Analysis

  • max time kernel
    169s
  • max time network
    227s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:49

General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe

  • Size

    845KB

  • MD5

    ddf19dfc9d16d9ac8f984a593cc05eed

  • SHA1

    276790704c1ef49a3c38726e8a17b6b6bc1143d9

  • SHA256

    50d20d3369c59197a90bbcdc2c8683ac140abb13e20cafb8c93af99c410b1d32

  • SHA512

    4c189110a4006aa7a1219d6c26d4ce29e11fd1f2cf9e5f30e2930a2c03525a137ddbf5f384f97cb616a63a25106f3521ef95452949d91b4ee54b295fde9a0f58

  • SSDEEP

    12288:tfQqU+oatuR4TWlyxltFknO10rzpVCrIL0XWMZD5Tm73Ddzoa1cfN:FI4uuTW2XFkO1OzpIrM0PZdKLDdEPf

Malware Config

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.CrypterX-gen.7551.3420.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1864-137-0x0000000000000000-mapping.dmp
  • memory/1864-138-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/4664-132-0x00000000003B0000-0x000000000048A000-memory.dmp
    Filesize

    872KB

  • memory/4664-133-0x00000000052A0000-0x0000000005844000-memory.dmp
    Filesize

    5.6MB

  • memory/4664-134-0x0000000004D90000-0x0000000004E22000-memory.dmp
    Filesize

    584KB

  • memory/4664-135-0x0000000004CD0000-0x0000000004CDA000-memory.dmp
    Filesize

    40KB

  • memory/4664-136-0x00000000078C0000-0x000000000795C000-memory.dmp
    Filesize

    624KB