Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 00:02

General

  • Target

    stub.exe

  • Size

    3.8MB

  • MD5

    4443b57c1262fbc156765ba2a9019391

  • SHA1

    b02b8b4c0ee1f8b850e420d754ef1f398c1ebf4d

  • SHA256

    f6631cb0b90dad50436e54e1626d6684bb4188a451dd1168e72df5ca67583af7

  • SHA512

    84e4854c82c5fbd789ce1973b73d60aef138cee9b492a693a8a9d49a24488cdc719d54a8434fdc4b8e7057be33126e09aae2f04a88d9bfbb7abb9264aa0d596d

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/emlwXVZ4FB:5+R/eZADUXR

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

103.153.182.247:6161

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    Install path

  • install_file

    Install name

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious behavior: RenamesItself 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4888-0-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4888-1-0x00000000746C0000-0x00000000746F9000-memory.dmp

    Filesize

    228KB

  • memory/4888-2-0x00000000745F0000-0x0000000074629000-memory.dmp

    Filesize

    228KB

  • memory/4888-3-0x00000000745F0000-0x0000000074629000-memory.dmp

    Filesize

    228KB

  • memory/4888-4-0x00000000745F0000-0x0000000074629000-memory.dmp

    Filesize

    228KB

  • memory/4888-5-0x00000000745F0000-0x0000000074629000-memory.dmp

    Filesize

    228KB

  • memory/4888-6-0x00000000745F0000-0x0000000074629000-memory.dmp

    Filesize

    228KB