Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 18:43

General

  • Target

    0ae6101ba73f1e60c1124512b7c0d28bef99bacdb36178f2552fa0957347cda4.exe

  • Size

    1.7MB

  • MD5

    b844e128d1a1966ac7a45cfc71179a53

  • SHA1

    fecb1495387f0b1972d87ae9c0bdfcffef2b523a

  • SHA256

    0ae6101ba73f1e60c1124512b7c0d28bef99bacdb36178f2552fa0957347cda4

  • SHA512

    beac7da5599dec11457008f25a23580de7637809e2d7aff44eaee6ad1dfca2426af1650e0a440942f5c6e0e86b6a5995a3f67eb82648098c4d3ba539b74c41bf

  • SSDEEP

    49152:1+v8EdkDTRrLQ5mFyKgV706kEod30Sr6sJeQBFjB:1+VU9XQ5kXgaXdt0pqeQB

Malware Config

Extracted

Family

stealc

Botnet

brat

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\0ae6101ba73f1e60c1124512b7c0d28bef99bacdb36178f2552fa0957347cda4.exe
    "C:\Users\Admin\AppData\Local\Temp\0ae6101ba73f1e60c1124512b7c0d28bef99bacdb36178f2552fa0957347cda4.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:2076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 928
      2⤵
      • Program crash
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2076-0-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-1-0x00000000773D0000-0x00000000773D2000-memory.dmp

    Filesize

    8KB

  • memory/2076-2-0x00000000001C1000-0x00000000001D8000-memory.dmp

    Filesize

    92KB

  • memory/2076-3-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-4-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-5-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-6-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-7-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-8-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-9-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB

  • memory/2076-10-0x00000000001C0000-0x000000000085A000-memory.dmp

    Filesize

    6.6MB