Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 04:38

General

  • Target

    dd1b0385602213880aa196d01d1e39924e15d6829fc8514dc2d16471ca673f61.exe

  • Size

    2.8MB

  • MD5

    cce7b837082a7f9f34c2107c4fec2bb6

  • SHA1

    e283769d68cfc6c50107842af9d0f393a9dfa2a0

  • SHA256

    dd1b0385602213880aa196d01d1e39924e15d6829fc8514dc2d16471ca673f61

  • SHA512

    c904565acbf839daf2f873e2db7af3e064ac17cecaa2d297bb423849f5fd3a092981d84d4f01f8edf5f18a7a79bd42b99fb83be27c092408eb7f27348ab487c9

  • SSDEEP

    49152:ZqInb4ijRiz79Scg7p391WKvmAEnzvGk2aB/Upa:pMitif9s3flvrEnzOiRU

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\dd1b0385602213880aa196d01d1e39924e15d6829fc8514dc2d16471ca673f61.exe
    "C:\Users\Admin\AppData\Local\Temp\dd1b0385602213880aa196d01d1e39924e15d6829fc8514dc2d16471ca673f61.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:64
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 1472
      2⤵
      • Program crash
      PID:3084
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 64 -ip 64
    1⤵
      PID:3328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/64-0-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-1-0x0000000077524000-0x0000000077526000-memory.dmp

      Filesize

      8KB

    • memory/64-2-0x00000000009F1000-0x0000000000A08000-memory.dmp

      Filesize

      92KB

    • memory/64-3-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-4-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-5-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-6-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-7-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB

    • memory/64-8-0x00000000009F0000-0x0000000000EE9000-memory.dmp

      Filesize

      5.0MB