Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 10:59

General

  • Target

    cbe61e9038fcec33f02c0821aec4fd71.exe

  • Size

    864KB

  • MD5

    cbe61e9038fcec33f02c0821aec4fd71

  • SHA1

    4c17ce6e305342df5becf4c17179c02c69944adf

  • SHA256

    0286690ba3e9b859e9fd52d6344d65a00987556394a224da17cfc5fb3a87c3ad

  • SHA512

    8f8f967d194a72d294d81b1efae61c68e9d216333fc8065c91fca73a6158996e8e505436c101b78e4c2753043ac8426f0325117ebbb3c7d97577d80d4003bfe7

  • SSDEEP

    12288:jL3rQQJFkHuUbhRJ9GJBrlK3LytLtksIcF3RZJs7w4grdxUQGlqssDMRlY3:LQgFYu4b4tecptslIdx8qssUY

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
    "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1320
    • 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\cbe61e9038fcec33f02c0821aec4fd71.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
      "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe"
      2⤵
        PID:2664
      • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
        "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.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:2580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1320-25-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1320-1-0x0000000000D20000-0x0000000000DFC000-memory.dmp

      Filesize

      880KB

    • memory/1320-2-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1320-3-0x0000000004E50000-0x0000000004F24000-memory.dmp

      Filesize

      848KB

    • memory/1320-4-0x0000000000670000-0x000000000068C000-memory.dmp

      Filesize

      112KB

    • memory/1320-5-0x000000007497E000-0x000000007497F000-memory.dmp

      Filesize

      4KB

    • memory/1320-6-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/1320-7-0x00000000003B0000-0x000000000043C000-memory.dmp

      Filesize

      560KB

    • memory/1320-0-0x000000007497E000-0x000000007497F000-memory.dmp

      Filesize

      4KB

    • memory/2580-8-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2580-14-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-10-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-20-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-24-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-23-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB

    • memory/2580-18-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2580-28-0x0000000074970000-0x000000007505E000-memory.dmp

      Filesize

      6.9MB