General

  • Target

    Payment Copy.exe

  • Size

    492KB

  • Sample

    201230-1gth7fn2s2

  • MD5

    7252677dff6c881ecbab4f53d6c0a344

  • SHA1

    838f0094d88eed0154411b16d5d03b424a272c19

  • SHA256

    e51fe517af7c5e00a484199d6aed86aaec898fabc294c43ac3190c95c770f6e1

  • SHA512

    f1cd2717a731f27addd1eaa6fc5cdd9c57963e8963dcdb57a20ec61225d22787eb9fe66c631eacfb6a76d5d8b2a54c7fd68c0995e52348eb021b6559c90e144b

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

chongmei33.publicvm.com:49746

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:49714

chongmei33.publicvm.com:49703

185.165.153.116:49746

185.165.153.116:2703

185.165.153.116:49714

185.165.153.116:49703

54.37.36.116:49746

54.37.36.116:2703

54.37.36.116:49714

54.37.36.116:49703

185.244.30.92:49746

185.244.30.92:2703

185.244.30.92:49714

185.244.30.92:49703

dongreg202020.duckdns.org:49746

dongreg202020.duckdns.org:2703

dongreg202020.duckdns.org:49714

dongreg202020.duckdns.org:49703

Mutex

word_6SI86kPnk

Attributes
  • aes_key

    Hz9AIk2iuw31bDO3o1GepDyHZ5vVJkGp

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    SEPT G8

  • host

    chongmei33.publicvm.com,185.165.153.116,54.37.36.116,185.244.30.92,dongreg202020.duckdns.org,178.33.222.241,rahim321.duckdns.org,79.134.225.92,37.120.208.36

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    word_6SI86kPnk

  • pastebin_config

    null

  • port

    49746,2703,49714,49703

  • version

    0.5.7B

aes.plain

Targets

    • Target

      Payment Copy.exe

    • Size

      492KB

    • MD5

      7252677dff6c881ecbab4f53d6c0a344

    • SHA1

      838f0094d88eed0154411b16d5d03b424a272c19

    • SHA256

      e51fe517af7c5e00a484199d6aed86aaec898fabc294c43ac3190c95c770f6e1

    • SHA512

      f1cd2717a731f27addd1eaa6fc5cdd9c57963e8963dcdb57a20ec61225d22787eb9fe66c631eacfb6a76d5d8b2a54c7fd68c0995e52348eb021b6559c90e144b

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Tasks