Analysis

  • max time kernel
    93s
  • 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
    27-12-2024 14:53

General

  • Target

    ce2f452c2d36b986038ba58cf0146bb360f0d87f71f1ce56c4430b47041852c8.exe

  • Size

    4.9MB

  • MD5

    e8986e2f122cdfcfed4853174606574f

  • SHA1

    cb43856b0831db65eae9390cab7b4b5257e8a22e

  • SHA256

    ce2f452c2d36b986038ba58cf0146bb360f0d87f71f1ce56c4430b47041852c8

  • SHA512

    f9dbfe5861addba1111ebccf54bf75a815677acb02828303d4ea5d20fd8879c44f5b1c3514822f720f99ceab6695ecc523868b108957db57384f793b137f338d

  • SSDEEP

    49152:fo1/sZr8WNkQoYSUrQFIezvP8X/YbFD/bpMN/Qu:A+Zr840YS3FI00X/8/Mh

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\ce2f452c2d36b986038ba58cf0146bb360f0d87f71f1ce56c4430b47041852c8.exe
    "C:\Users\Admin\AppData\Local\Temp\ce2f452c2d36b986038ba58cf0146bb360f0d87f71f1ce56c4430b47041852c8.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:1488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 1488
      2⤵
      • Program crash
      PID:4612
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1488 -ip 1488
    1⤵
      PID:4112

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1488-0-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-1-0x0000000077124000-0x0000000077126000-memory.dmp

      Filesize

      8KB

    • memory/1488-2-0x0000000000BD1000-0x0000000000E1A000-memory.dmp

      Filesize

      2.3MB

    • memory/1488-3-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-4-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-5-0x0000000000BD1000-0x0000000000E1A000-memory.dmp

      Filesize

      2.3MB

    • memory/1488-6-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-7-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-8-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-9-0x0000000000BD0000-0x00000000010B2000-memory.dmp

      Filesize

      4.9MB

    • memory/1488-10-0x0000000000BD1000-0x0000000000E1A000-memory.dmp

      Filesize

      2.3MB