Analysis

  • max time kernel
    143s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 02:11

General

  • Target
    a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe
  • Size 697KB
  • Sample241017-cmb1raxanb
  • SHA256 a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe
    "C:\Users\Admin\AppData\Local\Temp\a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Users\Admin\AppData\Local\Temp\a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe
      "C:\Users\Admin\AppData\Local\Temp\a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.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:4640

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a8281f10a65d2066e0bb4d9089efbc567dedec223e6b77303223da17af9021dd.exe.log
        • Size 1KB
        • SHA256 8389118a63be5919309b12a91b0d3335be3d1a193cbe13a67a48bbbbe4a2fcdd
        • MD5 SHA1 SHA512

        memory/4188-10-0x0000000006AC0000-0x0000000006AD2000-memory.dmp

        memory/4188-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

        memory/4188-3-0x00000000051B0000-0x0000000005242000-memory.dmp

        memory/4188-4-0x00000000053A0000-0x000000000544A000-memory.dmp

        memory/4188-5-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4188-6-0x0000000005C70000-0x0000000005FC4000-memory.dmp

        memory/4188-7-0x0000000005660000-0x000000000566A000-memory.dmp

        memory/4188-8-0x00000000743FE000-0x00000000743FF000-memory.dmp

        memory/4188-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

        memory/4188-9-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4188-17-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4188-12-0x000000000AD60000-0x000000000ADFC000-memory.dmp

        memory/4188-11-0x0000000008570000-0x00000000085FC000-memory.dmp

        memory/4188-1-0x0000000000800000-0x00000000008B4000-memory.dmp

        memory/4640-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4640-13-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/4640-18-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4640-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

        memory/4640-20-0x0000000006920000-0x0000000006AE2000-memory.dmp

        memory/4640-21-0x00000000067C0000-0x0000000006810000-memory.dmp