Overview

overview

10

Static

static

10

83555b5ab0...0f.exe

windows10-2004-x64

10

83555b5ab0...0f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    5s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 03:50

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General

  • Target
    83555b5ab041c73fc3c3218e5d1848602afaba46930bb81e68071a742c3ec50f.exe
  • Size 45KB
  • Sample260712-ed5mtacx5q
  • SHA256 83555b5ab041c73fc3c3218e5d1848602afaba46930bb81e68071a742c3ec50f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexnhu.com:80

  • sexnhu.com:22

  • sexnhu.com:8080

  • sexnhu.com:8880

  • sexnhu.com:2052

  • sexnhu.com:2082

  • sexnhu.com:2086

  • sexnhu.com:2095

  • sexnhu.com:443

  • sexnhu.com:2053

  • sexnhu.com:2083

  • sexnhu.com:2087

  • sexnhu.com:2096

  • sexnhu.com:8443

  • www.sexnhu.com:80

  • www.sexnhu.com:22

  • www.sexnhu.com:8080

  • www.sexnhu.com:8880

  • www.sexnhu.com:2052

  • www.sexnhu.com:2082

Mutex

  • Avi8VSk1G3Nm

Attributes
  • delay

    0

  • install

    true

  • install_file

    baff87n.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 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\83555b5ab041c73fc3c3218e5d1848602afaba46930bb81e68071a742c3ec50f.exe
    "C:\Users\Admin\AppData\Local\Temp\83555b5ab041c73fc3c3218e5d1848602afaba46930bb81e68071a742c3ec50f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "baff87n" /tr '"C:\Users\Admin\AppData\Roaming\baff87n.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5808
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "baff87n" /tr '"C:\Users\Admin\AppData\Roaming\baff87n.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1220
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBE26.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4576
      • C:\Users\Admin\AppData\Roaming\baff87n.exe
        "C:\Users\Admin\AppData\Roaming\baff87n.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5840
  • C:\Users\Admin\AppData\Roaming\baff87n.exe
    "C:\Users\Admin\AppData\Roaming\baff87n.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1672
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3524

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpBE26.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpBE26.tmp.bat
          • Size 151B
          • SHA256 a819fa270db6e53a98dae45bf9d5473ace83eacbb3ea557f74c97553e905a301
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          baff87n.exe
          • Path C:\Users\Admin\AppData\Roaming\baff87n.exe
          • Size 45KB
          • SHA256 83555b5ab041c73fc3c3218e5d1848602afaba46930bb81e68071a742c3ec50f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1672-12-0x0000000074360000-0x0000000074B1C000-memory.dmp
          Download

          memory/1672-14-0x0000000074360000-0x0000000074B1C000-memory.dmp
          Download

          memory/1784-0-0x00000000744E2000-0x00000000744E3000-memory.dmp
          Download

          memory/1784-1-0x00000000006E0000-0x00000000006F2000-memory.dmp
          Download

          memory/1784-2-0x00000000744D0000-0x0000000074C8C000-memory.dmp
          Download

          memory/1784-3-0x0000000005280000-0x000000000531C000-memory.dmp
          Download

          memory/1784-8-0x00000000744D0000-0x0000000074C8C000-memory.dmp
          Download