Overview

overview

10

Static

static

10

0d4630cc03...09.exe

windows10-2004-x64

10

0d4630cc03...09.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 11:02

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General

  • Target
    0d4630cc03a0b7d7167e26686cc527090796bfba412b66b4898d45b14c99e309.exe
  • Size 45KB
  • Sample260710-m43vxaa151
  • SHA256 0d4630cc03a0b7d7167e26686cc527090796bfba412b66b4898d45b14c99e309
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistenceprivilege_escalationrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • jav69.blog:80

  • jav69.blog:22

  • jav69.blog:8080

  • jav69.blog:8880

  • jav69.blog:2052

  • jav69.blog:2082

  • jav69.blog:2086

  • jav69.blog:2095

  • jav69.blog:443

  • jav69.blog:2053

  • jav69.blog:2083

  • jav69.blog:2087

  • jav69.blog:2096

  • jav69.blog:8443

  • www.jav69.blog:80

  • www.jav69.blog:22

  • www.jav69.blog:8080

  • www.jav69.blog:8880

  • www.jav69.blog:2052

  • www.jav69.blog:2082

Mutex

  • tpGxRBedYXwm

Attributes
  • delay

    0

  • install

    true

  • install_file

    ucwzosk.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).

  • Event Triggered Execution: Accessibility Features 1 TTPs

    Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.

    persistenceprivilege_escalation
  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d4630cc03a0b7d7167e26686cc527090796bfba412b66b4898d45b14c99e309.exe
    "C:\Users\Admin\AppData\Local\Temp\0d4630cc03a0b7d7167e26686cc527090796bfba412b66b4898d45b14c99e309.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ucwzosk" /tr '"C:\Users\Admin\AppData\Roaming\ucwzosk.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ucwzosk" /tr '"C:\Users\Admin\AppData\Roaming\ucwzosk.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAE67.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5408
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4400
      • C:\Users\Admin\AppData\Roaming\ucwzosk.exe
        "C:\Users\Admin\AppData\Roaming\ucwzosk.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4604
  • C:\Users\Admin\AppData\Roaming\ucwzosk.exe
    "C:\Users\Admin\AppData\Roaming\ucwzosk.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4396
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4468

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpAE67.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpAE67.tmp.bat
          • Size 151B
          • SHA256 0e67cef0877da33e63e2aa91ec2833a40e8340983acbcd5b968e34f9e3f2afb5
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ucwzosk.exe
          • Path C:\Users\Admin\AppData\Roaming\ucwzosk.exe
          • Size 45KB
          • SHA256 0d4630cc03a0b7d7167e26686cc527090796bfba412b66b4898d45b14c99e309
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/4188-0-0x0000000074A42000-0x0000000074A43000-memory.dmp
          Download

          memory/4188-1-0x0000000000C00000-0x0000000000C12000-memory.dmp
          Download

          memory/4188-2-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/4188-3-0x0000000005740000-0x00000000057DC000-memory.dmp
          Download

          memory/4188-8-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/4396-12-0x00000000748C0000-0x000000007507C000-memory.dmp
          Download

          memory/4396-14-0x00000000748C0000-0x000000007507C000-memory.dmp
          Download