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Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2025, 00:41

General

  • Target

    0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe

  • Size

    1.7MB

  • MD5

    bfb44585c36cc324b7025294f0d2aee5

  • SHA1

    591e6fe4ddf160370fafd43b499a606ac26086b4

  • SHA256

    0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7

  • SHA512

    d3e992f6060072fb775818b5dc4004a5c5ec714b8d3ff4060fecd90f86a339762a556a1c88e14fd0d597ce25fdc092a3e3601d7618aeb637fc52c58850ac4961

  • SSDEEP

    49152:l0rMAD9+Df1WU5ruQacNOJr03s7cdQDZ9L31Pq7m:oP+rruE217Zj3Uq

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\0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
    "C:\Users\Admin\AppData\Local\Temp\0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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:524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 432
      2⤵
      • Program crash
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/524-0-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-3-0x0000000001051000-0x0000000001068000-memory.dmp

    Filesize

    92KB

  • memory/524-2-0x0000000000950000-0x0000000000951000-memory.dmp

    Filesize

    4KB

  • memory/524-1-0x0000000077460000-0x0000000077462000-memory.dmp

    Filesize

    8KB

  • memory/524-4-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-5-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-6-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-7-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-8-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-9-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB

  • memory/524-10-0x0000000001050000-0x00000000016DE000-memory.dmp

    Filesize

    6.6MB