Overview

overview

10

Static

static

10

image logger.exe

windows7-x64

10

image logger.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 09:20

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General

  • Target

    image logger.exe

  • Size

    48KB

  • MD5

    505210a90b66dceef47778cafebf7f6d

  • SHA1

    c593d5f8b4aa53c59d2568ba02e935c6a7650a1e

  • SHA256

    4f009430e013267656dca53381d5dbbf0ea5dbb695d87fcf92e8109c836efd58

  • SHA512

    992176faa1c037bdf33dd9686b49d3115f457d7b1de8b9fc36b1e59d85ac1a446ba186941c40e5c6b9da88fd27bd746c026cb028a10004c5d27e6e4419e11c23

  • SSDEEP

    768:TFWgtBBILDmY1+VxiZRkHigH8Ybug0ABsNqT5uvEgK/JfZVc6KN:TFDak8ZRkRzbR0+sNqtunkJfZVclN

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • c2_url_file

    https://Pastebin.com/raw/fevFJe98

  • delay

    1

  • install

    true

  • install_file

    image logger.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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 30 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\image logger.exe
    "C:\Users\Admin\AppData\Local\Temp\image logger.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3088
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2332
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9E72.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:336
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4868
      • C:\Users\Admin\AppData\Roaming\image logger.exe
        "C:\Users\Admin\AppData\Roaming\image logger.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\image logger.exe.log
    Filesize

    425B

    MD5

    fff5cbccb6b31b40f834b8f4778a779a

    SHA1

    899ed0377e89f1ed434cfeecc5bc0163ebdf0454

    SHA256

    b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76

    SHA512

    1a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp9E72.tmp.bat
    Filesize

    156B

    MD5

    4ef72001cf8a2615cc4dcdb0af9b2451

    SHA1

    6a136b96757c12f32dff3b92605b26c21f2c5b4a

    SHA256

    e1990f8df3c5189e414448f44d43a38e2d16d5ec19ebaa1ccf1d89b2d6380f08

    SHA512

    325829a9cced8e93cf94b4f1b1d177a3dd97aced4d8ac933d223e50994bb4b6db405957e68827711051aa1c5d0ab555575192f859737dcb4c6ae1686189ac213

    Download Submit

  • C:\Users\Admin\AppData\Roaming\image logger.exe
    Filesize

    48KB

    MD5

    505210a90b66dceef47778cafebf7f6d

    SHA1

    c593d5f8b4aa53c59d2568ba02e935c6a7650a1e

    SHA256

    4f009430e013267656dca53381d5dbbf0ea5dbb695d87fcf92e8109c836efd58

    SHA512

    992176faa1c037bdf33dd9686b49d3115f457d7b1de8b9fc36b1e59d85ac1a446ba186941c40e5c6b9da88fd27bd746c026cb028a10004c5d27e6e4419e11c23

    Download Submit

  • memory/3332-0-0x00007FFB28113000-0x00007FFB28115000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3332-1-0x0000000000C80000-0x0000000000C92000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3332-2-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3332-7-0x00007FFB28110000-0x00007FFB28BD1000-memory.dmp

    Filesize

    10.8MB

    Download