Overview

overview

10

Static

static

10

a31572a7bc...2c.exe

windows10-2004-x64

10

a31572a7bc...2c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    62s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 19:02

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General

  • Target
    a31572a7bca2c9672771bfedb97540a02e9e3bc27bdfac3d863cab9d37643d2c.exe
  • Size 45KB
  • Sample260629-xp4h1ac16w
  • SHA256 a31572a7bca2c9672771bfedb97540a02e9e3bc27bdfac3d863cab9d37643d2c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemphimvl.com:80

  • xemphimvl.com:22

  • xemphimvl.com:8080

  • xemphimvl.com:8880

  • xemphimvl.com:2052

  • xemphimvl.com:2082

  • xemphimvl.com:2086

  • xemphimvl.com:2095

  • xemphimvl.com:443

  • xemphimvl.com:2053

  • xemphimvl.com:2083

  • xemphimvl.com:2087

  • xemphimvl.com:2096

  • xemphimvl.com:8443

  • www.xemphimvl.com:80

  • www.xemphimvl.com:22

  • www.xemphimvl.com:8080

  • www.xemphimvl.com:8880

  • www.xemphimvl.com:2052

  • www.xemphimvl.com:2082

Mutex

  • bLAcf5xzFhqh

Attributes
  • delay

    0

  • install

    true

  • install_file

    89pe.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

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

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

  • 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.

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

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a31572a7bca2c9672771bfedb97540a02e9e3bc27bdfac3d863cab9d37643d2c.exe
    "C:\Users\Admin\AppData\Local\Temp\a31572a7bca2c9672771bfedb97540a02e9e3bc27bdfac3d863cab9d37643d2c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "89pe" /tr '"C:\Users\Admin\AppData\Roaming\89pe.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6224
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "89pe" /tr '"C:\Users\Admin\AppData\Roaming\89pe.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6008
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5704.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5904
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6100
      • C:\Users\Admin\AppData\Roaming\89pe.exe
        "C:\Users\Admin\AppData\Roaming\89pe.exe"
        3⤵
          PID:4676
    • C:\Users\Admin\AppData\Roaming\89pe.exe
      "C:\Users\Admin\AppData\Roaming\89pe.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3880

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp5704.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp5704.tmp.bat
          • Size 148B
          • SHA256 6619c76a622419cf6bc5fc070fa44b6ee12a777f588110da08b38ea2f8dcf469
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          89pe.exe
          • Path C:\Users\Admin\AppData\Roaming\89pe.exe
          • Size 45KB
          • SHA256 a31572a7bca2c9672771bfedb97540a02e9e3bc27bdfac3d863cab9d37643d2c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3880-12-0x0000000074D90000-0x000000007554C000-memory.dmp
          Download

          memory/3880-14-0x0000000074D90000-0x000000007554C000-memory.dmp
          Download

          memory/5728-0-0x0000000074E12000-0x0000000074E13000-memory.dmp
          Download

          memory/5728-1-0x0000000000820000-0x0000000000832000-memory.dmp
          Download

          memory/5728-2-0x0000000074E00000-0x00000000755BC000-memory.dmp
          Download

          memory/5728-3-0x0000000005340000-0x00000000053DC000-memory.dmp
          Download

          memory/5728-8-0x0000000074E00000-0x00000000755BC000-memory.dmp
          Download