Analysis

  • max time kernel
    48s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 23:45

General

  • Target

    Nuevo pedido de cotización 7383783 738238.pdf.exe

  • Size

    1.0MB

  • MD5

    a3d99bcf752d0b63fa8d5515a4765777

  • SHA1

    cea1bb29d2d34f8c46fa6c9c645cc9753d5a918e

  • SHA256

    e71789b9c70a2b9bbe541baf50d4e222be0d1b1cc2b38be925c01d9169158bf5

  • SHA512

    f7e00d50005777373d65b9065bab7cd43ae3160554165e71c2db7bf901c34eb0608cd854e35e3159d48f698470db9a58e828aa6b4c2fa79c41149fc8030cdfe9

  • SSDEEP

    24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8aT7LCjhY:nTvC/MTQYxsWR7aT7mF

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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nuevo pedido de cotización 7383783 738238.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido de cotización 7383783 738238.pdf.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\translucently\enterogenous.exe
      "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido de cotización 7383783 738238.pdf.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\Nuevo pedido de cotización 7383783 738238.pdf.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\eupolyzoan

    Filesize

    271KB

    MD5

    17465d740d45d87ab68ea46c2608616d

    SHA1

    fb8a1a604bc45167f301092f9d47ce614b713e5f

    SHA256

    14e9e8d56d8ef9b6944eb18f0c7fd8679743e0868f532104e08cb4e920a4dd5a

    SHA512

    5a8d719d61ff4dd777c0c770ac51ad43cf9d25b01a71d0b4e237333333bd99fe84d0d8fb6417c078afa1a3dac4afdbce9b0ed46da5f12c1205bcfc0a0fba494d

  • C:\Users\Admin\AppData\Local\translucently\enterogenous.exe

    Filesize

    1.0MB

    MD5

    a3d99bcf752d0b63fa8d5515a4765777

    SHA1

    cea1bb29d2d34f8c46fa6c9c645cc9753d5a918e

    SHA256

    e71789b9c70a2b9bbe541baf50d4e222be0d1b1cc2b38be925c01d9169158bf5

    SHA512

    f7e00d50005777373d65b9065bab7cd43ae3160554165e71c2db7bf901c34eb0608cd854e35e3159d48f698470db9a58e828aa6b4c2fa79c41149fc8030cdfe9

  • memory/848-6-0x0000000000C10000-0x0000000001010000-memory.dmp

    Filesize

    4.0MB

  • memory/2416-22-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2416-26-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2416-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2416-27-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/2416-28-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2416-29-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/2416-30-0x00000000746E0000-0x0000000074DCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2456-20-0x00000000009B0000-0x0000000000DB0000-memory.dmp

    Filesize

    4.0MB