Resubmissions

11-07-2024 20:44

240711-zjbl5stbjk 7

11-07-2024 20:30

240711-y939easfqk 7

Analysis

  • max time kernel
    451s
  • max time network
    437s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-07-2024 20:30

General

  • Target

    uninstall.exe

  • Size

    55KB

  • MD5

    8734b81542fd303b48b76d9dd32bffa5

  • SHA1

    b541e27138f773cc0515670e8062cfc7405f18fe

  • SHA256

    dd6f42a6a282d56e98eb8885f59453f0dad11494c27b38718c3f9b6aaf5d9170

  • SHA512

    76d5e4688c9260dea0c4c96f64216ac45a7e088b3bc8c283a84dbe57d82e43814e574e2aaef530fd47f8d545df0bac86980471b2d91adf5027e8cdbf65cd3494

  • SSDEEP

    1536:WrnHvdmBiuK8Uidw4TCRIuJw3uLbD875Yg1L7SYaw:knPdzuK8Jdw4TMJw3uLbS5Yg1fSYH

Score
5/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nstF4A3.tmp\System.dll

    Filesize

    12KB

    MD5

    4add245d4ba34b04f213409bfe504c07

    SHA1

    ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    SHA256

    9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    SHA512

    1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

  • C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe

    Filesize

    55KB

    MD5

    8734b81542fd303b48b76d9dd32bffa5

    SHA1

    b541e27138f773cc0515670e8062cfc7405f18fe

    SHA256

    dd6f42a6a282d56e98eb8885f59453f0dad11494c27b38718c3f9b6aaf5d9170

    SHA512

    76d5e4688c9260dea0c4c96f64216ac45a7e088b3bc8c283a84dbe57d82e43814e574e2aaef530fd47f8d545df0bac86980471b2d91adf5027e8cdbf65cd3494