Resubmissions

03/11/2024, 01:07

241103-bg5v7szhlf10

02/11/2024, 22:50

241102-2sl6ca1kam10

02/11/2024, 22:45

241102-2pvy3sxgpr10

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2024, 22:50

General

  • Target
    Client.exe
  • Size 47KB
  • Sample241102-2sl6ca1kam
  • SHA256 30940e4217fbad30a8664b3210b7005e1865a065a3888a29ee2fd9e616aca250
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • 127.0.0.1:8848

  • 127.0.0.1:5555

  • 127.0.0.1:4816

  • sb7fmp5.localto.net:4816:8848

  • sb7fmp5.localto.net:4816:5555

  • sb7fmp5.localto.net:4816:4816

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#.

  • Asyncrat family
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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:2720
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2680

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2680-5-0x0000000140000000-0x00000001405E8000-memory.dmp

          memory/2680-6-0x0000000140000000-0x00000001405E8000-memory.dmp

          memory/2680-7-0x0000000140000000-0x00000001405E8000-memory.dmp

          memory/2680-8-0x0000000140000000-0x00000001405E8000-memory.dmp

          memory/2720-0-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

          memory/2720-1-0x00000000010C0000-0x00000000010D2000-memory.dmp

          memory/2720-2-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp

          memory/2720-3-0x000007FEF5BB3000-0x000007FEF5BB4000-memory.dmp

          memory/2720-4-0x000007FEF5BB0000-0x000007FEF659C000-memory.dmp