Overview

overview

10

Static

static

10

PantiBootStrapper.exe

windows7-x64

10

PantiBootStrapper.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    20s
  • max time network
    22s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2025, 16:52

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General

  • Target

    PantiBootStrapper.exe

  • Size

    74KB

  • MD5

    843f9a8b2e3284b06d2d343cbcf5a884

  • SHA1

    da31933428722d65568ead0f7b20b72ba423680e

  • SHA256

    3e8a98ded7fab1daa8a07a2a035f28a2e4f3404f79d59285ac6f11180d1211d4

  • SHA512

    4b2751733006050154d7ff9bb77d70cbf39705041ca5a3c53b752b06f7a9ef197575a93ef3d4ba21fd853c598add7591c7f8b8176d43eb444900668f56f6b694

  • SSDEEP

    1536:JUKkcx9pXCTyPMVvWC+I4H1bF/5RAMQzc6LVclN:JUDcx958yPMVvWCwH1bFfQrBY

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

195.88.218.126:2404

Mutex

mojnuowhevbf

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.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
  • 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 25 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\PantiBootStrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\PantiBootStrapper.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5012
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8BF4.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2184
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8BF4.tmp.bat
    Filesize

    151B

    MD5

    38d4750e4bf846200e49d45505c021f2

    SHA1

    9f49889df385839f7c6fc0d12462d7437c887efe

    SHA256

    8befc4b45dbb07eb9f4e2e1ff39965e56a03d8f1d0fedecbbcd3c7b5752b2b9b

    SHA512

    90c9c8a1ebda7ab02ac2580565f29367ee96dc753b778d3fc7c55487542622190a83a1b98fe178b9280eb8df51a6dca808b6b501d0745b9bc3c071b71f43ebce

    Download Submit

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

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

    Download Submit

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

    74KB

    MD5

    843f9a8b2e3284b06d2d343cbcf5a884

    SHA1

    da31933428722d65568ead0f7b20b72ba423680e

    SHA256

    3e8a98ded7fab1daa8a07a2a035f28a2e4f3404f79d59285ac6f11180d1211d4

    SHA512

    4b2751733006050154d7ff9bb77d70cbf39705041ca5a3c53b752b06f7a9ef197575a93ef3d4ba21fd853c598add7591c7f8b8176d43eb444900668f56f6b694

    Download Submit

  • memory/3184-0-0x00007FF98C823000-0x00007FF98C825000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3184-1-0x0000000000080000-0x0000000000098000-memory.dmp

    Filesize

    96KB

    Download

  • memory/3184-3-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-8-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download