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Analysis

  • max time kernel
    84s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 15:42

General

  • Target

    ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe

  • Size

    5.4MB

  • MD5

    021d0c04cb4de2638dbd89de7625f9b7

  • SHA1

    054945dca5b06ea8cdb7f00571084d406a3ff95c

  • SHA256

    ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913

  • SHA512

    d20da669fc476ff5ba15fcb4e57d620b2b1769406c653abd647eeb67cf77d3dce087c97789a175de47dd15bdce72c5ea8d1e0df58939854c1b21ff5ad66a4357

  • SSDEEP

    98304:igaE6aTO7kajvPkgKBS58lw6CN5HY0qxG1drEqNXn6NyjeftKFPksryk:i0XTPK5B+cN1Y0qxMdRNXnXCtK7ek

Malware Config

Extracted

Family

vidar

Version

11

Botnet

0076b6a02eb028dde461f6494f955b49

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 7 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
    "C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1384
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:2248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2248-3-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-8-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-6-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-27-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-28-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-29-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2248-55-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2248-56-0x0000000000400000-0x0000000000B77000-memory.dmp

      Filesize

      7.5MB

    • memory/2324-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2324-1-0x00000000004A0000-0x0000000000A0A000-memory.dmp

      Filesize

      5.4MB

    • memory/2324-11-0x0000000074A10000-0x00000000751C0000-memory.dmp

      Filesize

      7.7MB