Overview

overview

10

Static

static

10

6cdd270a2b...18.exe

windows7-x64

10

6cdd270a2b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 19:21

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General

  • Target

    6cdd270a2bad95c8a063a9fe876f6c454f2b5219164c476e2bf94350ab050618.exe

  • Size

    73KB

  • MD5

    75e679528300f0eec2aab97faf87a0b1

  • SHA1

    5f5e310edf9b08693a31003a91071b5b4b7bfd39

  • SHA256

    6cdd270a2bad95c8a063a9fe876f6c454f2b5219164c476e2bf94350ab050618

  • SHA512

    7b051d593aa6c20ec50018c56f834388345f025c2e5257cd0c887aeb15f6e6302e57c91b3009ae65a5456aef3c338a5603bda45240eaa325e7636475fe01d935

  • SSDEEP

    768:btF3S1PK+iPDVwir9JSIEZvkYIuu7tkA1+BSrv7mqb2nyHpwH1oQWM4Vp8GX90P7:BkKhJ2ZsYCnn/bb5weMrGX90+t3VclN

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    3

  • install

    true

  • install_file

    MicrosoftEdgeUpdate.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/ZnhxAV6a

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
    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 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\6cdd270a2bad95c8a063a9fe876f6c454f2b5219164c476e2bf94350ab050618.exe
    "C:\Users\Admin\AppData\Local\Temp\6cdd270a2bad95c8a063a9fe876f6c454f2b5219164c476e2bf94350ab050618.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftEdgeUpdate" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftEdgeUpdate" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4840
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8472.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4860
      • C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate.exe
        "C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8472.tmp.bat
    Filesize

    163B

    MD5

    f8e580163bec3de8b1ac03f512682e29

    SHA1

    16a8e9c333d33de9f01f0ff4290f6194003ede3b

    SHA256

    293e2f8ca46e2b3d87655327cbff2c350fd5e3f69e5bb0dcfa3d7f150734d4bb

    SHA512

    4dab8ce65cd020b657864f1b3d40553bd8e42838090bb3c95d03f1ad9b1787fadf1fc295350a8378e87a7ea143240e751e720624d16960e70d296bfda21f658b

    Download Submit

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

    73KB

    MD5

    75e679528300f0eec2aab97faf87a0b1

    SHA1

    5f5e310edf9b08693a31003a91071b5b4b7bfd39

    SHA256

    6cdd270a2bad95c8a063a9fe876f6c454f2b5219164c476e2bf94350ab050618

    SHA512

    7b051d593aa6c20ec50018c56f834388345f025c2e5257cd0c887aeb15f6e6302e57c91b3009ae65a5456aef3c338a5603bda45240eaa325e7636475fe01d935

    Download Submit

  • memory/2972-0-0x00007FFF46BB3000-0x00007FFF46BB5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2972-1-0x0000000000C40000-0x0000000000C58000-memory.dmp

    Filesize

    96KB

    Download

  • memory/2972-2-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2972-7-0x00007FFF46BB0000-0x00007FFF47671000-memory.dmp

    Filesize

    10.8MB

    Download