Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 09:06

General

  • Target

    BBV.exe

  • Size

    746KB

  • MD5

    ff44cffdcaecb4c6193eb693e237a831

  • SHA1

    c520d27c72614228a1a807c032dd575b84a5ab23

  • SHA256

    038677a185ea0f86acc0ebdc57c493a7062638ea3856d2175e28e3cc28be271f

  • SHA512

    a4d0a2505e53269fe3d01ef119311a77fb3150cbab38911ad2bd762b5733d819c035776fd6ffa7b5f8332bd3d44659f50a761271b70659bfa2d94d91dbb9a9e2

  • SSDEEP

    12288:9iQiKaxnTjFAjWqvvNzbAgchsWCNCWagVgA2knUkbo0ln4v7cmlTJ3gB4grn8kR:IQid/FA1NzUgchRCvSddgoGnG7ZTmmgP

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.

  • 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BBV.exe
    "C:\Users\Admin\AppData\Local\Temp\BBV.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LJbLJCfEB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LJbLJCfEB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2056
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2864
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2732

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9D0.tmp

      Filesize

      1KB

      MD5

      bea8a204ff17554a707a0e4b0ef014ba

      SHA1

      4c8612078621c0560eb7e9af466a5053ac528e92

      SHA256

      e6d52e02ba1c8fec31ae934e57ca52fdb462ac56e3d09c3084215e2849fbe756

      SHA512

      a9e956646e1e10e6ea2ecc34e050fabb9a55ca144375d042d1784fc06cc6825a61bd6bebe2a99d628ae58620c1510dd92e64df849f30ca5b687297202c751119

    • memory/264-26-0x0000000074DA0000-0x000000007548E000-memory.dmp

      Filesize

      6.9MB

    • memory/264-1-0x0000000000360000-0x000000000041C000-memory.dmp

      Filesize

      752KB

    • memory/264-2-0x0000000074DA0000-0x000000007548E000-memory.dmp

      Filesize

      6.9MB

    • memory/264-3-0x0000000000750000-0x0000000000768000-memory.dmp

      Filesize

      96KB

    • memory/264-4-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

      Filesize

      4KB

    • memory/264-5-0x0000000074DA0000-0x000000007548E000-memory.dmp

      Filesize

      6.9MB

    • memory/264-6-0x0000000005070000-0x00000000050FE000-memory.dmp

      Filesize

      568KB

    • memory/264-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

      Filesize

      4KB

    • memory/2732-14-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-24-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-23-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2732-20-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-18-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2732-16-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB