Analysis

  • max time kernel
    253s
  • max time network
    263s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2023 20:30

General

  • Target

    LDPLayer.exe

  • Size

    1106.4MB

  • MD5

    9e9acd3fed40e009b48db9db81ca26b8

  • SHA1

    80d89d18dae1f268108686e00f1e8dcd536d23b8

  • SHA256

    df5b8c7f9f471370bd28dfe436d923c9fff5ec7eb0916cc4eb05cab69071a375

  • SHA512

    8e75e0b6b471e951df306ee0c15324b992d43d28b7141bdc86070c3d45c0913e76553c678cebe6672e4bd6b980e0899e715111fb17e32447393d783911857008

  • SSDEEP

    12288:vcieJy1y9vL/CSvh4RRlE+U9gBwMKLzpd:vWg8ZLBefJU995Lzj

Malware Config

Extracted

Family

vidar

Version

3.1

Botnet

3037f12060a20d880cc80c86ab34fe19

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes
  • profile_id_v2

    3037f12060a20d880cc80c86ab34fe19

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LDPLayer.exe
    "C:\Users\Admin\AppData\Local\Temp\LDPLayer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 1840
        3⤵
        • Program crash
        PID:3812
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 224 -ip 224
    1⤵
      PID:4252

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/224-148-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/224-136-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-138-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-135-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-134-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-216-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-217-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/224-219-0x0000000000400000-0x000000000046C000-memory.dmp

      Filesize

      432KB

    • memory/492-137-0x00000000051F0000-0x0000000005200000-memory.dmp

      Filesize

      64KB

    • memory/492-133-0x00000000006D0000-0x0000000000734000-memory.dmp

      Filesize

      400KB

    • memory/492-218-0x00000000051F0000-0x0000000005200000-memory.dmp

      Filesize

      64KB