Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2023 09:26

General

  • Target

    fd3822ff0c074b2d8f02973669525f3d.exe

  • Size

    3.8MB

  • MD5

    fd3822ff0c074b2d8f02973669525f3d

  • SHA1

    bf5620d5a11165575a48adea5ab6ef852bad5f33

  • SHA256

    7ed25ec70f54b43a85d83652b07b14d297530aa83d53eb777df0f20117bf612d

  • SHA512

    a6cd8a62217bc3ad7858703cef816e4bfbb3c85af061b00998a91aef4a37765e408f693698eb38936897b3c6b310442e3a8c8c026490dd7355c9cfb49c7b537d

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/gmlwXVZ4FB:5+R/eZADUXR

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

executivemoney.ddns.net:897

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    chuka

  • install_file

    chromwin.exe

  • 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 5 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\fd3822ff0c074b2d8f02973669525f3d.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3822ff0c074b2d8f02973669525f3d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4208-132-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/4208-133-0x0000000074680000-0x00000000746B9000-memory.dmp

    Filesize

    228KB

  • memory/4208-134-0x0000000074340000-0x0000000074379000-memory.dmp

    Filesize

    228KB

  • memory/4208-135-0x0000000074680000-0x00000000746B9000-memory.dmp

    Filesize

    228KB

  • memory/4208-136-0x0000000074340000-0x0000000074379000-memory.dmp

    Filesize

    228KB