Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2025 03:15

General

  • Target

    b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe

  • Size

    776KB

  • MD5

    63e8201de5c2dd6ae511ef05137cec09

  • SHA1

    b80b8f6220ea23f0ecc549d2c14c621779bf0641

  • SHA256

    b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46

  • SHA512

    aa1f92f89264a4278b904422ae29cca5f1832678879bb37273a906f4d4517d47aceca2922d6e2abaacac5dcda8b51ec9c38bd28f66e98e3a26f0f4e5a848e2a1

  • SSDEEP

    24576:8kUKu306jr2wcjWKLafXP5NqekRCtYhM:89tILaaekRp

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger 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.

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe
    "C:\Users\Admin\AppData\Local\Temp\b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Users\Admin\AppData\Local\Temp\b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe
      "C:\Users\Admin\AppData\Local\Temp\b371f30f8a988c595f16418783ce61a2c5ca92cd94e76f9923f0b41b06d10c46.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2120-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-28-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-25-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2120-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-13-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2120-22-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-4-0x000000007428E000-0x000000007428F000-memory.dmp

    Filesize

    4KB

  • memory/2196-23-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-6-0x0000000000390000-0x000000000041E000-memory.dmp

    Filesize

    568KB

  • memory/2196-5-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-0-0x000000007428E000-0x000000007428F000-memory.dmp

    Filesize

    4KB

  • memory/2196-3-0x0000000000C80000-0x0000000000C9E000-memory.dmp

    Filesize

    120KB

  • memory/2196-2-0x0000000074280000-0x000000007496E000-memory.dmp

    Filesize

    6.9MB

  • memory/2196-1-0x0000000001220000-0x00000000012E8000-memory.dmp

    Filesize

    800KB