Overview

overview

10

Static

static

10

957c55943a...ea.exe

windows10-2004-x64

10

957c55943a...ea.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
    03/08/2026, 15:00

Sharing

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General

  • Target
    957c55943a1825f44cf6ce3223ec7df861906fd7a1b102d847d90aa2626937ea.exe
  • Size 45KB
  • Sample260803-sdb76abc66
  • SHA256 957c55943a1825f44cf6ce3223ec7df861906fd7a1b102d847d90aa2626937ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimvkl.com:80

  • phimvkl.com:22

  • phimvkl.com:8080

  • phimvkl.com:8880

  • phimvkl.com:2052

  • phimvkl.com:2082

  • phimvkl.com:2086

  • phimvkl.com:2095

  • phimvkl.com:443

  • phimvkl.com:2053

  • phimvkl.com:2083

  • phimvkl.com:2087

  • phimvkl.com:2096

  • phimvkl.com:8443

  • www.phimvkl.com:80

  • www.phimvkl.com:22

  • www.phimvkl.com:8080

  • www.phimvkl.com:8880

  • www.phimvkl.com:2052

  • www.phimvkl.com:2082

Mutex

  • VsQwvl9IaX5B

Attributes
  • delay

    0

  • install

    true

  • install_file

    vdww5kxj.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
  • Outbound SSH connection to public host 2 TTPs 3 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\957c55943a1825f44cf6ce3223ec7df861906fd7a1b102d847d90aa2626937ea.exe
    "C:\Users\Admin\AppData\Local\Temp\957c55943a1825f44cf6ce3223ec7df861906fd7a1b102d847d90aa2626937ea.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vdww5kxj" /tr '"C:\Users\Admin\AppData\Roaming\vdww5kxj.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "vdww5kxj" /tr '"C:\Users\Admin\AppData\Roaming\vdww5kxj.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4396
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB6E2.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5984
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4424
      • C:\Users\Admin\AppData\Roaming\vdww5kxj.exe
        "C:\Users\Admin\AppData\Roaming\vdww5kxj.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5664
  • C:\Users\Admin\AppData\Roaming\vdww5kxj.exe
    "C:\Users\Admin\AppData\Roaming\vdww5kxj.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4404
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3248

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpB6E2.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpB6E2.tmp.bat
          • Size 152B
          • SHA256 8d984068df9c9c647237c82ee97136509c1ea0902d05cbee6162dce10f7e1a63
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          vdww5kxj.exe
          • Path C:\Users\Admin\AppData\Roaming\vdww5kxj.exe
          • Size 45KB
          • SHA256 957c55943a1825f44cf6ce3223ec7df861906fd7a1b102d847d90aa2626937ea
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3452-0-0x0000000074A42000-0x0000000074A43000-memory.dmp
          Download

          memory/3452-1-0x0000000000620000-0x0000000000632000-memory.dmp
          Download

          memory/3452-2-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/3452-3-0x0000000005220000-0x00000000052BC000-memory.dmp
          Download

          memory/3452-9-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/4404-12-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download

          memory/4404-14-0x0000000074A30000-0x00000000751EC000-memory.dmp
          Download