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Analysis

  • max time kernel
    176s
  • max time network
    183s
  • 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, 17:07

General

  • Target

    bRh5.exe

  • Size

    47KB

  • MD5

    5134c49a07d56216e9d3e4406df03dfc

  • SHA1

    96d6186f359ba0e30501f69eb0aba1e378ee888f

  • SHA256

    49aed29ad4a75261e3c9e5e1c7d081588d56a9d9094cfafb4298b73cdb42ff2f

  • SHA512

    37158c90dbe42e0ef3b96f5d747f548b09a9c58e65d8d6cccafe403a4264f5ee5cbe526d9caf04109f617daed66d46a530c9a748bbb2c3899962b9083ff1fee2

  • SSDEEP

    768:996mxUTILWCaS+DiPqMmaCVi/68YbVge+ZiHlvEgK/J7ZVc6KN:996AKWcZvzbyzYHlnkJ7ZVclN

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\bRh5.exe
    "C:\Users\Admin\AppData\Local\Temp\bRh5.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1568-0-0x0000000000CD0000-0x0000000000CE2000-memory.dmp

    Filesize

    72KB

  • memory/1568-1-0x00007FFCD8F60000-0x00007FFCD9A21000-memory.dmp

    Filesize

    10.8MB

  • memory/1568-2-0x000000001B9A0000-0x000000001B9B0000-memory.dmp

    Filesize

    64KB

  • memory/1568-3-0x00007FFCD8F60000-0x00007FFCD9A21000-memory.dmp

    Filesize

    10.8MB

  • memory/1568-4-0x000000001B9A0000-0x000000001B9B0000-memory.dmp

    Filesize

    64KB