Analysis

  • max time kernel
    89s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • submitted
    13-09-2022 06:48

General

  • Target

    01dd09f52d0accfd655731ed746a9c3742dc7ee7684aa5a4002155897147dc20.exe

  • Size

    603KB

  • MD5

    fc36426495ee630d0b1b8f01dc716a4a

  • SHA1

    1f8f8d9c120fe300d1f4123bf3b1725a64374dfd

  • SHA256

    01dd09f52d0accfd655731ed746a9c3742dc7ee7684aa5a4002155897147dc20

  • SHA512

    8c3af38acb8e9a49aba600eeac8037158ded7f51cfcbf80550cc0d8ca0cf97c7d9a4d600e68050353680e465ea2dab09dd1b20dccfc47c9aa24dd6793d6dbea8

  • SSDEEP

    12288:WE/uGuw1DPs5P9PTxy9bd46JgqPMQhB6NLKdLhTh3QHQIE:WkueDcVTxy9jgtQKiTgHQIE

Malware Config

Extracted

Family

vidar

Version

54.3

Botnet

1375

C2

https://t.me/karacakahve

https://ieji.de/@tiagoa96

Attributes
  • profile_id

    1375

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 3 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01dd09f52d0accfd655731ed746a9c3742dc7ee7684aa5a4002155897147dc20.exe
    "C:\Users\Admin\AppData\Local\Temp\01dd09f52d0accfd655731ed746a9c3742dc7ee7684aa5a4002155897147dc20.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:99572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 98252
      2⤵
      • Program crash
      PID:99620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \ProgramData\sqlite3.dll

    Filesize

    1.1MB

    MD5

    1f44d4d3087c2b202cf9c90ee9d04b0f

    SHA1

    106a3ebc9e39ab6ddb3ff987efb6527c956f192d

    SHA256

    4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260

    SHA512

    b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45

  • memory/99572-54-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/99572-56-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/99572-62-0x000000000042108D-mapping.dmp

  • memory/99572-63-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/99572-64-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB

  • memory/99572-65-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/99620-66-0x0000000000000000-mapping.dmp