Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 18:10

General

  • Target

    comprobantesdepago.exe

  • Size

    77.0MB

  • MD5

    08a6ef433d71fa3d8c12a49c90536e07

  • SHA1

    36fb6637e9ca8086c55d9cf919bdd2dae3eb378d

  • SHA256

    f6bc77a19dc8441e0c2a35dc81b89ac19c618acb4d45fa32754110ed30c61a79

  • SHA512

    97f3914af07cc480f475bf38c06790dc015954da9d8d86cfbe4ccbe18e641a85eb4d4a9ebb60420be298c6790bd3592586c087e18b55bf8e4cea816e966a56b4

  • SSDEEP

    24576:utb20pkaCqT5TBWgNQ7aGnuRUc1g0Zo/h/G86A:bVg5tQ7aGnuRA06h/35

Malware Config

Extracted

Family

vipkeylogger

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 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\comprobantesdepago.exe
    "C:\Users\Admin\AppData\Local\Temp\comprobantesdepago.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:2428
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\comprobantesdepago.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:3892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 712
      2⤵
      • Program crash
      PID:116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2428 -ip 2428
    1⤵
      PID:1272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2428-6-0x0000000001010000-0x0000000001410000-memory.dmp

      Filesize

      4.0MB

    • memory/3892-7-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3892-8-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3892-9-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3892-10-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3892-11-0x00000000740BE000-0x00000000740BF000-memory.dmp

      Filesize

      4KB

    • memory/3892-12-0x0000000005940000-0x000000000598E000-memory.dmp

      Filesize

      312KB

    • memory/3892-13-0x00000000061B0000-0x0000000006754000-memory.dmp

      Filesize

      5.6MB

    • memory/3892-14-0x0000000005C00000-0x0000000005C4E000-memory.dmp

      Filesize

      312KB

    • memory/3892-15-0x0000000005CF0000-0x0000000005D8C000-memory.dmp

      Filesize

      624KB

    • memory/3892-16-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/3892-17-0x00000000740BE000-0x00000000740BF000-memory.dmp

      Filesize

      4KB

    • memory/3892-18-0x0000000007030000-0x00000000071F2000-memory.dmp

      Filesize

      1.8MB

    • memory/3892-19-0x0000000006ED0000-0x0000000006F20000-memory.dmp

      Filesize

      320KB

    • memory/3892-20-0x0000000007200000-0x0000000007292000-memory.dmp

      Filesize

      584KB

    • memory/3892-21-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

      Filesize

      40KB