Overview

overview

10

Static

static

10

1da953ea66...b9.exe

windows10-2004-x64

10

1da953ea66...b9.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/07/2026, 12:04

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General

  • Target
    1da953ea662ac3b2e001f6c06dd970208ee508b53b1c2380295f5040360191b9.exe
  • Size 45KB
  • Sample260711-n8ybnabw21
  • SHA256 1da953ea662ac3b2e001f6c06dd970208ee508b53b1c2380295f5040360191b9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • schijndelse.nl:80

  • schijndelse.nl:22

  • schijndelse.nl:8080

  • schijndelse.nl:8880

  • schijndelse.nl:2052

  • schijndelse.nl:2082

  • schijndelse.nl:2086

  • schijndelse.nl:2095

  • schijndelse.nl:443

  • schijndelse.nl:2053

  • schijndelse.nl:2083

  • schijndelse.nl:2087

  • schijndelse.nl:2096

  • schijndelse.nl:8443

  • www.schijndelse.nl:80

  • www.schijndelse.nl:22

  • www.schijndelse.nl:8080

  • www.schijndelse.nl:8880

  • www.schijndelse.nl:2052

  • www.schijndelse.nl:2082

Mutex

  • xhvqwnyJkgtK

Attributes
  • delay

    0

  • install

    true

  • install_file

    08f4roh.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).

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1da953ea662ac3b2e001f6c06dd970208ee508b53b1c2380295f5040360191b9.exe
    "C:\Users\Admin\AppData\Local\Temp\1da953ea662ac3b2e001f6c06dd970208ee508b53b1c2380295f5040360191b9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "08f4roh" /tr '"C:\Users\Admin\AppData\Roaming\08f4roh.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "08f4roh" /tr '"C:\Users\Admin\AppData\Roaming\08f4roh.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1265.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3804
      • C:\Users\Admin\AppData\Roaming\08f4roh.exe
        "C:\Users\Admin\AppData\Roaming\08f4roh.exe"
        3⤵
        • Executes dropped EXE
        PID:5080
  • C:\Users\Admin\AppData\Roaming\08f4roh.exe
    "C:\Users\Admin\AppData\Roaming\08f4roh.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4724

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1265.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp1265.tmp.bat
        • Size 151B
        • SHA256 178990fe1d3809a56575fa69567284d34436308e9f2f449abb753510f6449d95
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        08f4roh.exe
        • Path C:\Users\Admin\AppData\Roaming\08f4roh.exe
        • Size 45KB
        • SHA256 1da953ea662ac3b2e001f6c06dd970208ee508b53b1c2380295f5040360191b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3684-0-0x00000000744B2000-0x00000000744B3000-memory.dmp
        Download

        memory/3684-1-0x00000000001C0000-0x00000000001D2000-memory.dmp
        Download

        memory/3684-2-0x00000000744A0000-0x0000000074C5C000-memory.dmp
        Download

        memory/3684-3-0x0000000004BA0000-0x0000000004C3C000-memory.dmp
        Download

        memory/3684-9-0x00000000744A0000-0x0000000074C5C000-memory.dmp
        Download

        memory/4724-12-0x0000000074490000-0x0000000074C4C000-memory.dmp
        Download

        memory/4724-14-0x0000000074490000-0x0000000074C4C000-memory.dmp
        Download