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Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2023, 02:20

General

  • Target

    30e08db1dca8919a070a9d851dbe03ab75484faf87f4f2c5fcc9ef033ab407e8.exe

  • Size

    290KB

  • MD5

    20a12cde7ba258bae05369d35a98cbc3

  • SHA1

    3c429c4c3daf14076588fb8dee165924cda226e0

  • SHA256

    30e08db1dca8919a070a9d851dbe03ab75484faf87f4f2c5fcc9ef033ab407e8

  • SHA512

    3465dba35534a21888a2516c2501cd9f7acedfa2f9ce6821234b9a13a7ef317c4bbf635faa3f5424960c81d1cc8fc33b633ddc781f10062864c14d3bb7a29a36

  • SSDEEP

    6144:tSEfAJfnjQTT5bP43PfVjP9etwf3EoOB2A19VgrIqt:8EYhjQJb8PfxPeE3hOM3cq

Malware Config

Extracted

Family

vidar

Version

6.1

Botnet

55d1d90f582be35927dbf245a6a59f6e

C2

https://steamcommunity.com/profiles/76561199563297648

https://t.me/twowheelfun

Attributes
  • profile_id_v2

    55d1d90f582be35927dbf245a6a59f6e

  • user_agent

    Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30e08db1dca8919a070a9d851dbe03ab75484faf87f4f2c5fcc9ef033ab407e8.exe
    "C:\Users\Admin\AppData\Local\Temp\30e08db1dca8919a070a9d851dbe03ab75484faf87f4f2c5fcc9ef033ab407e8.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\30e08db1dca8919a070a9d851dbe03ab75484faf87f4f2c5fcc9ef033ab407e8.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3224
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:3432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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/4668-2-0x0000000002520000-0x0000000002571000-memory.dmp

    Filesize

    324KB

  • memory/4668-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

    Filesize

    1024KB

  • memory/4668-3-0x0000000000400000-0x00000000007D2000-memory.dmp

    Filesize

    3.8MB

  • memory/4668-13-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4668-56-0x0000000000400000-0x00000000007D2000-memory.dmp

    Filesize

    3.8MB

  • memory/4668-57-0x0000000002520000-0x0000000002571000-memory.dmp

    Filesize

    324KB