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Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2024, 17:19

General

  • Target

    xrp.exe

  • Size

    136KB

  • MD5

    0d08e05884330a38020985c58e14e3af

  • SHA1

    40703991414f435a13d1da2879edeba05e2a6f4a

  • SHA256

    afe70b3c28c52a2f90f0bfca93e335008cf06eb1c14d1b161ebf25754c6c81ac

  • SHA512

    b7ac3707a6e7a6152c0694f1b5e44ac45522ebf94720664e91b4a66f4bcafa918d88f2ba3d233acfdd2466652dc6a3d85f980621a254165760705ea4b7d42c14

  • SSDEEP

    1536:tGAUgKrkSIWXgB7DIHYSf6GpcEApEXJjh0Nq9tAIGpdnJWZjN52QR0+GoxhoMyn6:tGAUBgSdG7e305mxrSk

Malware Config

Extracted

Family

asyncrat

Version

v1.2.0

Botnet

Default

C2

192.252.186.220:56003

192.252.186.220:3534

192.252.186.220:43985

Mutex

igsnloedblkziu

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#.

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xrp.exe
    "C:\Users\Admin\AppData\Local\Temp\xrp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3104
      • C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe
        C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BtRp61k7.exe

    Filesize

    52KB

    MD5

    b3f5422006291ef27db335983a29acf4

    SHA1

    86e2cf8a9db62435f68caca32030265a22f3152a

    SHA256

    6f7eb9f2c040ca90b0b5c4410d6ef19a447c858147031628cfaca56ac18bed75

    SHA512

    2dc00a116c555c44206e08f02c914ee03fed1b0ad5c984368891134cba07a07aa377161e9380b7ab8857829b4110456c6961573596bb6c453c5b1402a9ad1359

  • memory/2320-15-0x00007FF7C06B0000-0x00007FF7C06D5000-memory.dmp

    Filesize

    148KB

  • memory/3528-5-0x00007FF9E83A3000-0x00007FF9E83A5000-memory.dmp

    Filesize

    8KB

  • memory/3528-6-0x000001D728A40000-0x000001D728A52000-memory.dmp

    Filesize

    72KB

  • memory/3528-8-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB

  • memory/3528-11-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB

  • memory/3528-12-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB

  • memory/3528-14-0x00007FF9E83A3000-0x00007FF9E83A5000-memory.dmp

    Filesize

    8KB

  • memory/3528-16-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB

  • memory/3528-17-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB

  • memory/3528-18-0x00007FF9E83A0000-0x00007FF9E8E61000-memory.dmp

    Filesize

    10.8MB