Overview

overview

10

Static

static

10

e2c831fb09...73.exe

windows7-x64

10

e2c831fb09...73.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2025 07:47

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General

  • Target

    e2c831fb09b6585f06e3ac919ca50d9aacae0891be133354982c997410fb8673.exe

  • Size

    63KB

  • MD5

    75e5c5859589d7221d6997aa87e84d2c

  • SHA1

    288d747cdddb07eb42da0601987fbefef67a211b

  • SHA256

    e2c831fb09b6585f06e3ac919ca50d9aacae0891be133354982c997410fb8673

  • SHA512

    f00832876c69e2fe52389ceeedd3e8039b276b21e4e6cfefacf6556398772d6209a4a535f3d12319a7dd010c65edddbdf46597f1affed0a6547f2ada272c7532

  • SSDEEP

    1536:lQXDLK88Wi6RHWtUbCh9MkKxbYHuodpqKmY7:l02mi6R2tUbC4ylGz

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

35.159.113.6:1337

Attributes
  • delay

    1

  • install

    true

  • install_file

    DefenderControlWeb.exe

  • install_folder

    %Temp%

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 23 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\e2c831fb09b6585f06e3ac919ca50d9aacae0891be133354982c997410fb8673.exe
    "C:\Users\Admin\AppData\Local\Temp\e2c831fb09b6585f06e3ac919ca50d9aacae0891be133354982c997410fb8673.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "DefenderControlWeb" /tr '"C:\Users\Admin\AppData\Local\Temp\DefenderControlWeb.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "DefenderControlWeb" /tr '"C:\Users\Admin\AppData\Local\Temp\DefenderControlWeb.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3596
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC321.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3844
      • C:\Users\Admin\AppData\Local\Temp\DefenderControlWeb.exe
        "C:\Users\Admin\AppData\Local\Temp\DefenderControlWeb.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DefenderControlWeb.exe
    Filesize

    63KB

    MD5

    75e5c5859589d7221d6997aa87e84d2c

    SHA1

    288d747cdddb07eb42da0601987fbefef67a211b

    SHA256

    e2c831fb09b6585f06e3ac919ca50d9aacae0891be133354982c997410fb8673

    SHA512

    f00832876c69e2fe52389ceeedd3e8039b276b21e4e6cfefacf6556398772d6209a4a535f3d12319a7dd010c65edddbdf46597f1affed0a6547f2ada272c7532

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpC321.tmp.bat
    Filesize

    165B

    MD5

    cfe0b6acbf8cb6556413b9fab453ffef

    SHA1

    7a3e0ffe8acbf4ee27bfefd7ee1ae0fc44a6b9ab

    SHA256

    9214fff1b58bd0b3cbfe4b6b8163f1cb917e0d9c97912de44af19447bd4481b2

    SHA512

    227eb1a231ea549892baa731fd0b3737f6a12fd2c4ef1f1ed7c31cb789a00a5e75d17f143584f7512c38bed4d9a3cd50638ecadbdacefcecaa72cfddf9894593

    Download Submit

  • memory/4200-0-0x00007FFD4F463000-0x00007FFD4F465000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4200-1-0x0000000000950000-0x0000000000966000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4200-2-0x00007FFD4F460000-0x00007FFD4FF21000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4200-7-0x00007FFD4F460000-0x00007FFD4FF21000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4200-9-0x00007FFD4F460000-0x00007FFD4FF21000-memory.dmp

    Filesize

    10.8MB

    Download