Analysis

  • max time kernel
    165s
  • max time network
    183s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29-11-2022 16:41

General

  • Target

    7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe

  • Size

    258KB

  • MD5

    b9212ded69fae1fa1fb5d6db46a9fb76

  • SHA1

    58face4245646b1cd379ee49f03a701eab1642be

  • SHA256

    7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f

  • SHA512

    09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342

  • SSDEEP

    6144:YdAhH6pftFbsb8XODU4aLTwzLs0+mKnBtt:VUpftVcwIU4aLTwz5tItt

Malware Config

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe
    "C:\Users\Admin\AppData\Local\Temp\7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3500
    • C:\Users\Admin\AppData\Local\Temp\7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe
      "C:\Users\Admin\AppData\Local\Temp\7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4920
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:2280

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

  • memory/1488-170-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-174-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-261-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-155-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-184-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-154-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-183-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-182-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-181-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-180-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-179-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-178-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-177-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-176-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-175-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-171-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-173-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-172-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-169-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-168-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-167-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-166-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-165-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-164-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-163-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-158-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-162-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-161-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-146-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-156-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-149-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-150-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-151-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-147-0x00000000004231AC-mapping.dmp

  • memory/1488-152-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-153-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-159-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-243-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1488-160-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-157-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/2280-266-0x0000000000000000-mapping.dmp

  • memory/3500-141-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-126-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-119-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-143-0x00000000007FA000-0x0000000000826000-memory.dmp

    Filesize

    176KB

  • memory/3500-142-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-133-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-139-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-132-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-138-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-137-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-136-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-116-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-135-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-134-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-148-0x00000000007FA000-0x0000000000826000-memory.dmp

    Filesize

    176KB

  • memory/3500-144-0x0000000000730000-0x000000000077B000-memory.dmp

    Filesize

    300KB

  • memory/3500-140-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-131-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-130-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-129-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-128-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-127-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-145-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-125-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-124-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-122-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-118-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-117-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-121-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-123-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/3500-120-0x0000000077600000-0x000000007778E000-memory.dmp

    Filesize

    1.6MB

  • memory/4920-259-0x0000000000000000-mapping.dmp