Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    03-12-2024 20:40

General

  • Target

    Client.exe

  • Size

    71KB

  • MD5

    b4bac2deae2b84bd744b65aa06d4d649

  • SHA1

    1f932fa916c39288bc00763f70a78d393f63fe24

  • SHA256

    90530f98b7e3fd31895b43d5bc1df0de4226f9b7c327ab4ec6c2c2a697bc6775

  • SHA512

    0dd9154a02a0035eb8b0706c92ae50de25f314ddc2cecddeb40d2556394debf31b27fe01a531723ca311bd75d53ecb033faab4c8389fef275b26adc4ea4ee6e1

  • SSDEEP

    768:BHAUR8bIL+Cyq+DiZtelDSN+iV08Ybyge5zcu0KomvEgK/J/pp6uBJjZ4Vc6KN:dPIeZtKDs4zb1VuQmnkJ/pp6EOVclN

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

193.161.193.99:22

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    Discord.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
      PID:4768
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4080-14-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-4-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-10-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-11-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-6-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-5-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-12-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-16-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-13-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4080-15-0x00000236207A0000-0x00000236207A1000-memory.dmp

      Filesize

      4KB

    • memory/4768-0-0x00007FFD52E33000-0x00007FFD52E35000-memory.dmp

      Filesize

      8KB

    • memory/4768-1-0x00000000003A0000-0x00000000003B8000-memory.dmp

      Filesize

      96KB

    • memory/4768-3-0x00007FFD52E30000-0x00007FFD538F2000-memory.dmp

      Filesize

      10.8MB

    • memory/4768-2-0x00007FFD52E30000-0x00007FFD538F2000-memory.dmp

      Filesize

      10.8MB