Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2025, 15:41

General

  • Target

    Num_24-2583_proforma_Invoice_Document_pdf.exe

  • Size

    994KB

  • MD5

    0d2c8d3b909700b869d842880383d08f

  • SHA1

    9501835ca85d7479202b98d18b8dc7b765431ab5

  • SHA256

    12e0b7500435994f25d66b3a1cba2c92735c6dc51c2b9a9e3dbc78c11b3d2ff7

  • SHA512

    685c002e05b2c6136507d0d1e0dd7792be5c16423817a64a907c368225607710ad1869f3543c24809612460b640199d6764b7855fd82b4a85971dfd77e35ed96

  • SSDEEP

    24576:Vu6J33O0c+JY5UZ+XC0kGso6Fad+E28lrF5lPWY:3u0c++OCvkGs9Fad+EZrF54Y

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.

  • Vipkeylogger family
  • 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.

  • 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 2 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\Num_24-2583_proforma_Invoice_Document_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_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:3544
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Num_24-2583_proforma_Invoice_Document_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:3088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 704
      2⤵
      • Program crash
      PID:6108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3544 -ip 3544
    1⤵
      PID:5976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3088-7-0x0000000000190000-0x00000000001D8000-memory.dmp

      Filesize

      288KB

    • memory/3088-8-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

      Filesize

      4KB

    • memory/3088-9-0x0000000005170000-0x0000000005714000-memory.dmp

      Filesize

      5.6MB

    • memory/3088-10-0x0000000004BC0000-0x0000000004C5C000-memory.dmp

      Filesize

      624KB

    • memory/3088-11-0x0000000073CF0000-0x00000000744A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-12-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

      Filesize

      4KB

    • memory/3088-13-0x0000000073CF0000-0x00000000744A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-14-0x0000000005E40000-0x0000000006002000-memory.dmp

      Filesize

      1.8MB

    • memory/3088-15-0x0000000005CE0000-0x0000000005D30000-memory.dmp

      Filesize

      320KB

    • memory/3088-16-0x0000000006110000-0x00000000061A2000-memory.dmp

      Filesize

      584KB

    • memory/3088-17-0x0000000005E30000-0x0000000005E3A000-memory.dmp

      Filesize

      40KB

    • memory/3544-6-0x0000000001680000-0x0000000001A80000-memory.dmp

      Filesize

      4.0MB