Overview

overview

10

Static

static

10

Infected.exe

windows7-x64

10

Infected.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 05:28

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General

  • Target

    Infected.exe

  • Size

    63KB

  • MD5

    465ede1eb1f9dc421b1a16fa413be9dc

  • SHA1

    156743b43466b25ba4bcf80fa94fd69092a98e0a

  • SHA256

    ac411f526ad10937acd9adf0e2342b6cf807efc8da8ccb1efffbbc26baf0d5d3

  • SHA512

    9048d86d340d3cf10e958d5949b0ee41672a07c5244c34ea5d94542f27bd92f94babdda049573b866aa4b2cec0940b5724f932a7df35b640c57d7d3af6f48ec4

  • SSDEEP

    768:SZzGUy/pr78PIC8A+XXlazcBRL5JTk1+T4KSBGHmDbD/ph0oXrPXpxmskXiSu0dP:YkphzdSJYUbdh9txmtXVu0dpqKmY7

Score
10/10
asyncratwhatrat

Malware Config

Extracted

Family

asyncrat

Botnet

What

C2

127.0.0.1:1337

127.0.0.1:26550

147.185.221.24:1337

147.185.221.24:26550
Attributes
  • delay

    3

  • install

    true

  • install_file

    Windows Defender.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
    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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Infected.exe
    "C:\Users\Admin\AppData\Local\Temp\Infected.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windows Defender" /tr '"C:\Users\Admin\AppData\Roaming\Windows Defender.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4888
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD810.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4136
      • C:\Users\Admin\AppData\Roaming\Windows Defender.exe
        "C:\Users\Admin\AppData\Roaming\Windows Defender.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD810.tmp.bat
    Filesize

    160B

    MD5

    633ca79c9afb0de17b78f9eec118c50d

    SHA1

    e74f190370dac55476178a7d3253a2bf097609db

    SHA256

    694d3bcb1589109fbb95c30fb955b4fc9fffe2c71628bd12cbccda3f3b4acd70

    SHA512

    9b7b51d9339031559a5b13ba10035b9dd167d48d954d8f8debb3cb208da1de6502c8ae19817f82c50eb643c5eb33e52f78a22d805c1892331f50888b4ef85d47

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Windows Defender.exe
    Filesize

    63KB

    MD5

    465ede1eb1f9dc421b1a16fa413be9dc

    SHA1

    156743b43466b25ba4bcf80fa94fd69092a98e0a

    SHA256

    ac411f526ad10937acd9adf0e2342b6cf807efc8da8ccb1efffbbc26baf0d5d3

    SHA512

    9048d86d340d3cf10e958d5949b0ee41672a07c5244c34ea5d94542f27bd92f94babdda049573b866aa4b2cec0940b5724f932a7df35b640c57d7d3af6f48ec4

    Download Submit

  • memory/4924-0-0x00007FFFAEA13000-0x00007FFFAEA15000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4924-1-0x0000000000590000-0x00000000005A6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4924-2-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4924-7-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4924-8-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

    Filesize

    10.8MB

    Download