Analysis

  • max time kernel
    57s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 2 IoCs
  • Suspicious use of WriteProcessMemory 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
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 432
      2⤵
      • Program crash
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2396-0-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-1-0x0000000077460000-0x0000000077462000-memory.dmp

    Filesize

    8KB

  • memory/2396-2-0x0000000000E81000-0x00000000010CA000-memory.dmp

    Filesize

    2.3MB

  • memory/2396-3-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-4-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-5-0x0000000000E81000-0x00000000010CA000-memory.dmp

    Filesize

    2.3MB

  • memory/2396-6-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-8-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-9-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-10-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-11-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-12-0x0000000000E80000-0x0000000001362000-memory.dmp

    Filesize

    4.9MB

  • memory/2396-13-0x0000000000E81000-0x00000000010CA000-memory.dmp

    Filesize

    2.3MB