Analysis

  • max time kernel
    96s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 09:09

General

  • Target

    7bd38004d31037e2310abca4378bdc296a0a35bd3a5b4cc892d44bdbf5a89779.exe

  • Size

    2.8MB

  • MD5

    6ad8c80adf22544fa38534491968ee1f

  • SHA1

    10630c3020fcafd52ea2d67385fdee4278a65121

  • SHA256

    7bd38004d31037e2310abca4378bdc296a0a35bd3a5b4cc892d44bdbf5a89779

  • SHA512

    ad73321f2698d344832e991310d3c3e6f8ea494094c81f949b229f6e76b0a259dc364d958afd2562f5d2b0166cc0795ce297af20e072e46899a66a1332787a65

  • SSDEEP

    49152:DOUWOwj+j90BI2+UVCKQz4WHvCRqHcmttDQ:DOnOug90BI2+UkKQzJOq8mTs

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bd38004d31037e2310abca4378bdc296a0a35bd3a5b4cc892d44bdbf5a89779.exe
    "C:\Users\Admin\AppData\Local\Temp\7bd38004d31037e2310abca4378bdc296a0a35bd3a5b4cc892d44bdbf5a89779.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 1472
      2⤵
      • Program crash
      PID:3540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2808 -ip 2808
    1⤵
      PID:2780

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2808-0-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-1-0x0000000077284000-0x0000000077286000-memory.dmp

      Filesize

      8KB

    • memory/2808-2-0x0000000000471000-0x0000000000488000-memory.dmp

      Filesize

      92KB

    • memory/2808-3-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-4-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-5-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-6-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-7-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB

    • memory/2808-8-0x0000000000470000-0x0000000000970000-memory.dmp

      Filesize

      5.0MB