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Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 13:24

General

  • Target

    5230c370cbdb95a2f4a30e70b7ac6a857af81c9498ef473704778fe86e6dbe1e.exe

  • Size

    224KB

  • MD5

    769c8ad3f187882a49cda5d26103730c

  • SHA1

    dae972d44336ffbb28509eabe946e83972166502

  • SHA256

    5230c370cbdb95a2f4a30e70b7ac6a857af81c9498ef473704778fe86e6dbe1e

  • SHA512

    08a5f80741ea4b0325efe15ad69feb44f4ea1a8ace70f072109f4ec19ad4bc56185aa5f3f734b03906ad3691f9cae43aea3a4ba88e507f97a753e11ca913669c

  • SSDEEP

    3072:Q52Gig7F8wUC1mK2iKkb8YxhX7EQXdeBvR/P4ieqSgvBEn/zcAGqxp6qUDbKSB/:sdF8l9sKqHbYQU/BSg5En/zqq/6qU/

Malware Config

Extracted

Family

vidar

Version

8.5

Botnet

e1d2225c9e4727fe2818a17924d7e065

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • profile_id_v2

    e1d2225c9e4727fe2818a17924d7e065

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 6 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5230c370cbdb95a2f4a30e70b7ac6a857af81c9498ef473704778fe86e6dbe1e.exe
    "C:\Users\Admin\AppData\Local\Temp\5230c370cbdb95a2f4a30e70b7ac6a857af81c9498ef473704778fe86e6dbe1e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 1444
        3⤵
        • Program crash
        PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\TarB7B2.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/1440-0-0x0000000000980000-0x00000000009BE000-memory.dmp

    Filesize

    248KB

  • memory/1440-1-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/1440-7-0x00000000022C0000-0x00000000042C0000-memory.dmp

    Filesize

    32.0MB

  • memory/1440-21-0x0000000074050000-0x000000007473E000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-12-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-10-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-9-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-16-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-19-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-22-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-6-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-5-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2696-4-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB