Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 03:25

General

  • Target

    b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe

  • Size

    1.1MB

  • MD5

    011f3bebde38bdac8ceaebfbff201f4a

  • SHA1

    bb5769d029c5f202e823e038aab2aae454cf0299

  • SHA256

    b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2

  • SHA512

    161838d1df3f6b7d7c2d61f98fc5fc55a30281e24433a5fc49a52aad0182bd5c5d581ba294c2a96878d93dc8536499d79a08f8aac879dc0eb5bee7f46b429cdf

  • SSDEEP

    12288:a93TVasGFa3nj6mYdrlXeohkdm8odEH8o4+AJDYv+6c0xlskR:a9l53jVYRXebsf19DEJ/

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7971510363:AAH477ofdLYaboEb0PeeyOtbxApvVZT953M/sendMessage?chat_id=7405587880

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe
    "C:\Users\Admin\AppData\Local\Temp\b6ad170d197d557e308b9356d0f87653eb463cf74a48cbb50ce74c7260c315c2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BtnoWSiF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4868
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtnoWSiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3EC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:4008
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3240
        • 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\vbc.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:984
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tiobeews.mei.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpC3EC.tmp

      Filesize

      1KB

      MD5

      98b5c149ec4af51db01407d2a13241bc

      SHA1

      5582b519d5e8bd305230dbf544b0f81039fe6c46

      SHA256

      dcef40763eba1f0d313fd66d3f1f082ed5b452d078f9757cc0fd8622133eaf97

      SHA512

      7c32717697231281f3cb43ad54802d69c18acc05d9a9aaebc5d411258f7d7fb9fcd5c1d1021cbda773c62798215a20dfa8e401d2b328b2e499deecd9f5bb418f

    • memory/3240-33-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4588-10-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

      Filesize

      5.6MB

    • memory/4588-5-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-6-0x00000000053C0000-0x000000000545C000-memory.dmp

      Filesize

      624KB

    • memory/4588-7-0x0000000006A20000-0x0000000006AD0000-memory.dmp

      Filesize

      704KB

    • memory/4588-8-0x00000000052A0000-0x00000000052BC000-memory.dmp

      Filesize

      112KB

    • memory/4588-9-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/4588-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/4588-37-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-4-0x0000000005150000-0x000000000515A000-memory.dmp

      Filesize

      40KB

    • memory/4588-3-0x00000000050A0000-0x0000000005132000-memory.dmp

      Filesize

      584KB

    • memory/4588-11-0x0000000002A30000-0x0000000002A98000-memory.dmp

      Filesize

      416KB

    • memory/4588-1-0x00000000005B0000-0x00000000006C2000-memory.dmp

      Filesize

      1.1MB

    • memory/4868-62-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

      Filesize

      32KB

    • memory/4868-52-0x0000000006F40000-0x0000000006F5E000-memory.dmp

      Filesize

      120KB

    • memory/4868-34-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-35-0x0000000006350000-0x00000000066A4000-memory.dmp

      Filesize

      3.3MB

    • memory/4868-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-19-0x0000000005A30000-0x0000000006058000-memory.dmp

      Filesize

      6.2MB

    • memory/4868-16-0x0000000005380000-0x00000000053B6000-memory.dmp

      Filesize

      216KB

    • memory/4868-42-0x0000000070FB0000-0x0000000070FFC000-memory.dmp

      Filesize

      304KB

    • memory/4868-21-0x00000000061D0000-0x00000000061F2000-memory.dmp

      Filesize

      136KB

    • memory/4868-38-0x0000000006960000-0x000000000697E000-memory.dmp

      Filesize

      120KB

    • memory/4868-39-0x0000000006EC0000-0x0000000006F0C000-memory.dmp

      Filesize

      304KB

    • memory/4868-41-0x0000000007910000-0x0000000007942000-memory.dmp

      Filesize

      200KB

    • memory/4868-22-0x0000000006270000-0x00000000062D6000-memory.dmp

      Filesize

      408KB

    • memory/4868-20-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4868-53-0x0000000007B70000-0x0000000007C13000-memory.dmp

      Filesize

      652KB

    • memory/4868-54-0x00000000082C0000-0x000000000893A000-memory.dmp

      Filesize

      6.5MB

    • memory/4868-55-0x0000000007C80000-0x0000000007C9A000-memory.dmp

      Filesize

      104KB

    • memory/4868-56-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

      Filesize

      40KB

    • memory/4868-57-0x0000000007F00000-0x0000000007F96000-memory.dmp

      Filesize

      600KB

    • memory/4868-58-0x0000000007E80000-0x0000000007E91000-memory.dmp

      Filesize

      68KB

    • memory/4868-59-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

      Filesize

      56KB

    • memory/4868-60-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

      Filesize

      80KB

    • memory/4868-61-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

      Filesize

      104KB

    • memory/4868-23-0x00000000062E0000-0x0000000006346000-memory.dmp

      Filesize

      408KB

    • memory/4868-65-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB