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Analysis

  • max time kernel
    1790s
  • max time network
    1796s
  • 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, 17:21

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 behavior: GetForegroundWindowSpam 1 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:1940
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\vmKQo7Le.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Users\Admin\AppData\Local\Temp\vmKQo7Le.exe
        C:\Users\Admin\AppData\Local\Temp\vmKQo7Le.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vmKQo7Le.exe

    Filesize

    52KB

    MD5

    322ecb9be3f75448810cfd4728de57c4

    SHA1

    f67d9253877f66079bb1239f3d54c9b6edb4276b

    SHA256

    221df89d89fc3d8f058264f219b520025ed99103e2f8ede6a5b0fa104ba544a8

    SHA512

    05b6835cfe3ffe10423188e47927f3a8682b818d5eef1fca5f3dc0515c7c2960dae9902b850e0c4047a9b6839d2b667887424bff4a28e85a637ab71530b89ea9

  • memory/1940-15-0x00007FF645090000-0x00007FF6450B5000-memory.dmp

    Filesize

    148KB

  • memory/4660-5-0x00007FFA20193000-0x00007FFA20195000-memory.dmp

    Filesize

    8KB

  • memory/4660-6-0x0000029B51CD0000-0x0000029B51CE2000-memory.dmp

    Filesize

    72KB

  • memory/4660-8-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-11-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-13-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-14-0x00007FFA20193000-0x00007FFA20195000-memory.dmp

    Filesize

    8KB

  • memory/4660-16-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-17-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB

  • memory/4660-18-0x00007FFA20190000-0x00007FFA20C51000-memory.dmp

    Filesize

    10.8MB