Analysis

  • max time kernel
    59s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/10/2026, 19:08

General

  • Target
    136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc.exe
  • Size 32KB
  • Sample261024-xtgj2afe92
  • SHA256 136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: AsyncRat

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc.exe
    "C:\Users\Admin\AppData\Local\Temp\136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\AppData\svchost.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Local\Temp\AppData\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:212
  • C:\Users\Admin\AppData\Local\Temp\136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc.exe
    C:\Users\Admin\AppData\Local\Temp\136f2c4ce285ae1a56df090ecd262d048e853e69aa8548d80156305829a946bc.exe
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4160
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Windows\system32\AppData\svchost.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Windows\system32\AppData\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4388

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        chrome_data.log

        • Path C:\Users\Admin\AppData\Local\Temp\chrome_data.log
        • Size 26B
        • SHA256 9a877aff3264d8089f12f807e5806c73537c37f482807fda17f07badceaaccb5
        • MD5 SHA1 SHA512

        lsass.dmp

        • Path C:\Users\Admin\AppData\Local\Temp\lsass.dmp
        • Size 10B
        • SHA256 ac16c4ffdd2be1e0d397baf2c3359fc3e2cc18f12ae7b0aa26e0e8981f0a5217
        • MD5 SHA1 SHA512

        !!!_READ_ME_TO_DECRYPT_!!!.txt

        • Path C:\Users\Admin\Desktop\!!!_READ_ME_TO_DECRYPT_!!!.txt
        • Size 66B
        • SHA256 7af9f3fb27a970927ac7d0da0c99ec4b5a41a7efee2586caea51be801a433594
        • MD5 SHA1 SHA512 TLSH

        UnpublishReset.docx.locked

        • Path C:\Users\Admin\Desktop\UnpublishReset.docx.locked
        • Size 42KB
        • SHA256 a4a902d40fd9ab18f22815bec7ffcdccf9cf5d76c7efdd15d0fa249279369651
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wallet.dat

        • Path C:\Users\Admin\Desktop\wallet.dat
        • Size 17B
        • SHA256 bbc8e0b297419962f304f89882c53691b1ef6d6abe035685c006b3b0bcdb8604
        • MD5 SHA1 SHA512

        JoinLock.txt.locked

        • Path C:\Users\Admin\Documents\JoinLock.txt.locked
        • Size 3.9MB
        • SHA256 6bbbb721d1d5304aa3515eba4cb7d6489f8d32e356f8e4328eb79da8a1cfce31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        JoinUninstall.docx.locked

        • Path C:\Users\Admin\Documents\JoinUninstall.docx.locked
        • Size 40KB
        • SHA256 d873242e7c6091a4bc068a74ae5899b44ec9a39a54e813ef14aad08a20829833
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4656-15-0x0000000005650000-0x0000000005660000-memory.dmp

        memory/4656-14-0x0000000005650000-0x0000000005660000-memory.dmp

        memory/4808-0-0x0000000000D60000-0x0000000000D6E000-memory.dmp

        memory/4808-13-0x0000000007BF0000-0x0000000007C8C000-memory.dmp

        memory/4808-3-0x0000000006440000-0x00000000069E4000-memory.dmp

        memory/4808-2-0x00000000056C0000-0x00000000056D0000-memory.dmp

        memory/4808-1-0x00000000056C0000-0x00000000056D0000-memory.dmp