Overview

overview

10

Static

static

10

71b0da5755...ee.exe

windows10-2004-x64

10

71b0da5755...ee.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 21:28

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General

  • Target
    71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee.exe
  • Size 45KB
  • Sample260804-1bs2ws1bnd
  • SHA256 71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemsexmy.org:80

  • xemsexmy.org:22

  • xemsexmy.org:8080

  • xemsexmy.org:8880

  • xemsexmy.org:2052

  • xemsexmy.org:2082

  • xemsexmy.org:2086

  • xemsexmy.org:2095

  • xemsexmy.org:443

  • xemsexmy.org:2053

  • xemsexmy.org:2083

  • xemsexmy.org:2087

  • xemsexmy.org:2096

  • xemsexmy.org:8443

  • www.xemsexmy.org:80

  • www.xemsexmy.org:22

  • www.xemsexmy.org:8080

  • www.xemsexmy.org:8880

  • www.xemsexmy.org:2052

  • www.xemsexmy.org:2082

Mutex

  • b4gAwLFxeNMc

Attributes
  • delay

    0

  • install

    true

  • install_file

    rlke77h.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 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.

    execution
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee.exe
    "C:\Users\Admin\AppData\Local\Temp\71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "rlke77h" /tr '"C:\Users\Admin\AppData\Roaming\rlke77h.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3492
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "rlke77h" /tr '"C:\Users\Admin\AppData\Roaming\rlke77h.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2736
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA8F8.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4460
      • C:\Users\Admin\AppData\Roaming\rlke77h.exe
        "C:\Users\Admin\AppData\Roaming\rlke77h.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5968
  • C:\Users\Admin\AppData\Roaming\rlke77h.exe
    "C:\Users\Admin\AppData\Roaming\rlke77h.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4996
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3460

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpA8F8.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpA8F8.tmp.bat
          • Size 151B
          • SHA256 f81b83c3b36e222320304c46adc9f0fb5c1f0a137a5cbc9543bdbf57bcdca0ae
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          rlke77h.exe
          • Path C:\Users\Admin\AppData\Roaming\rlke77h.exe
          • Size 45KB
          • SHA256 71b0da5755ef725aba207067df74b1404486af7e3d54f2d8ceb0847dd00058ee
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/964-0-0x0000000075032000-0x0000000075033000-memory.dmp
          Download

          memory/964-1-0x0000000000560000-0x0000000000572000-memory.dmp
          Download

          memory/964-2-0x0000000075020000-0x00000000757DC000-memory.dmp
          Download

          memory/964-3-0x00000000051B0000-0x000000000524C000-memory.dmp
          Download

          memory/964-8-0x0000000075020000-0x00000000757DC000-memory.dmp
          Download

          memory/4996-12-0x0000000074E20000-0x00000000755DC000-memory.dmp
          Download

          memory/4996-14-0x0000000074E20000-0x00000000755DC000-memory.dmp
          Download