Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/07/2026, 03:10

General

  • Target
    95857af2dbeda9140a3ec750d1debcb664919758696eb40be8db54f4bd4295f3.exe
  • Size 45KB
  • Sample260712-dphrract5n
  • SHA256 95857af2dbeda9140a3ec750d1debcb664919758696eb40be8db54f4bd4295f3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • bunji-adult.com:80

  • bunji-adult.com:22

  • bunji-adult.com:8080

  • bunji-adult.com:8880

  • bunji-adult.com:2052

  • bunji-adult.com:2082

  • bunji-adult.com:2086

  • bunji-adult.com:2095

  • bunji-adult.com:443

  • bunji-adult.com:2053

  • bunji-adult.com:2083

  • bunji-adult.com:2087

  • bunji-adult.com:2096

  • bunji-adult.com:8443

  • www.bunji-adult.com:80

  • www.bunji-adult.com:22

  • www.bunji-adult.com:8080

  • www.bunji-adult.com:8880

  • www.bunji-adult.com:2052

  • www.bunji-adult.com:2082

Mutex
  • cybjZEkkGM9B

Attributes
  • delay

    0

  • install

    true

  • install_file

    s519.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\95857af2dbeda9140a3ec750d1debcb664919758696eb40be8db54f4bd4295f3.exe
    "C:\Users\Admin\AppData\Local\Temp\95857af2dbeda9140a3ec750d1debcb664919758696eb40be8db54f4bd4295f3.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "s519" /tr '"C:\Users\Admin\AppData\Roaming\s519.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "s519" /tr '"C:\Users\Admin\AppData\Roaming\s519.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3336
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2028
      • C:\Users\Admin\AppData\Roaming\s519.exe
        "C:\Users\Admin\AppData\Roaming\s519.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1884
  • C:\Users\Admin\AppData\Roaming\s519.exe
    "C:\Users\Admin\AppData\Roaming\s519.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2336

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp24E8.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp.bat
        • Size 148B
        • SHA256 7e263a5b120f61d98f1f2b1a6aa070ec4017ecebebeac43dcea2a8259a2d3c9e
        • MD5 SHA1 SHA512 TLSH

        s519.exe

        • Path C:\Users\Admin\AppData\Roaming\s519.exe
        • Size 45KB
        • SHA256 95857af2dbeda9140a3ec750d1debcb664919758696eb40be8db54f4bd4295f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2336-10-0x00000000057E0000-0x00000000057F0000-memory.dmp

        memory/2336-13-0x00000000057E0000-0x00000000057F0000-memory.dmp

        memory/4448-0-0x0000000000340000-0x0000000000352000-memory.dmp

        memory/4448-1-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        memory/4448-2-0x0000000004D70000-0x0000000004E0C000-memory.dmp