Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/12/2023, 16:20

General

  • Target
    e909471f2bf7157b1335d0b64538a83b.exe
  • Size 574KB
  • Sample231228-tthkjsdham
  • SHA256 066ac142f91210ed2fe55e8e7e2b06427c6929c2321205be76b87aa586d263a7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • vidar

Version
  • 39.8

Botnet
  • 706

C2
  • https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    706

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e909471f2bf7157b1335d0b64538a83b.exe
    "C:\Users\Admin\AppData\Local\Temp\e909471f2bf7157b1335d0b64538a83b.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 888
      2⤵
      • Program crash
      PID:2032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Cab8613.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab8613.tmp
        • Size 65KB
        • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
        • MD5 SHA1 SHA512 SSDEEP

        Tar8645.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar8645.tmp
        • Size 171KB
        • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
        • MD5 SHA1 SHA512 SSDEEP

        memory/2288-1-0x0000000000660000-0x0000000000760000-memory.dmp

        memory/2288-2-0x0000000000230000-0x00000000002CD000-memory.dmp

        memory/2288-3-0x0000000000400000-0x0000000000513000-memory.dmp

        memory/2288-4-0x0000000000400000-0x0000000000513000-memory.dmp

        memory/2288-59-0x0000000000660000-0x0000000000760000-memory.dmp

        memory/2288-60-0x0000000000230000-0x00000000002CD000-memory.dmp