Overview

overview

10

Static

static

10

1248c3a6f9...59.exe

windows10-2004-x64

10

1248c3a6f9...59.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 15:39

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General

  • Target
    1248c3a6f90e382912bc547d66ea74af2e00fccefcfcc358fb1f3fc15a28a659.exe
  • Size 45KB
  • Sample260601-s32jcaay8q
  • SHA256 1248c3a6f90e382912bc547d66ea74af2e00fccefcfcc358fb1f3fc15a28a659
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • buomdep.lol:443

  • buomdep.lol:80

  • www.buomdep.lol:443

  • www.buomdep.lol:80

  • codered.buomdep.lol:443

  • codered.buomdep.lol:80

  • sobig.buomdep.lol:443

  • sobig.buomdep.lol:80

  • trisis.buomdep.lol:443

  • trisis.buomdep.lol:80

Mutex

  • 3TcMULQAys3q

Attributes
  • delay

    0

  • install

    true

  • install_file

    3ndn.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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1248c3a6f90e382912bc547d66ea74af2e00fccefcfcc358fb1f3fc15a28a659.exe
    "C:\Users\Admin\AppData\Local\Temp\1248c3a6f90e382912bc547d66ea74af2e00fccefcfcc358fb1f3fc15a28a659.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3ndn" /tr '"C:\Users\Admin\AppData\Roaming\3ndn.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4052
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "3ndn" /tr '"C:\Users\Admin\AppData\Roaming\3ndn.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3168
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3196
      • C:\Users\Admin\AppData\Roaming\3ndn.exe
        "C:\Users\Admin\AppData\Roaming\3ndn.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1168
  • C:\Users\Admin\AppData\Roaming\3ndn.exe
    "C:\Users\Admin\AppData\Roaming\3ndn.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1116

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpF1E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp.bat
        • Size 147B
        • SHA256 e4a4aa302e9fe2498931954a49a25ab345a507eb9efffed5b2cd01a8c3ffc6aa
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        3ndn.exe
        • Path C:\Users\Admin\AppData\Roaming\3ndn.exe
        • Size 45KB
        • SHA256 1248c3a6f90e382912bc547d66ea74af2e00fccefcfcc358fb1f3fc15a28a659
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4948-0-0x0000000000850000-0x0000000000862000-memory.dmp
        Download

        memory/4948-1-0x0000000005360000-0x0000000005370000-memory.dmp
        Download

        memory/4948-2-0x0000000005370000-0x000000000540C000-memory.dmp
        Download