Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 14:18

General

  • Target
    d040036430d10a3f84c02eddf6acf6a1e6c8a3a6d3893aae4e3bc668c8f0a436.exe
  • Size 45KB
  • Sample260710-rmgcssds71
  • SHA256 d040036430d10a3f84c02eddf6acf6a1e6c8a3a6d3893aae4e3bc668c8f0a436
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • damsex.blog:80

  • damsex.blog:22

  • damsex.blog:8080

  • damsex.blog:8880

  • damsex.blog:2052

  • damsex.blog:2082

  • damsex.blog:2086

  • damsex.blog:2095

  • damsex.blog:443

  • damsex.blog:2053

  • damsex.blog:2083

  • damsex.blog:2087

  • damsex.blog:2096

  • damsex.blog:8443

  • www.damsex.blog:80

  • www.damsex.blog:22

  • www.damsex.blog:8080

  • www.damsex.blog:8880

  • www.damsex.blog:2052

  • www.damsex.blog:2082

Mutex
  • CRHOdjAGhFeP

Attributes
  • delay

    0

  • install

    true

  • install_file

    74clz52.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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d040036430d10a3f84c02eddf6acf6a1e6c8a3a6d3893aae4e3bc668c8f0a436.exe
    "C:\Users\Admin\AppData\Local\Temp\d040036430d10a3f84c02eddf6acf6a1e6c8a3a6d3893aae4e3bc668c8f0a436.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "74clz52" /tr '"C:\Users\Admin\AppData\Roaming\74clz52.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5668
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "74clz52" /tr '"C:\Users\Admin\AppData\Roaming\74clz52.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5936
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9F29.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4232
      • C:\Users\Admin\AppData\Roaming\74clz52.exe
        "C:\Users\Admin\AppData\Roaming\74clz52.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:6068
  • C:\Users\Admin\AppData\Roaming\74clz52.exe
    "C:\Users\Admin\AppData\Roaming\74clz52.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp9F29.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9F29.tmp.bat
        • Size 151B
        • SHA256 0eba326b2b5c54b344410c23c6db19087258f4b6737275e54a6f282fc14e7580
        • MD5 SHA1 SHA512 TLSH

        74clz52.exe

        • Path C:\Users\Admin\AppData\Roaming\74clz52.exe
        • Size 45KB
        • SHA256 d040036430d10a3f84c02eddf6acf6a1e6c8a3a6d3893aae4e3bc668c8f0a436
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4748-0-0x0000000000F90000-0x0000000000FA2000-memory.dmp

        memory/4748-1-0x00000000059C0000-0x00000000059D0000-memory.dmp

        memory/4748-2-0x00000000059D0000-0x0000000005A6C000-memory.dmp

        memory/5980-10-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

        memory/5980-13-0x0000000004FB0000-0x0000000004FC0000-memory.dmp