

  • Size

    584KB

  • MD5

    b054f014538d20144233d8f91bcf6707

  • SHA1

    4f4d602570d9dbdd7206f4161eaa8ee815049b07

  • SHA256

    bc24cb4f4f62067fa75d7dde37d2036b1c179c1554bfe66af8f3bb823fdce4de

  • SHA512

    a5740d9dac0a2fdb68d133ba61aba452bfcdc6138ed445f4bacd73cdb47050a4cc0f0f4d6d474fa9302bf080996de7a2466e111a36ce0d44a64f29c75028050e

  • SSDEEP

    12288:+UVN8v42n9NGRXE4G8GzLHpAavZN43Y3APQB:BY4ASm8yaavZN4I3AY

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOLICITUD DE OFERTA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOLICITUD DE OFERTA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 1576
        3⤵
        • Program crash
        PID:4420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1640 -ip 1640
    1⤵
      PID:1704

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1640-135-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1640-136-0x0000000005980000-0x0000000005F24000-memory.dmp

      Filesize

      5.6MB

    • memory/4864-132-0x0000000000D90000-0x0000000000E28000-memory.dmp

      Filesize

      608KB

    • memory/4864-133-0x0000000004B70000-0x0000000004C0C000-memory.dmp

      Filesize

      624KB