General

  • Target

    Client.exe

  • Size

    158KB

  • Sample

    240801-lv85wsyfpb

  • MD5

    c9b05ce95678b667df6592f2c3377038

  • SHA1

    e4d39867452c5fbbc9cd8a260d31fcf0d780073f

  • SHA256

    c914cd27a6ab9740086e3c8cc4ff26316315b6c91edd96f18c7ecb60161cd656

  • SHA512

    58be1ebf5b3b6daad04bfae7120780a07b0f09b88cd0717a65f6447c416ee166a61c26d72e77c7f7100e7fc83a601c790e1be699c839708dca4c7a93f20ce46f

  • SSDEEP

    3072:KbzOH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPLxO8Y:KbzOe0ODhTEPgnjuIJzo+PPcfPL88

Malware Config

Extracted

Family

arrowrat

Botnet

test

C2

and-statements.gl.at.ply.gg:43442

Mutex

URuzXlMdC

Targets

    • Target

      Client.exe

    • Size

      158KB

    • MD5

      c9b05ce95678b667df6592f2c3377038

    • SHA1

      e4d39867452c5fbbc9cd8a260d31fcf0d780073f

    • SHA256

      c914cd27a6ab9740086e3c8cc4ff26316315b6c91edd96f18c7ecb60161cd656

    • SHA512

      58be1ebf5b3b6daad04bfae7120780a07b0f09b88cd0717a65f6447c416ee166a61c26d72e77c7f7100e7fc83a601c790e1be699c839708dca4c7a93f20ce46f

    • SSDEEP

      3072:KbzOH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPLxO8Y:KbzOe0ODhTEPgnjuIJzo+PPcfPL88

    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

    • Modifies WinLogon for persistence

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks