General

  • Target

    Client.exe

  • Size

    158KB

  • Sample

    240805-kw9blswapf

  • MD5

    e3341ad596ed6da038c798b1fee80556

  • SHA1

    35605ab4ac5b1dc51d833dc7175d6d0799868989

  • SHA256

    f2da736864510afba0fde1579316395f4566408d14f7aaac6776feee79cbf589

  • SHA512

    4a56f3af287723358a402024fbcfee23a6160e470c853c93473a7343687d19698cfb87d600b68209d58a1329413cd2b2200e571470b130ce832ab69dae80530e

  • SSDEEP

    3072:hbzIH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPtqO8Y:hbzIe0ODhTEPgnjuIJzo+PPcfPtV8

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

147.185.221.21:35374

Mutex

SROLcnhMO

Targets

    • Target

      Client.exe

    • Size

      158KB

    • MD5

      e3341ad596ed6da038c798b1fee80556

    • SHA1

      35605ab4ac5b1dc51d833dc7175d6d0799868989

    • SHA256

      f2da736864510afba0fde1579316395f4566408d14f7aaac6776feee79cbf589

    • SHA512

      4a56f3af287723358a402024fbcfee23a6160e470c853c93473a7343687d19698cfb87d600b68209d58a1329413cd2b2200e571470b130ce832ab69dae80530e

    • SSDEEP

      3072:hbzIH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPtqO8Y:hbzIe0ODhTEPgnjuIJzo+PPcfPtV8

    • ArrowRat

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

    • 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