Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 13:07

General

  • Target

    PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe

  • Size

    773KB

  • MD5

    4b393b41e5b7bdd02e481816bec9ff4a

  • SHA1

    35b60bdfa5130cc88b508f4fee9c226a2277517b

  • SHA256

    b71fb82589e3532a9390352bc87f7c2edc2cd7fae723fe203500350a31559e17

  • SHA512

    28ae160172d1d13a8b56dac51dd38f44c1cbf2c4755300d34adfc5c5638ee2375bc7cf8b29e8173933f0f3e672cd2e8e8469fa341e3356a0c7e34153e08ac0e3

  • SSDEEP

    12288:ipdY9shQgZCnoCKpJTH7uag0rQ8Vt7W68RNkBXKU5YYyTAo187Ce6m05/W:WdhlyzKrHSaVrQ8i6UkxKVaSR7m05/

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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2148
    • 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\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-1124-0018- TTR-ASP1 .. 20 adet 0191621.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:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2148-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-1-0x0000000000DE0000-0x0000000000EA8000-memory.dmp

    Filesize

    800KB

  • memory/2148-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-3-0x0000000000600000-0x000000000061E000-memory.dmp

    Filesize

    120KB

  • memory/2148-4-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2148-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-6-0x0000000005210000-0x000000000529E000-memory.dmp

    Filesize

    568KB

  • memory/2148-7-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2148-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2920-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2920-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2920-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB