Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 08:31

General

  • Target

    MedicareSign/MedicareStart.exe

  • Size

    8.6MB

  • MD5

    679368412fd482fe978a21313d2a89c5

  • SHA1

    6267e3e28881a462d91ec8e558d2988ef8030b6b

  • SHA256

    beffe9a402b7721009674866ad773008c90b6af543973abdfb81391af4eb7146

  • SHA512

    2f730f6d77d951ede98653b362f8affa331588bf21a60539a60eee23d912ec5d73ca2a05b69e7e7c047b2c264b8b2c260b4f866515238ffbc2b60a1c11b6270c

  • SSDEEP

    196608:x/lCUxPzli/Aj+D70ajqqRVkmSEg8uW4BLFeQAizx:x/lCU1Q/Aj+D70ajqqRVzS9vW43zx

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

C2

41.216.183.111:4449

Mutex

kcnzlaqzjkle

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Async RAT payload 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MedicareSign\MedicareStart.exe
    "C:\Users\Admin\AppData\Local\Temp\MedicareSign\MedicareStart.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/544-0-0x0000000074B30000-0x0000000074C7C000-memory.dmp

    Filesize

    1.3MB

  • memory/544-1-0x0000000002D70000-0x0000000002D71000-memory.dmp

    Filesize

    4KB

  • memory/544-2-0x0000000003DC0000-0x0000000003EC0000-memory.dmp

    Filesize

    1024KB

  • memory/544-3-0x000000007318E000-0x000000007318F000-memory.dmp

    Filesize

    4KB

  • memory/544-4-0x0000000006490000-0x00000000064A8000-memory.dmp

    Filesize

    96KB

  • memory/544-6-0x00000000065E0000-0x0000000006B84000-memory.dmp

    Filesize

    5.6MB

  • memory/544-5-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB

  • memory/544-8-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB

  • memory/544-9-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB

  • memory/544-10-0x0000000006DB0000-0x0000000006E42000-memory.dmp

    Filesize

    584KB

  • memory/544-11-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB

  • memory/544-12-0x0000000006E60000-0x0000000006E6A000-memory.dmp

    Filesize

    40KB

  • memory/544-15-0x0000000061E00000-0x0000000061EB8000-memory.dmp

    Filesize

    736KB

  • memory/544-14-0x0000000074B30000-0x0000000074C7C000-memory.dmp

    Filesize

    1.3MB

  • memory/544-13-0x0000000000400000-0x0000000000D04000-memory.dmp

    Filesize

    9.0MB

  • memory/544-16-0x0000000002D70000-0x0000000002D71000-memory.dmp

    Filesize

    4KB

  • memory/544-17-0x0000000003DC0000-0x0000000003EC0000-memory.dmp

    Filesize

    1024KB

  • memory/544-18-0x000000007318E000-0x000000007318F000-memory.dmp

    Filesize

    4KB

  • memory/544-19-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB

  • memory/544-23-0x0000000073180000-0x0000000073930000-memory.dmp

    Filesize

    7.7MB