Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12/06/2024, 01:02

General

  • Target

    924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc.exe

  • Size

    1.6MB

  • MD5

    7a72f47332304084eb8dada6d1ea82d0

  • SHA1

    869c5365b46530bdeeb319a2956b2aff284b99e2

  • SHA256

    924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc

  • SHA512

    edf4a0357886c02218a4d88d53177f99e26fc46a372c3558ae301055b53ee49c006681024c7e5005a3b8154bc20d4cbb734ba446de5bf03a3bf18d06c7037517

  • SSDEEP

    24576:spM5863IGfTAVpalB1UfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6B1UkxVVChjHZQs

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

  • Detect Vidar Stealer 17 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc.exe
    "C:\Users\Admin\AppData\Local\Temp\924377a0aaee56e994f57c5fee8ff1a36ff4e824255276af4a7f4e3b8bd727dc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Users\Admin\AppData\Local\Temp\kat3E32.tmp
      C:\Users\Admin\AppData\Local\Temp\kat3E32.tmp
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat3E32.tmp" & rd /s /q "C:\ProgramData\KJEGDBKFIJDA" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2524
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • Delays execution with timeout.exe
          PID:780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\kat3E32.tmp

    Filesize

    861KB

    MD5

    66064dbdb70a5eb15ebf3bf65aba254b

    SHA1

    0284fd320f99f62aca800fb1251eff4c31ec4ed7

    SHA256

    6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

    SHA512

    b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

  • memory/4432-18-0x0000000021790000-0x00000000219EF000-memory.dmp

    Filesize

    2.4MB

  • memory/4432-35-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-9-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-68-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-8-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-65-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-11-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-14-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-64-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-4-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-34-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-26-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-25-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-15-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-51-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-52-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4432-63-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/4676-0-0x00000000022F0000-0x00000000022F1000-memory.dmp

    Filesize

    4KB

  • memory/4676-1-0x0000000004040000-0x0000000004150000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-10-0x0000000000400000-0x0000000000594000-memory.dmp

    Filesize

    1.6MB