Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 08:47

General

  • Target

    sr01fduyUJe6O2V.exe

  • Size

    858KB

  • MD5

    d237ebe34f35a9ffe99f5efe0474c1e2

  • SHA1

    573c4774a52cc9ebc7e7408f944ac7f3a27d2fb1

  • SHA256

    ebf5271d5f3a9a052cd487e949d80ca43d84bb108dd0cf0c773f2139a57c6137

  • SHA512

    9393d9605d72382f7dc154e0dfc7aacd7f0f740c0c3ec7fc3e94a366111edbbb1ca2f64b85cd9f12bd7bccad25d74ed16cff19162b44b95127e61ccc227b9f05

  • SSDEEP

    12288:ITvsX+yIRHTkJkgD4QhcmO43HW38kyzGFfh4hqurvn1AXVDaqU7od:EvsXYhikwthzO0238BzGFJ4o69UVaqj

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.

  • 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 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\sr01fduyUJe6O2V.exe
    "C:\Users\Admin\AppData\Local\Temp\sr01fduyUJe6O2V.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1684
    • 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\sr01fduyUJe6O2V.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Users\Admin\AppData\Local\Temp\sr01fduyUJe6O2V.exe
      "C:\Users\Admin\AppData\Local\Temp\sr01fduyUJe6O2V.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:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1684-20-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-1-0x00000000008D0000-0x00000000009AC000-memory.dmp

    Filesize

    880KB

  • memory/1684-2-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-3-0x00000000005B0000-0x00000000005CE000-memory.dmp

    Filesize

    120KB

  • memory/1684-4-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/1684-5-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-6-0x00000000001C0000-0x000000000024A000-memory.dmp

    Filesize

    552KB

  • memory/1684-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2684-21-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-25-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2684-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-19-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2684-24-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2684-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB