Analysis

  • max time kernel
    105s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 2 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 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 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:3520
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Orden de Compra No. 00501.pdf.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:1872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 736
      2⤵
      • Program crash
      PID:3172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3520 -ip 3520
    1⤵
      PID:1444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1872-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1872-13-0x000000007403E000-0x000000007403F000-memory.dmp

      Filesize

      4KB

    • memory/1872-14-0x0000000005600000-0x0000000005BA4000-memory.dmp

      Filesize

      5.6MB

    • memory/1872-15-0x00000000050F0000-0x000000000518C000-memory.dmp

      Filesize

      624KB

    • memory/1872-16-0x0000000074030000-0x00000000747E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1872-17-0x000000007403E000-0x000000007403F000-memory.dmp

      Filesize

      4KB

    • memory/1872-18-0x0000000006400000-0x00000000065C2000-memory.dmp

      Filesize

      1.8MB

    • memory/1872-19-0x00000000062A0000-0x00000000062F0000-memory.dmp

      Filesize

      320KB

    • memory/1872-20-0x0000000074030000-0x00000000747E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1872-21-0x00000000065D0000-0x0000000006662000-memory.dmp

      Filesize

      584KB

    • memory/1872-22-0x00000000063C0000-0x00000000063CA000-memory.dmp

      Filesize

      40KB

    • memory/3520-11-0x00000000036A0000-0x00000000036A4000-memory.dmp

      Filesize

      16KB