General

  • Target

    MW3_Unlocker.exe

  • Size

    4.9MB

  • Sample

    241010-bbmsfasgka

  • MD5

    d6490e5a89108caecb7717db256e9b78

  • SHA1

    7e734eb9626ae2cf21383fb718e54006f34e5a10

  • SHA256

    0a44244f435457680e7026b969db56ea09a8748e6dbfe0b51bc184045798810f

  • SHA512

    c050c69e2a4f40d97ff732c43ef960ce687c8289acdba4eb676c499d95e2f207376e54413d74af39e4b9d615cf89ff7703f33580f553a06e04ad419408e2e0ef

  • SSDEEP

    98304:FkB3z2lHQTUC9IyzD09xXSp+8RikRGAGO9dku6Rp1JEy:DJEUC9Iy/EdSseiTA79dL8E

Malware Config

Extracted

Family

stealc

Botnet

game

C2

http://193.233.112.44

Attributes
  • url_path

    /383ccd496f3c5eee.php

Targets

    • Target

      MW3_Unlocker.exe

    • Size

      4.9MB

    • MD5

      d6490e5a89108caecb7717db256e9b78

    • SHA1

      7e734eb9626ae2cf21383fb718e54006f34e5a10

    • SHA256

      0a44244f435457680e7026b969db56ea09a8748e6dbfe0b51bc184045798810f

    • SHA512

      c050c69e2a4f40d97ff732c43ef960ce687c8289acdba4eb676c499d95e2f207376e54413d74af39e4b9d615cf89ff7703f33580f553a06e04ad419408e2e0ef

    • SSDEEP

      98304:FkB3z2lHQTUC9IyzD09xXSp+8RikRGAGO9dku6Rp1JEy:DJEUC9Iy/EdSseiTA79dL8E

    • Stealc

      Stealc is an infostealer written in C++.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks