Analysis

  • max time kernel
    148s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 18:59

General

  • Target

    bd2f7b22890ba0838cbd19c243195e7efacf5e612a0465194a1ac00800ce94e0.exe

  • Size

    272KB

  • MD5

    bf0cf091125bfd2c3a318ce8bedcf170

  • SHA1

    4c5ecc559a5514e5f843e7743e5b6433733ded9c

  • SHA256

    bd2f7b22890ba0838cbd19c243195e7efacf5e612a0465194a1ac00800ce94e0

  • SHA512

    c5f5929af0204fb32fa75acad175d60a80d4b55d9e37d690dde2edc0b77b95c8d4ce63f82514bc136b33394e3484909f772ef89a4d19fdfba758739a340368ff

  • SSDEEP

    3072:DUEcxbgwmPMVOe9VdQsH1bfFpQAy9ckYMmlB/v6A80XH3e55EVu9cBY:DtwmPMVOaesVb7y5YM6VyA80XHbUe

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

127.0.0.1:6703

147.185.221.21:4449

147.185.221.21:6703

Mutex

ftbmdvxzjxuuvgonhfr

Attributes
  • delay

    1

  • install

    true

  • install_file

    Eaxset.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • VenomRAT 2 IoCs

    Detects VenomRAT.

  • 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 39 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\bd2f7b22890ba0838cbd19c243195e7efacf5e612a0465194a1ac00800ce94e0.exe
    "C:\Users\Admin\AppData\Local\Temp\bd2f7b22890ba0838cbd19c243195e7efacf5e612a0465194a1ac00800ce94e0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Eaxset" /tr '"C:\Users\Admin\AppData\Roaming\Eaxset.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Eaxset" /tr '"C:\Users\Admin\AppData\Roaming\Eaxset.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4828
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA3B2.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1344
      • C:\Users\Admin\AppData\Roaming\Eaxset.exe
        "C:\Users\Admin\AppData\Roaming\Eaxset.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA3B2.tmp.bat

    Filesize

    150B

    MD5

    0985b269031f1fa4f5f6f7839ff47667

    SHA1

    489e3be28e2f7c28e6e85b76a3436bee1b135eb5

    SHA256

    d985ece199c755f1102d6ff78a1fdebc7c64ee866673e9a00fb640e0f07646f8

    SHA512

    1b3b79e29521791af5e4fc937a8536cea6a1fd0ba5a51fa78d0f5699432e250543cb772202390f42ed2e15641d2fc872cf8303227ab631306a0c6323ee9356ad

  • C:\Users\Admin\AppData\Roaming\Eaxset.exe

    Filesize

    272KB

    MD5

    bf0cf091125bfd2c3a318ce8bedcf170

    SHA1

    4c5ecc559a5514e5f843e7743e5b6433733ded9c

    SHA256

    bd2f7b22890ba0838cbd19c243195e7efacf5e612a0465194a1ac00800ce94e0

    SHA512

    c5f5929af0204fb32fa75acad175d60a80d4b55d9e37d690dde2edc0b77b95c8d4ce63f82514bc136b33394e3484909f772ef89a4d19fdfba758739a340368ff

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

    Filesize

    8B

    MD5

    cf759e4c5f14fe3eec41b87ed756cea8

    SHA1

    c27c796bb3c2fac929359563676f4ba1ffada1f5

    SHA256

    c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

    SHA512

    c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

  • memory/4336-0-0x00007FFE73913000-0x00007FFE73915000-memory.dmp

    Filesize

    8KB

  • memory/4336-1-0x0000000000960000-0x00000000009AA000-memory.dmp

    Filesize

    296KB

  • memory/4336-3-0x00007FFE73910000-0x00007FFE743D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4336-8-0x00007FFE73910000-0x00007FFE743D1000-memory.dmp

    Filesize

    10.8MB

  • memory/4336-9-0x00007FFE73910000-0x00007FFE743D1000-memory.dmp

    Filesize

    10.8MB