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Analysis

  • max time kernel
    2s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/08/2024, 03:46

General

  • Target

    build_dc.exe

  • Size

    63KB

  • MD5

    ecf65b8c968e1b446404283037842393

  • SHA1

    74401eef916ec81ab04b664a263e53127077c08e

  • SHA256

    7ab37c6796628df3f37f80c4efd5ab265e7771c207d5265dac14504250d45621

  • SHA512

    d879a923a63bb4b4d85271c44b2b8a969c9e92fd4d904444be65804f320a6a430e7ab0d1e2912fcfd73dff64d51133fff4a241fe9897917f767429b4551c6b5e

  • SSDEEP

    1536:XhjExLDRwQuNMXbmaeWs1likcpo0bbYwvgG9ZVclN:XhjExLDRwQuNMXbreFliNS0bbYozY

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

147.185.221.22:21992

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#.

  • Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build_dc.exe
    "C:\Users\Admin\AppData\Local\Temp\build_dc.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1672

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1672-0-0x00007FFEF75F3000-0x00007FFEF75F5000-memory.dmp

    Filesize

    8KB

  • memory/1672-1-0x0000000000E70000-0x0000000000E86000-memory.dmp

    Filesize

    88KB

  • memory/1672-2-0x00007FFEF75F0000-0x00007FFEF80B2000-memory.dmp

    Filesize

    10.8MB

  • memory/1672-3-0x00007FFEF75F0000-0x00007FFEF80B2000-memory.dmp

    Filesize

    10.8MB