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Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 15:46

General

  • Target

    13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe

  • Size

    404KB

  • MD5

    10e555691e5bd8608d3afde0c81a61e4

  • SHA1

    37480fa81dca9c7fa109820b0b86ed3ec7258b04

  • SHA256

    13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc

  • SHA512

    e4280c7b1c114b5b3dba3caa976604c77e69a782ecbff6cdb4c21653016878f90c8bcebd336dd288721ec38f464cd2a78e1bfe0b886e0bcb8a5fd610836df291

  • SSDEEP

    6144:kyt602OmYh5I7KU9QPrVI5IgQ0jolIMaszHQTh1u1KjjY9tbCDdBNkioEO:kdt7YMOU2hkflq3jHihamE912kioEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

3c2b9e69b31bab816bc6aaf265216d69

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 10 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe
    "C:\Users\Admin\AppData\Local\Temp\13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    b6f06124666ab0f6c59ffc92ef9bdbf8

    SHA1

    2ac14d9361c1b1accb55f1517d6d65f8c0a25cd2

    SHA256

    3255b685dd6f657e7aba3b6dec8977d111afdc73e17e38c27875ab75c9482bb1

    SHA512

    07c69081339a0ee7081f6bf7d7a46b2c708ac4dd88607ab55d2d7e533822333ef8463d88ab0556e308ecda7153b1e6de6bb66530d3ba6c2dcb2b3f5fb8003a70

  • C:\Users\Admin\AppData\Local\Temp\CabAE4B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarAE5E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1968-1-0x0000000000EC0000-0x0000000000F2A000-memory.dmp

    Filesize

    424KB

  • memory/1968-14-0x0000000074CE0000-0x00000000753CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

    Filesize

    4KB

  • memory/2688-13-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-11-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-7-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-4-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2688-16-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-152-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-171-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-201-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2688-191-0x0000000020020000-0x000000002027F000-memory.dmp

    Filesize

    2.4MB

  • memory/2688-220-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB