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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 20:28

General

  • Target

    2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe

  • Size

    84KB

  • MD5

    390d53925e1b5a7d326067ed78cf7e6a

  • SHA1

    483e116d9fc5adfa6b4a4f5858ee2ff16f55f791

  • SHA256

    9d7a0670164d9499a38ab85d505d04958bb046d85f367f02dc0402639faac743

  • SHA512

    9bef7372b4a76318809b2c3d9c43e38db99ebedddf427d965d4293fbb12883378b096e8e0cd3f39df94c63b8a155305bc7bea871a74e620b7fcb87c366683863

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMf:zCsanOtEvwDpjJ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_390d53925e1b5a7d326067ed78cf7e6a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    84KB

    MD5

    30cb60624790d622c8c7395de09e1386

    SHA1

    287b7b84a1f46e8ffba050ad6a33dcf0179fd6ea

    SHA256

    5f3bc58cb984d1bee9b45dfa789e15389083f10da468657e3b1fc2c6ea7b8d5f

    SHA512

    3cd8b19a7010e63e36415d3dc2ff7fec2030bb19ef01d76e053113e15022e3537c1c90ff3ff8a56abb5cba4b6a3255f81dd127d79ec7d6516cd56bd9da74a3c8

  • memory/2452-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2452-1-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2452-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2452-9-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2452-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2456-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2456-25-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2456-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB