Analysis

  • max time kernel
    240s
  • max time network
    247s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 09:44

General

  • Target

    RFQ#JST20251120.exe

  • Size

    816KB

  • MD5

    7d13669439d81a62e1b75ff99ef05a3a

  • SHA1

    1dd313870e4b4e975e947eb940ba4276077c690b

  • SHA256

    09b07535f70e781223029114e4b7ac0b8d80fe63fa60c9196a43b002c099342d

  • SHA512

    463989f04237f7a4641777c1f6a8de1d74af447bda4e8eca9730282a42679bed59619f2bd284aff92dd5ff613b1ee997132917dd1b39850de6ee5e4ac53bfc9a

  • SSDEEP

    12288:3KOlbxrEU0IO8DfP0fn2ggdFa7SwtKzqqp28VOrL2+QZTWygTZMLA9B8ZDg6pml:6U/fPaOa7SE18289kvTSEl

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6172680371:AAGdna-xIKVG_ha6EKkcDxhJez2KjVhI3Pc/sendMessage?chat_id=7427804146

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 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 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\RFQ#JST20251120.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1084
    • 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\RFQ#JST20251120.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ#JST20251120.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:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1084-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/1084-1-0x0000000000A10000-0x0000000000AE2000-memory.dmp

    Filesize

    840KB

  • memory/1084-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1084-3-0x00000000005F0000-0x0000000000616000-memory.dmp

    Filesize

    152KB

  • memory/1084-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/1084-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1084-6-0x00000000061E0000-0x000000000626E000-memory.dmp

    Filesize

    568KB

  • memory/1084-19-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-13-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3024-15-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-10-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-18-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-8-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3024-22-0x00000000744E0000-0x0000000074BCE000-memory.dmp

    Filesize

    6.9MB