Analysis

  • max time kernel
    66s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22/09/2021, 14:09

General

  • Target
    PO No. SMC -458964-005.exe
  • Size 669KB
  • Sample210922-rf5rtafear
  • SHA256 a9c0a0e296cab2dd6ee4d165e9992cf27b2919caef0fd4f0f04bf9df084f2048
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    mail.sacauto.co.za

  • Port

    587

  • Password

    #R0797967613

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Looks up external IP address via web service 3 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO No. SMC -458964-005.exe
    "C:\Users\Admin\AppData\Local\Temp\PO No. SMC -458964-005.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkEUXeqhuuaI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6519.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2860
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3736
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3356

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/664-114-0x0000000000850000-0x0000000000851000-memory.dmp

          memory/664-116-0x0000000005810000-0x0000000005811000-memory.dmp

          memory/664-117-0x0000000005260000-0x0000000005261000-memory.dmp

          memory/664-118-0x00000000053C0000-0x00000000053C1000-memory.dmp

          memory/664-119-0x00000000051C0000-0x0000000005252000-memory.dmp

          memory/664-120-0x0000000005D10000-0x0000000005D11000-memory.dmp

          memory/664-121-0x00000000056F0000-0x00000000056F1000-memory.dmp

          memory/664-122-0x00000000057D0000-0x00000000057ED000-memory.dmp

          memory/664-123-0x0000000007F60000-0x0000000007F61000-memory.dmp

          memory/664-124-0x0000000008190000-0x00000000081EA000-memory.dmp

          memory/664-125-0x0000000008200000-0x0000000008231000-memory.dmp

          memory/3356-127-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/3356-133-0x0000000005840000-0x0000000005D3E000-memory.dmp

          memory/3356-134-0x0000000006810000-0x0000000006811000-memory.dmp