Analysis

  • max time kernel
    126s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 11:33

General

  • Target

    7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe

  • Size

    74KB

  • MD5

    c68b658d7ad2d719d3eb54079f401944

  • SHA1

    11308eb4ac8c2ae86249bc56e8a65368fe364be1

  • SHA256

    7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91

  • SHA512

    859679e490591b24549171780515a44bacaa7ad4beb59f6c3a7e65ba13ed57e4144542245b6073058ec35ae69a948c1e934e18fc6ae6cf550fa46a9ce09741f5

  • SSDEEP

    1536:WUrQcxHCapCtGPMVCe9VdQuDI6H1bf/EigBQzciLVclN:WUMcxHCoeGPMVCe9VdQsH1bfPIQzBY

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

79.137.199.150:4449

Mutex

srgopqzzquchkyq

Attributes
  • delay

    1

  • install

    true

  • install_file

    jkfghdhfd.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe
    "C:\Users\Admin\AppData\Local\Temp\7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jkfghdhfd" /tr '"C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jkfghdhfd" /tr '"C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2936
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC7B5.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2552
      • C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe
        "C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jkfghdhfd.exe

    Filesize

    74KB

    MD5

    c68b658d7ad2d719d3eb54079f401944

    SHA1

    11308eb4ac8c2ae86249bc56e8a65368fe364be1

    SHA256

    7648ce1a32114a9bc3aec7db4d7b1638a4792b22f3ecaeee6feafbc94e500e91

    SHA512

    859679e490591b24549171780515a44bacaa7ad4beb59f6c3a7e65ba13ed57e4144542245b6073058ec35ae69a948c1e934e18fc6ae6cf550fa46a9ce09741f5

  • C:\Users\Admin\AppData\Local\Temp\tmpC7B5.tmp.bat

    Filesize

    156B

    MD5

    58b1a105dc2be5b49758a7534ae26732

    SHA1

    0021878d6091e9719597860f4aff02a74b4b06a1

    SHA256

    140ab8b14eb6844435e73bad585df71d99c53bb8884b5a7011c4f112cc270cf2

    SHA512

    f1b744552391ed5298b58909fa9cd5a155c3f2e2b13ccdd659b509d22bcaf0dcca20a7140c659b59924addf26223eaf638be3848cd8bcadf8d115eeecac180ed

  • C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • memory/1724-1-0x00007FF82AE30000-0x00007FF82B0F9000-memory.dmp

    Filesize

    2.8MB

  • memory/1724-0-0x0000000000340000-0x0000000000358000-memory.dmp

    Filesize

    96KB

  • memory/1724-3-0x00007FF82AE30000-0x00007FF82B0F9000-memory.dmp

    Filesize

    2.8MB

  • memory/1724-8-0x00007FF82AE30000-0x00007FF82B0F9000-memory.dmp

    Filesize

    2.8MB

  • memory/1724-9-0x00007FF82AE30000-0x00007FF82B0F9000-memory.dmp

    Filesize

    2.8MB