Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 05:51

General

  • Target

    c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe

  • Size

    679KB

  • MD5

    1edf5823d724ea8da51a635e8cba968c

  • SHA1

    368fd1f557e1ebec00d0ae97b6c86be091f95e19

  • SHA256

    c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155

  • SHA512

    393b896efe7ab9debfcc9c774a766db1a304d58fc6fe74a09a7d36c495a4aeaefc4072244886f88a65737141bfc7def98ae4e2f0eff89d1ed48e41aac8b3b91f

  • SSDEEP

    12288:YGPg/s0yuAt682LufMeJidMx6U0/OQEGzhy6KL2FJKU/InxCQYHoXTZ:CrA8mfMeJidMAUEOQEGlKonYxJYHC

Malware Config

Extracted

Family

vipkeylogger

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 1 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
    "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • 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\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
      "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
      2⤵
        PID:2832
      • C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe
        "C:\Users\Admin\AppData\Local\Temp\c169a73ca29094fb2cb53c32f7cddf5fb633494a8e498ef9abb0057a19293155.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2480-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2480-1-0x0000000000B30000-0x0000000000BDE000-memory.dmp

      Filesize

      696KB

    • memory/2480-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2480-3-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2480-4-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2480-5-0x0000000000330000-0x0000000000342000-memory.dmp

      Filesize

      72KB

    • memory/2480-6-0x0000000005CF0000-0x0000000005D7E000-memory.dmp

      Filesize

      568KB

    • memory/2480-23-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2828-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2828-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-22-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2828-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2828-26-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB