Overview

overview

10

Static

static

10

2fcdea9691...ae.exe

windows10-2004-x64

10

2fcdea9691...ae.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    45s
  • max time network
    55s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/04/2025, 19:46

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General

  • Target

    2fcdea969160b033554d4b6c357f4dba20b83fb4dbec4763a908c6e981ba1eae.exe

  • Size

    62KB

  • MD5

    852c0a85fbd6d9d052676efe8f12d69e

  • SHA1

    a828267cbe343c93f9453b28206ea259b9e02917

  • SHA256

    2fcdea969160b033554d4b6c357f4dba20b83fb4dbec4763a908c6e981ba1eae

  • SHA512

    26d2d61c5bb9258116ed94012186ea2c9666b301e1a76892401c11b2f649a30b1cb9dc5679d98293ff797eaaa49ecede09fb1ded8ce41e433660113dde3dc672

  • SSDEEP

    1536:C5gfnNsYMnl70qDzZeeCglUGbbXw6qO06HGTkpqKmY7k:C5gfnNsYMnl7XzMep+GbbXB9Svz3

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.0.1

Botnet

Default

C2

127.0.0.1:8848

127.0.0.1:31880

111.180.190.199:8848

111.180.190.199:31880
Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    msedgewebview2.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
  • 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
    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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\2fcdea969160b033554d4b6c357f4dba20b83fb4dbec4763a908c6e981ba1eae.exe
    "C:\Users\Admin\AppData\Local\Temp\2fcdea969160b033554d4b6c357f4dba20b83fb4dbec4763a908c6e981ba1eae.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5900
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "msedgewebview2" /tr '"C:\Users\Admin\AppData\Roaming\msedgewebview2.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5796
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "msedgewebview2" /tr '"C:\Users\Admin\AppData\Roaming\msedgewebview2.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3036
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6939.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4536
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:916
      • C:\Users\Admin\AppData\Roaming\msedgewebview2.exe
        "C:\Users\Admin\AppData\Roaming\msedgewebview2.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5188

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6939.tmp.bat
    Filesize

    158B

    MD5

    58a2d514bd9c2fa1eec48434bd155ce7

    SHA1

    c29c499baa594ecf453683af8745686caa82cc87

    SHA256

    54685089195dd7db5f671b88a2e6c3a32e879098f3c41345184457d8fdd8aa9c

    SHA512

    d09e0417bb099855f21a043e3dbbe0a46926c0b95b219dbe5868b9a6e584fe991454d0b62e2ac7be05f3da7c7bd925790be829317ebefeb9d2fe1fc65a4ab65f

    Download Submit

  • C:\Users\Admin\AppData\Roaming\msedgewebview2.exe
    Filesize

    62KB

    MD5

    852c0a85fbd6d9d052676efe8f12d69e

    SHA1

    a828267cbe343c93f9453b28206ea259b9e02917

    SHA256

    2fcdea969160b033554d4b6c357f4dba20b83fb4dbec4763a908c6e981ba1eae

    SHA512

    26d2d61c5bb9258116ed94012186ea2c9666b301e1a76892401c11b2f649a30b1cb9dc5679d98293ff797eaaa49ecede09fb1ded8ce41e433660113dde3dc672

    Download Submit

  • memory/5900-0-0x00007FF859A83000-0x00007FF859A85000-memory.dmp

    Filesize

    8KB

    Download

  • memory/5900-1-0x0000000000D00000-0x0000000000D14000-memory.dmp

    Filesize

    80KB

    Download

  • memory/5900-2-0x00007FF859A80000-0x00007FF85A542000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5900-3-0x00007FF859A80000-0x00007FF85A542000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/5900-8-0x00007FF859A80000-0x00007FF85A542000-memory.dmp

    Filesize

    10.8MB

    Download