Overview

overview

10

Static

static

10

447f95e229...c5.exe

windows7-x64

10

447f95e229...c5.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 15:34

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General

  • Target

    447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5.exe

  • Size

    48KB

  • MD5

    a671a69d4e3f7425bf163eae052250ff

  • SHA1

    80c47eae696348b607f5f54ab3101c10c64192ce

  • SHA256

    447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5

  • SHA512

    527a88921d628ffbe1cfbe21f204e3dbf3cea026129c6a9e3d713a82b9c9e6f75155f5da4bfe2f14845d6542cdbe129fa72214b028c4fdc397456d33f789a85b

  • SSDEEP

    768:mbRJZBILLWQ9+jiwtelDSN+iV08Ybygecb+zqBEmyIvEgK/JbZVc6KN:mbRq9wtKDs4zb1pu9xInkJbZVclN

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    Windows Service .exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/T7ujLwLW

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 2 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\447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5.exe
    "C:\Users\Admin\AppData\Local\Temp\447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Service " /tr '"C:\Users\Admin\AppData\Roaming\Windows Service .exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4768
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windows Service " /tr '"C:\Users\Admin\AppData\Roaming\Windows Service .exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1972
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA623.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:536
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3724
      • C:\Users\Admin\AppData\Roaming\Windows Service .exe
        "C:\Users\Admin\AppData\Roaming\Windows Service .exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1536

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA623.tmp.bat
    Filesize

    160B

    MD5

    638140beb8d30c9dc4ba64d8692ba02c

    SHA1

    c42baf9611246a4e15dca64c2283956217dd947a

    SHA256

    61b2648bd316a2e0c46d47e8b393a222fa759c94be04cda8fdc07c2c3b4e9a44

    SHA512

    15591b21c3c237e7cc2399824c1de0f85fb3902acf1c4a737909a78e6552f76a288c89196eb2e1c9c5ff802aa1e75cfe67e93a2521848df1a367f6384ed9e4e9

    Download Submit

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

    48KB

    MD5

    a671a69d4e3f7425bf163eae052250ff

    SHA1

    80c47eae696348b607f5f54ab3101c10c64192ce

    SHA256

    447f95e2299fbab8e30669f1fd5c71b2e69499e25adae3373093c0317f53fdc5

    SHA512

    527a88921d628ffbe1cfbe21f204e3dbf3cea026129c6a9e3d713a82b9c9e6f75155f5da4bfe2f14845d6542cdbe129fa72214b028c4fdc397456d33f789a85b

    Download Submit

  • memory/2992-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2992-0-0x00007FF9D97A3000-0x00007FF9D97A5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2992-2-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2992-7-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

    Filesize

    10.8MB

    Download