Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2024 16:14

General

  • Target

    file.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 5 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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3044
    • 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:1824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BtnoWSiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • 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:2736
      • 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:1748
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp

    Filesize

    1KB

    MD5

    7981b8e59ec75386de864ebf7982f61a

    SHA1

    52ab67c414292033cc44905f2ac8a7dc0337e35c

    SHA256

    16d436504dfdef0cd5f3b7ff1966c12303d53a4fc292de8a25d1a43582f6c1b0

    SHA512

    b2d4c2f958548a487703a6cc65d127142319cdd48571ab0335226b217e5679e235237de9c6348467be0a3b81b58dad0f5c56f7be749d495c4c1b837ed421dc76

  • memory/2736-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2736-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3044-6-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-5-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/3044-1-0x0000000001310000-0x0000000001422000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-0-0x000000007403E000-0x000000007403F000-memory.dmp

    Filesize

    4KB

  • memory/3044-3-0x0000000004FB0000-0x0000000005060000-memory.dmp

    Filesize

    704KB

  • memory/3044-7-0x0000000000A50000-0x0000000000AB8000-memory.dmp

    Filesize

    416KB

  • memory/3044-2-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-4-0x00000000005F0000-0x000000000060C000-memory.dmp

    Filesize

    112KB

  • memory/3044-27-0x0000000074030000-0x000000007471E000-memory.dmp

    Filesize

    6.9MB