Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 02:49

General

  • Target
    248616c33688777ec65270993e047c0cf9b68c168459ba47f8c2e79b4d59e916.exe
  • Size 45KB
  • Sample260712-da345sb17l
  • SHA256 248616c33688777ec65270993e047c0cf9b68c168459ba47f8c2e79b4d59e916
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 160.25.84.171:80

  • 160.25.84.171:22

  • 160.25.84.171:8080

  • 160.25.84.171:8880

  • 160.25.84.171:2052

  • 160.25.84.171:2082

  • 160.25.84.171:2086

  • 160.25.84.171:2095

  • 160.25.84.171:443

  • 160.25.84.171:2053

  • 160.25.84.171:2083

  • 160.25.84.171:2087

  • 160.25.84.171:2096

  • 160.25.84.171:8443

Mutex
  • tYnVyJjey0HM

Attributes
  • delay

    0

  • install

    true

  • install_file

    imwbg0.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\248616c33688777ec65270993e047c0cf9b68c168459ba47f8c2e79b4d59e916.exe
    "C:\Users\Admin\AppData\Local\Temp\248616c33688777ec65270993e047c0cf9b68c168459ba47f8c2e79b4d59e916.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "imwbg0" /tr '"C:\Users\Admin\AppData\Roaming\imwbg0.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "imwbg0" /tr '"C:\Users\Admin\AppData\Roaming\imwbg0.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4468
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8478.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4568
      • C:\Users\Admin\AppData\Roaming\imwbg0.exe
        "C:\Users\Admin\AppData\Roaming\imwbg0.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4872
  • C:\Users\Admin\AppData\Roaming\imwbg0.exe
    "C:\Users\Admin\AppData\Roaming\imwbg0.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:564

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp8478.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp8478.tmp.bat
        • Size 150B
        • SHA256 21789b36224c2767354016edf5e0d3755b75bee41aea3b5cfd462e9bab7db4a1
        • MD5 SHA1 SHA512 TLSH

        imwbg0.exe

        • Path C:\Users\Admin\AppData\Roaming\imwbg0.exe
        • Size 45KB
        • SHA256 248616c33688777ec65270993e047c0cf9b68c168459ba47f8c2e79b4d59e916
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/564-12-0x0000000074410000-0x0000000074BCC000-memory.dmp

        memory/564-14-0x0000000074410000-0x0000000074BCC000-memory.dmp

        memory/2892-0-0x0000000074422000-0x0000000074423000-memory.dmp

        memory/2892-1-0x0000000000290000-0x00000000002A2000-memory.dmp

        memory/2892-2-0x0000000074410000-0x0000000074BCC000-memory.dmp

        memory/2892-3-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

        memory/2892-9-0x0000000074410000-0x0000000074BCC000-memory.dmp