Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2023, 23:08

General

  • Target

    bRhS.exe

  • Size

    47KB

  • MD5

    8e143fa09a0c859f791a32e7cb625c38

  • SHA1

    097428581f4ce478603412d2db261a2c9d5b671d

  • SHA256

    8131636f942e8d790a2fe8ac83a00bafd4f7400b3cb9be084dd40c07fc159c2e

  • SHA512

    68f5cfbe4f6708591b79e6566f5ff2296d3c2650e5a9009c53e4a8b451c93d4ee6c0551ca996d035483ec6ac4a02838dc3d8fc37e0142b8426cfe308634f97bd

  • SSDEEP

    768:996mxUTILWCaS+DiP4MKk81yI/Aics8Yb0geaFwtp3vEgK/J7ZVc6KN:996AKWgLjwgzbb9FwtJnkJ7ZVclN

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bRhS.exe
    "C:\Users\Admin\AppData\Local\Temp\bRhS.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5104-0-0x0000000000980000-0x0000000000992000-memory.dmp

    Filesize

    72KB

  • memory/5104-1-0x00007FFD02A10000-0x00007FFD034D1000-memory.dmp

    Filesize

    10.8MB

  • memory/5104-2-0x000000001B580000-0x000000001B590000-memory.dmp

    Filesize

    64KB

  • memory/5104-3-0x00007FFD02A10000-0x00007FFD034D1000-memory.dmp

    Filesize

    10.8MB

  • memory/5104-4-0x000000001B580000-0x000000001B590000-memory.dmp

    Filesize

    64KB