Analysis

  • max time kernel
    1800s
  • max time network
    1805s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 09:40

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
  • NTFS ADS 1 IoCs
  • Suspicious behavior: RenamesItself 64 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
    • NTFS ADS
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:100
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4356

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/100-0-0x0000000000400000-0x00000000007CE000-memory.dmp

      Filesize

      3.8MB

    • memory/100-1-0x0000000074B70000-0x0000000074BA9000-memory.dmp

      Filesize

      228KB

    • memory/100-2-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-3-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-4-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-5-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-6-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-7-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-8-0x0000000074B70000-0x0000000074BA9000-memory.dmp

      Filesize

      228KB

    • memory/100-9-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-10-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-12-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-13-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-14-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-15-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-16-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-17-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-18-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-25-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-26-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-27-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-34-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-35-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-36-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-37-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-38-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-39-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-40-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-41-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-42-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-43-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-44-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-51-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-52-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-53-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-60-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-61-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-62-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-63-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-64-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-65-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-66-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-67-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-68-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-69-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-70-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-71-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-72-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB

    • memory/100-73-0x0000000074AA0000-0x0000000074AD9000-memory.dmp

      Filesize

      228KB