Overview

overview

10

Static

static

10

c94a75e309...8c.exe

windows10-2004-x64

10

c94a75e309...8c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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, 14:45

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General

  • Target
    c94a75e309781636bd8450c2f842d8e924591d53f94408bfa72b05921d23e78c.exe
  • Size 45KB
  • Sample260804-r4peqsgp6v
  • SHA256 c94a75e309781636bd8450c2f842d8e924591d53f94408bfa72b05921d23e78c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • viet18.org:80

  • viet18.org:22

  • viet18.org:8080

  • viet18.org:8880

  • viet18.org:2052

  • viet18.org:2082

  • viet18.org:2086

  • viet18.org:2095

  • viet18.org:443

  • viet18.org:2053

  • viet18.org:2083

  • viet18.org:2087

  • viet18.org:2096

  • viet18.org:8443

  • www.viet18.org:80

  • www.viet18.org:22

  • www.viet18.org:8080

  • www.viet18.org:8880

  • www.viet18.org:2052

  • www.viet18.org:2082

Mutex

  • MgWWiRwObVCC

Attributes
  • delay

    0

  • install

    true

  • install_file

    zjea.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).

  • 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 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c94a75e309781636bd8450c2f842d8e924591d53f94408bfa72b05921d23e78c.exe
    "C:\Users\Admin\AppData\Local\Temp\c94a75e309781636bd8450c2f842d8e924591d53f94408bfa72b05921d23e78c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "zjea" /tr '"C:\Users\Admin\AppData\Roaming\zjea.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "zjea" /tr '"C:\Users\Admin\AppData\Roaming\zjea.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4412
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7286.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6080
      • C:\Users\Admin\AppData\Roaming\zjea.exe
        "C:\Users\Admin\AppData\Roaming\zjea.exe"
        3⤵
          PID:204
    • C:\Users\Admin\AppData\Roaming\zjea.exe
      "C:\Users\Admin\AppData\Roaming\zjea.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4884
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:1468

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp7286.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp7286.tmp.bat
            • Size 148B
            • SHA256 92b08d10218cb38ff99ca36b5237071ebb81def4a81bac4a154f883bb1c1e644
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            zjea.exe
            • Path C:\Users\Admin\AppData\Roaming\zjea.exe
            • Size 45KB
            • SHA256 c94a75e309781636bd8450c2f842d8e924591d53f94408bfa72b05921d23e78c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4644-0-0x0000000074D42000-0x0000000074D43000-memory.dmp
            Download

            memory/4644-1-0x0000000000E80000-0x0000000000E92000-memory.dmp
            Download

            memory/4644-2-0x0000000074D30000-0x00000000754EC000-memory.dmp
            Download

            memory/4644-3-0x0000000005880000-0x000000000591C000-memory.dmp
            Download

            memory/4644-8-0x0000000074D30000-0x00000000754EC000-memory.dmp
            Download

            memory/4884-12-0x0000000074B30000-0x00000000752EC000-memory.dmp
            Download

            memory/4884-14-0x0000000074B30000-0x00000000752EC000-memory.dmp
            Download