Analysis

  • max time kernel
    90s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2023, 08:19

General

  • Target

    BL Draft Copy.exe

  • Size

    863KB

  • MD5

    5f76ec4261e9ee6104cadf963e1fdefe

  • SHA1

    4bd2b0895e37e92d70f5ae463aafbc7e912cb07a

  • SHA256

    41ec6096bbedc3527a97d8a427988cd2885bb23eebefbe17c563a1e5aff52586

  • SHA512

    15770c50185e4594f64a2cc16b641093a347845ce68d701b65d3981967ba3f4a797656bcc7d4382d17d358be61dbe53833dfd1e8680af7195768c8e4479324a7

  • SSDEEP

    24576:76AnFoJiY3TZ5ae0lVw+BBUWxn48qKoe:7dFW8e0ggBUg9qKoe

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    kiamotors-khyber.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Bno-MD&$40Kjy(Yd

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4584
    • 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:3816
    • C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\BL Draft Copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4284

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3816-144-0x00000000069E0000-0x00000000069FA000-memory.dmp

          Filesize

          104KB

        • memory/3816-141-0x0000000005E00000-0x0000000005E66000-memory.dmp

          Filesize

          408KB

        • memory/3816-143-0x0000000007B70000-0x00000000081EA000-memory.dmp

          Filesize

          6.5MB

        • memory/3816-140-0x00000000055D0000-0x0000000005636000-memory.dmp

          Filesize

          408KB

        • memory/3816-142-0x0000000006500000-0x000000000651E000-memory.dmp

          Filesize

          120KB

        • memory/3816-138-0x0000000002F40000-0x0000000002F76000-memory.dmp

          Filesize

          216KB

        • memory/3816-139-0x0000000005660000-0x0000000005C88000-memory.dmp

          Filesize

          6.2MB

        • memory/4284-146-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/4284-147-0x0000000005980000-0x0000000005A1C000-memory.dmp

          Filesize

          624KB

        • memory/4284-148-0x0000000006D90000-0x0000000006F52000-memory.dmp

          Filesize

          1.8MB

        • memory/4584-133-0x0000000005D50000-0x00000000062F4000-memory.dmp

          Filesize

          5.6MB

        • memory/4584-136-0x0000000007DE0000-0x0000000007E02000-memory.dmp

          Filesize

          136KB

        • memory/4584-135-0x00000000056C0000-0x00000000056CA000-memory.dmp

          Filesize

          40KB

        • memory/4584-134-0x00000000056E0000-0x0000000005772000-memory.dmp

          Filesize

          584KB

        • memory/4584-132-0x0000000000C50000-0x0000000000D2E000-memory.dmp

          Filesize

          888KB