Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03/09/2024, 13:21

General

  • Target

    Orden de Compra No. 00501.pdf.exe

  • Size

    975KB

  • MD5

    39e45813ed5b3bf1cfcbd15eaef2a659

  • SHA1

    19419b57bdbc067ee17e529806056d33b6afcdaa

  • SHA256

    1eb7e326b392cf046d3be4a48d43596bf53eea217fd2c75adf16c85504ffd2aa

  • SHA512

    2f8d98155c411a64a92dd53034dbd8b69affdf76ed2e4a6f0138e09735f50c4e59bd20082e5bb469e7783a7d091cc36cba73c67e2491ec3b8b22489a9008c732

  • SSDEEP

    24576:FAHnh+eWsN3skA4RV1Hom2KXMmHaAjUcw44w5:0h+ZkldoPK8YaAjnT

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.

  • 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
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden de Compra No. 00501.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de Compra No. 00501.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Orden de Compra No. 00501.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 1068
        3⤵
        • Program crash
        PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2516-11-0x00000000001F0000-0x00000000001F4000-memory.dmp

    Filesize

    16KB

  • memory/2724-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-17-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

    Filesize

    4KB

  • memory/2724-18-0x0000000073E90000-0x000000007457E000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-19-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

    Filesize

    4KB

  • memory/2724-20-0x0000000073E90000-0x000000007457E000-memory.dmp

    Filesize

    6.9MB