Analysis

  • max time kernel
    86s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2023, 07:58

General

  • Target
    fd45b5dda04e2273e59f4a5a2c1ee398.exe
  • Size 291KB
  • Sample230228-jttygaac44
  • SHA256 86aab438cacf92cb5f7f5d2fb06541e9047191b52e72066280ea230d7e707e9b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd45b5dda04e2273e59f4a5a2c1ee398.exe
    "C:\Users\Admin\AppData\Local\Temp\fd45b5dda04e2273e59f4a5a2c1ee398.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:656
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
        PID:1908
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        2⤵
          PID:1620
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:3372

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_h4lsywe2.1ri.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h4lsywe2.1ri.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            memory/656-154-0x0000000006700000-0x000000000671A000-memory.dmp

            memory/656-156-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/656-136-0x0000000004C50000-0x0000000004C86000-memory.dmp

            memory/656-137-0x00000000053D0000-0x00000000059F8000-memory.dmp

            memory/656-138-0x0000000005B00000-0x0000000005B66000-memory.dmp

            memory/656-139-0x0000000005BB0000-0x0000000005C16000-memory.dmp

            memory/656-158-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/656-149-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/656-150-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/656-151-0x0000000006240000-0x000000000625E000-memory.dmp

            memory/656-152-0x0000000007A90000-0x000000000810A000-memory.dmp

            memory/656-157-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/656-153-0x0000000004D90000-0x0000000004DA0000-memory.dmp

            memory/3372-168-0x00000000063E0000-0x00000000065A2000-memory.dmp

            memory/3372-163-0x0000000000400000-0x0000000000426000-memory.dmp

            memory/3372-165-0x0000000005950000-0x0000000005EF4000-memory.dmp

            memory/3372-166-0x00000000053A0000-0x000000000543C000-memory.dmp

            memory/3372-167-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/3372-169-0x00000000065B0000-0x0000000006642000-memory.dmp

            memory/3372-170-0x0000000006360000-0x000000000636A000-memory.dmp

            memory/3372-171-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/3784-135-0x0000000006110000-0x0000000006132000-memory.dmp

            memory/3784-133-0x0000000000430000-0x000000000047E000-memory.dmp

            memory/3784-134-0x0000000004E20000-0x0000000004E30000-memory.dmp

            memory/3784-155-0x0000000004E20000-0x0000000004E30000-memory.dmp