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Resubmissions

28/06/2024, 21:31

240628-1dj7rswanm 10

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28/06/2024, 21:23

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28/06/2024, 21:14

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General

  • Target

    test.exe

  • Size

    101KB

  • Sample

    240628-1dj7rswanm

  • MD5

    8eab3abc6963ebf4446c5e5aa559f1d4

  • SHA1

    5901818505035554b05204b2575aebfcde196d35

  • SHA256

    d01b020acbaee9457d161a79b852932cc192a2dde3d47ac14292eab667aee068

  • SHA512

    d55786d83c067fbe8d39537496979b3a3fb92ee87b16f39caa0795c9eef1eb7d354636058569c870a93e8f1888c6f3ee5e75d978dda9b31ae062de47fb306432

  • SSDEEP

    3072:gvGyYiSDnt1lD5ScJk3sVkwqAOOwOfHQ:E41YCQ/lhVOfw

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8848

185.188.183.18:8848

Mutex

DbNvcWoLvbqX

Attributes
  • delay

    1

  • install

    true

  • install_file

    csrss.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      test.exe

    • Size

      101KB

    • MD5

      8eab3abc6963ebf4446c5e5aa559f1d4

    • SHA1

      5901818505035554b05204b2575aebfcde196d35

    • SHA256

      d01b020acbaee9457d161a79b852932cc192a2dde3d47ac14292eab667aee068

    • SHA512

      d55786d83c067fbe8d39537496979b3a3fb92ee87b16f39caa0795c9eef1eb7d354636058569c870a93e8f1888c6f3ee5e75d978dda9b31ae062de47fb306432

    • SSDEEP

      3072:gvGyYiSDnt1lD5ScJk3sVkwqAOOwOfHQ:E41YCQ/lhVOfw

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Async RAT payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks