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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 14:00

General

  • Target

    2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe

  • Size

    46KB

  • MD5

    a76eb6ace0f085373479a7510e1c463c

  • SHA1

    ba5809d6c19866579888b23a16869312660e9d45

  • SHA256

    82d8c993b1c2fe88368c6370dde458fd21fe9f39558d31bd7d376630306f4fc3

  • SHA512

    8399f00b92259dbb3681ffe47f4848c2f369d8358cb43d3c0c3950781d059ff5eb93b8c6e20ec11bd15754cf06b221bbea3b378b0ee1299b7832364623061b9f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJl2:6j+1NMOtEvwDpjrRraJI

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\2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-20_a76eb6ace0f085373479a7510e1c463c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2388
    • 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:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    f2bd7ec5e374246779c94e403e79d89b

    SHA1

    9f28ffe12d5596c4beb27c307bbc06dcd4b0fe80

    SHA256

    b70f8934a7c022d174cff10ca3902603c642f3b084e1c21adf37d7d6a42df9c7

    SHA512

    8bab47a4d915f7a357490b4bc29c33ec25a55bc1120bc00b89d4bc21049ced8487bfc710ada40a0b790c27af75084dc98f3cec00faf772c5bb293206edc231d7

  • memory/2388-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2388-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2388-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2388-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2388-14-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2776-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2776-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2776-25-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2776-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB