Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-03-2024 15:24

General

  • Target

    22856a6c833d238fca56eabc3398b1118a2893f0995448ca69c19a40d07f50de.exe

  • Size

    2.6MB

  • MD5

    8a24042598b0c07c593a6f728379ed12

  • SHA1

    cfc334ef264e339084f5f9a425a1d8e3c7af98a8

  • SHA256

    22856a6c833d238fca56eabc3398b1118a2893f0995448ca69c19a40d07f50de

  • SHA512

    61cd3180261e538879e2c8eed8012107ad357e52fdd453c0038701228ce6b7e770a90ca1c941d3e1e05720eed881ebdeeae5d50e7ef48492aa265e0b60ef2484

  • SSDEEP

    49152:VTCVHed6FUSPFMiy7J7Sy2/tTuUhnKLvO+MpfCGl9xh6Z:UUdCNPuhl7y/tlnKa+wfCGrw

Malware Config

Extracted

Family

vidar

Version

8

Botnet

a2fafb95617b0c4575ae879e558a67a9

C2

https://t.me/neoschats

https://steamcommunity.com/profiles/76561199644883218

Attributes
  • profile_id_v2

    a2fafb95617b0c4575ae879e558a67a9

  • user_agent

    Mozilla/5.0 (Linux; Android 11; M2102J20SG) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Mobile Safari/537.36 EdgA/97.0.1072.78

Signatures

  • Detect Vidar Stealer 1 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22856a6c833d238fca56eabc3398b1118a2893f0995448ca69c19a40d07f50de.exe
    "C:\Users\Admin\AppData\Local\Temp\22856a6c833d238fca56eabc3398b1118a2893f0995448ca69c19a40d07f50de.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 1404
      2⤵
      • Program crash
      PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    d7b77b8c15e3a2d33092916dfbe88daf

    SHA1

    9c7faaccdb9d5949854a96a06e3947e1dbcaa0d3

    SHA256

    7d103b55faf29b936c8328c774771bf5b864f3c80fd171aa14e6526bd49f7c2d

    SHA512

    a2692234fee4c9730c6b38b4cdc5520b400b8144e44951ff3bf4d67127ede2ef4072cab9610a820602a4c7a6fa5a6acec6966dec95dc24a425a316020447cffa

  • C:\Users\Admin\AppData\Local\Temp\TarB17B.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/1440-0-0x00000000013A0000-0x0000000001A0F000-memory.dmp

    Filesize

    6.4MB