Analysis

  • max time kernel
    117s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 20:17

General

  • Target

    start.exe

  • Size

    384KB

  • MD5

    3318168ae9a79bebdbca98281974ea70

  • SHA1

    a1c84b04cd756628f955abd4dec707d946d9a84f

  • SHA256

    5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706

  • SHA512

    ae3e42d079055d75f4c1dc8afe9c994e9d42fbd1e34eb51976f7a8b74895eebd04411649c7661f59286967f2a72e730f8bd2efb670c30335622250dcdd45de61

  • SSDEEP

    6144:kmQ5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:kmQaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

http://167.235.150.8:80

Attributes
  • profile_id

    1375

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\start.exe
    "C:\Users\Admin\AppData\Local\Temp\start.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 100
      2⤵
      • Program crash
      PID:792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab192E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1950.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2096-1-0x0000000000210000-0x0000000000310000-memory.dmp

    Filesize

    1024KB

  • memory/2148-10-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2148-3-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2148-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2148-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB