Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 22:25

General

  • Target
    47E1B3A9FE7BD09242ACBCBD0D515DED.exe
  • Size 122KB
  • Sample260721-2cbpnsstcx
  • SHA256 5fd493615b731c767be670d33a4e48ec89ad264bf583c2b087d7645a4727986b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • kma

C2
  • 193.161.193.99:49916

  • 193.161.193.99:7707

  • 193.161.193.99:7474

Mutex
  • VibymMRFkx2O

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoft (P) Aggregator Host.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

aes.plain

Signatures

  • Family: AsyncRat

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

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Async RAT payload 1 IoCs
  • Detects DonutLoader 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\47E1B3A9FE7BD09242ACBCBD0D515DED.exe
    "C:\Users\Admin\AppData\Local\Temp\47E1B3A9FE7BD09242ACBCBD0D515DED.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Microsoft (P) Aggregator Host" /tr '"C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5480
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Microsoft (P) Aggregator Host" /tr '"C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3824
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7C99.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:940
      • C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe"
        3⤵
        • Executes dropped EXE
        PID:5788
  • C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4344
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1828

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp7C99.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp7C99.tmp.bat
          • Size 173B
          • SHA256 e26a1b498fad9be8de68edc0ef7e5e23e2e5fd8b2e1d5c60598db5cd6617bca1
          • MD5 SHA1 SHA512 TLSH

          Microsoft (P) Aggregator Host.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft (P) Aggregator Host.exe
          • Size 122KB
          • SHA256 5fd493615b731c767be670d33a4e48ec89ad264bf583c2b087d7645a4727986b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4344-20-0x00007FF6C1C10000-0x00007FF6C1C37000-memory.dmp

          memory/4992-0-0x0000023A3D3E0000-0x0000023A3D3F3000-memory.dmp

          memory/4992-1-0x00007FF8B41CF000-0x00007FF8B41D0000-memory.dmp

          memory/4992-2-0x0000023A3EDB0000-0x0000023A3EDC2000-memory.dmp

          memory/4992-3-0x00007FF8B4040000-0x00007FF8B49E4000-memory.dmp

          memory/4992-4-0x00007FF8B4040000-0x00007FF8B49E4000-memory.dmp

          memory/4992-10-0x0000023A57AD0000-0x0000023A57B4C000-memory.dmp

          memory/4992-9-0x00007FF62CE10000-0x00007FF62CE37000-memory.dmp

          memory/4992-11-0x00007FF8B4040000-0x00007FF8B49E4000-memory.dmp

          memory/5788-19-0x00007FF6C1C10000-0x00007FF6C1C37000-memory.dmp