Analysis

  • max time kernel
    45s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:29

General

  • Target

    VSL Q88.exe

  • Size

    17KB

  • MD5

    abb62deff1e4851be179ab55fb65e4a7

  • SHA1

    36d60ff07bcfdbe6c83c69079c954cc655bd9557

  • SHA256

    35a1eb3544b13e48380568cef531dec8473aa229fa4fccc532898b2c514f05ab

  • SHA512

    2e80e80a3c8b3aa4a2a49a8bdc618f464f399e98da68dac4a558282dc237cdd7e4a899969695661af3d462d0c46e211bbd9ae1ee8a55658f724d852cd98b1e6b

  • SSDEEP

    384:eBHyHMiAiIufjm2g6WeLLB3mDTQ8T3Jd:YHyHMi0ufj3H5F3mDF3T

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
    "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • 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:580
    • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
      "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
      2⤵
        PID:972
      • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
        "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
        2⤵
          PID:1672
        • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
          "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1936

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/580-58-0x0000000000000000-mapping.dmp
      • memory/580-62-0x000000006F460000-0x000000006FA0B000-memory.dmp
        Filesize

        5.7MB

      • memory/580-61-0x000000006F460000-0x000000006FA0B000-memory.dmp
        Filesize

        5.7MB

      • memory/580-60-0x000000006F460000-0x000000006FA0B000-memory.dmp
        Filesize

        5.7MB

      • memory/1632-63-0x0000000005290000-0x00000000052D8000-memory.dmp
        Filesize

        288KB

      • memory/1632-57-0x0000000005410000-0x00000000054A2000-memory.dmp
        Filesize

        584KB

      • memory/1632-56-0x00000000059B0000-0x0000000005B12000-memory.dmp
        Filesize

        1.4MB

      • memory/1632-55-0x00000000761F1000-0x00000000761F3000-memory.dmp
        Filesize

        8KB

      • memory/1632-54-0x00000000002E0000-0x00000000002EA000-memory.dmp
        Filesize

        40KB

      • memory/1936-64-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-65-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-67-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-69-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-70-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-71-0x000000000042079E-mapping.dmp
      • memory/1936-73-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/1936-75-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB