Analysis

  • max time kernel
    154s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:25

General

  • Target

    db01b04e3e4505f3bc5c70d77f1c2e4bce2a1c0390f8edecad0f843cff2a8d49.exe

  • Size

    180KB

  • MD5

    001dac0390a4ec1b0e7438aef424df40

  • SHA1

    92aa25d5bb949f93fb85a5373c31018c960c4e69

  • SHA256

    db01b04e3e4505f3bc5c70d77f1c2e4bce2a1c0390f8edecad0f843cff2a8d49

  • SHA512

    8352710a68bc39cf3147638feb85169acf110ec537feb11c2f7356678b21f3868e33d1ac384791ee73a84dcc55a0596381bdda313e40b7f7fee290fda03c0806

  • SSDEEP

    3072:YNcoen92EVB9/mHVQ/934fkr5CuT8G+ufJyKu8soP:YNmn92EVre1Q/t4fi5CuT8G+ub

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 58 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db01b04e3e4505f3bc5c70d77f1c2e4bce2a1c0390f8edecad0f843cff2a8d49.exe
    "C:\Users\Admin\AppData\Local\Temp\db01b04e3e4505f3bc5c70d77f1c2e4bce2a1c0390f8edecad0f843cff2a8d49.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\yuecouy.exe
      "C:\Users\Admin\yuecouy.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\yuecouy.exe

    Filesize

    180KB

    MD5

    6789bf6d5ff60c978f01ade246e05a4f

    SHA1

    e85acfe982ad492839ef7feb4f03834cbf25b95d

    SHA256

    ded1faa74952d827d0d3d1518f746d360d5918c7777bf1f3c64239121fb8b239

    SHA512

    57404309134d8ff50f556bbda6f31edebdca3f5dfc0d6af629ed70bcba4667d17e7bfe28f46e1690035c69512adbafe5d9e183f104bbe56ccd4836417bef013e

  • C:\Users\Admin\yuecouy.exe

    Filesize

    180KB

    MD5

    6789bf6d5ff60c978f01ade246e05a4f

    SHA1

    e85acfe982ad492839ef7feb4f03834cbf25b95d

    SHA256

    ded1faa74952d827d0d3d1518f746d360d5918c7777bf1f3c64239121fb8b239

    SHA512

    57404309134d8ff50f556bbda6f31edebdca3f5dfc0d6af629ed70bcba4667d17e7bfe28f46e1690035c69512adbafe5d9e183f104bbe56ccd4836417bef013e

  • \Users\Admin\yuecouy.exe

    Filesize

    180KB

    MD5

    6789bf6d5ff60c978f01ade246e05a4f

    SHA1

    e85acfe982ad492839ef7feb4f03834cbf25b95d

    SHA256

    ded1faa74952d827d0d3d1518f746d360d5918c7777bf1f3c64239121fb8b239

    SHA512

    57404309134d8ff50f556bbda6f31edebdca3f5dfc0d6af629ed70bcba4667d17e7bfe28f46e1690035c69512adbafe5d9e183f104bbe56ccd4836417bef013e

  • \Users\Admin\yuecouy.exe

    Filesize

    180KB

    MD5

    6789bf6d5ff60c978f01ade246e05a4f

    SHA1

    e85acfe982ad492839ef7feb4f03834cbf25b95d

    SHA256

    ded1faa74952d827d0d3d1518f746d360d5918c7777bf1f3c64239121fb8b239

    SHA512

    57404309134d8ff50f556bbda6f31edebdca3f5dfc0d6af629ed70bcba4667d17e7bfe28f46e1690035c69512adbafe5d9e183f104bbe56ccd4836417bef013e

  • memory/1056-59-0x0000000000000000-mapping.dmp

  • memory/2040-56-0x0000000075D61000-0x0000000075D63000-memory.dmp

    Filesize

    8KB