Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 12:16

General

  • Target
    e7b3a3e21faaf9320cdf0c8e4a02033e42f705684041a89c35ac50472dc28bbc.exe
  • Size 45KB
  • Sample260731-pflmtsselb
  • SHA256 e7b3a3e21faaf9320cdf0c8e4a02033e42f705684041a89c35ac50472dc28bbc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xemsexxx.me:80

  • xemsexxx.me:22

  • xemsexxx.me:8080

  • xemsexxx.me:8880

  • xemsexxx.me:2052

  • xemsexxx.me:2082

  • xemsexxx.me:2086

  • xemsexxx.me:2095

  • xemsexxx.me:443

  • xemsexxx.me:2053

  • xemsexxx.me:2083

  • xemsexxx.me:2087

  • xemsexxx.me:2096

  • xemsexxx.me:8443

  • www.xemsexxx.me:80

  • www.xemsexxx.me:22

  • www.xemsexxx.me:8080

  • www.xemsexxx.me:8880

  • www.xemsexxx.me:2052

  • www.xemsexxx.me:2082

Mutex
  • y5nhujTgc1ud

Attributes
  • delay

    0

  • install

    true

  • install_file

    j4faw3.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 1 IoCs
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7b3a3e21faaf9320cdf0c8e4a02033e42f705684041a89c35ac50472dc28bbc.exe
    "C:\Users\Admin\AppData\Local\Temp\e7b3a3e21faaf9320cdf0c8e4a02033e42f705684041a89c35ac50472dc28bbc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "j4faw3" /tr '"C:\Users\Admin\AppData\Roaming\j4faw3.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "j4faw3" /tr '"C:\Users\Admin\AppData\Roaming\j4faw3.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4C32.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5552
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5532
      • C:\Users\Admin\AppData\Roaming\j4faw3.exe
        "C:\Users\Admin\AppData\Roaming\j4faw3.exe"
        3⤵
          PID:2248
    • C:\Users\Admin\AppData\Roaming\j4faw3.exe
      "C:\Users\Admin\AppData\Roaming\j4faw3.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1524

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp4C32.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4C32.tmp.bat
          • Size 150B
          • SHA256 6aa8bcb8c0754b531c62dde6914aa91e49cffe0cd87860a9ae7f64a3ef3bb4a7
          • MD5 SHA1 SHA512 TLSH

          j4faw3.exe

          • Path C:\Users\Admin\AppData\Roaming\j4faw3.exe
          • Size 45KB
          • SHA256 e7b3a3e21faaf9320cdf0c8e4a02033e42f705684041a89c35ac50472dc28bbc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1464-0-0x0000000074872000-0x0000000074873000-memory.dmp

          memory/1464-1-0x0000000000730000-0x0000000000742000-memory.dmp

          memory/1464-2-0x0000000074860000-0x000000007501C000-memory.dmp

          memory/1464-3-0x0000000005110000-0x00000000051AC000-memory.dmp

          memory/1464-8-0x0000000074860000-0x000000007501C000-memory.dmp

          memory/1524-12-0x0000000074690000-0x0000000074E4C000-memory.dmp

          memory/1524-14-0x0000000074690000-0x0000000074E4C000-memory.dmp