Analysis

  • max time kernel
    143s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 02:51

General

  • Target

    Setup.exe

  • Size

    707.9MB

  • MD5

    b25431a1b7b821eef6f77698c18fabb7

  • SHA1

    8986dac902bc4827925550dab54d522c9d508d50

  • SHA256

    b81deb9f7a113389c170b54921cd8ec33216e7819b91b3a413e2ee79ad592434

  • SHA512

    474e6f1ad5eb02557f3046e6f23f176bca72248617a2b6c4b9378ac18b72e32175a8976e3e8d106c454d12b946e920aa1048e374b701c218f87df1d335d15f27

  • SSDEEP

    196608:P/tv60Dx802nynypt/G0o55XGyPkqPVGEt3eaie54JngocFYKAAPIVelZ3wTVCZU:tBx802nygh6WwZjeaF549X

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

10.1

Botnet

bd7a7ef85507e39998176b88b253bdb9

C2

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

  • Detect Vidar Stealer 2 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 7 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\SysWOW64\netsh.exe
      2⤵
      • Loads dropped DLL
      • Event Triggered Execution: Netsh Helper DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:300
      • C:\Users\Admin\AppData\Local\Temp\coml.au3
        C:\Users\Admin\AppData\Local\Temp\coml.au3
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 148
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\b47a9051

    Filesize

    6.8MB

    MD5

    957edcb00ce0b522499f6c799ea11053

    SHA1

    b1c91d93701d206820e45118e0df50d34790d27d

    SHA256

    e4456eea3e2fca53bc2a06fd247eba74bf668c39069d5c821d082ef7dfa03f5d

    SHA512

    167cb1c01f28bc40f85d0d8f895346d147a286811550142ebdf659cc4ba92f015d4def386d58adf4c48b1946ee31ddd8dcbef50ba09533889e9ad161c9867eb6

  • C:\Users\Admin\AppData\Local\Temp\b8acc765

    Filesize

    6.8MB

    MD5

    70d544ea90499a5404a8298a98f5a355

    SHA1

    be8ce8d3791656ed8833e9884b1584231bfee8e6

    SHA256

    9a03bcf5e6c9e1caf20f8773e9438acc627e797b23db8ef6d27704d4b975ac34

    SHA512

    0715a68babaf4e18f3b2522b657c728c2a03af2ade1cbf1479d477914794c64ce765139fd5786d821c3e7b1a302d7deb230ea94a2dfa59cdd8742a7abfb0e331

  • \Users\Admin\AppData\Local\Temp\coml.au3

    Filesize

    872KB

    MD5

    c56b5f0201a3b3de53e561fe76912bfd

    SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

    SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

    SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • memory/300-15-0x00000000734EE000-0x00000000734F0000-memory.dmp

    Filesize

    8KB

  • memory/300-23-0x00000000734E0000-0x0000000073654000-memory.dmp

    Filesize

    1.5MB

  • memory/300-18-0x00000000734E0000-0x0000000073654000-memory.dmp

    Filesize

    1.5MB

  • memory/300-14-0x00000000734E0000-0x0000000073654000-memory.dmp

    Filesize

    1.5MB

  • memory/300-12-0x0000000077210000-0x00000000773B9000-memory.dmp

    Filesize

    1.7MB

  • memory/876-8-0x000007FEF60E0000-0x000007FEF6238000-memory.dmp

    Filesize

    1.3MB

  • memory/876-9-0x000007FEF60E0000-0x000007FEF6238000-memory.dmp

    Filesize

    1.3MB

  • memory/876-0-0x0000000140000000-0x00000001407DB000-memory.dmp

    Filesize

    7.9MB

  • memory/876-7-0x000007FEF60F8000-0x000007FEF60F9000-memory.dmp

    Filesize

    4KB

  • memory/876-6-0x000007FEF60E0000-0x000007FEF6238000-memory.dmp

    Filesize

    1.3MB

  • memory/2644-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-21-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-25-0x0000000000670000-0x0000000000DBB000-memory.dmp

    Filesize

    7.3MB

  • memory/2644-32-0x0000000000670000-0x0000000000DBB000-memory.dmp

    Filesize

    7.3MB