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Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 13:22

General

  • Target

    2024-09-04_1fcc79ebd6e7f36785c06c2062b2bc8b_cryptolocker.exe

  • Size

    44KB

  • MD5

    1fcc79ebd6e7f36785c06c2062b2bc8b

  • SHA1

    a00e17cde1c2818e4f7205478d876a791940c807

  • SHA256

    28543ad52a0f9f952f73f0cf372e45b4210cc8d2d901079e428f57dbc6bfbd3d

  • SHA512

    d5aa2f333e6ebe7a6cfe9a3b065dfd7379ab35434ad210f3b8cbbbb912f188ac5cf5e4245c3c198731ee2550ea64b99599b4f07e492949218b45a0191ceace31

  • SSDEEP

    768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1T2:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkL2

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-04_1fcc79ebd6e7f36785c06c2062b2bc8b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-04_1fcc79ebd6e7f36785c06c2062b2bc8b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    44KB

    MD5

    9b600ce5c29c89895dbe3931349660e4

    SHA1

    f0adbd9b29fe2d831ac9c7706ebeef982f5159dc

    SHA256

    632ba3420b29fa20c93f5a8b0d7f7d4da711a3ce5c30545327d3040cd8378bc7

    SHA512

    5a6bbdca94554fee85f72e39213e03664f7c9395b29de1aad9a87914b4ae02e223b4f318820f0e48aebe224896dac9281d73b4baaa961c8527bc8c6a1b476ce7

  • memory/1632-17-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/1632-24-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/1632-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2124-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2124-1-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2124-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2124-9-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2124-14-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB