Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 05:57

General

  • Target

    2024-01-10_d160f249a0bc3fa180bd974c567fcc01_cryptolocker.exe

  • Size

    38KB

  • MD5

    d160f249a0bc3fa180bd974c567fcc01

  • SHA1

    0cedddc933a7e09caf8d13b624f3282ddac77c21

  • SHA256

    2996c6be7cb1ee46b08e8ebc977bf1053f4b839dcaee0e590ae0e1dd0ee77c49

  • SHA512

    48ef1fa4866407df3e687a60f4c4337503a0ae5f37f07dd02412c80c7271e246ee81f724bc430c5b644c23b5aad45bf495a0ea423ff04f408a2c96cc751ab9da

  • SSDEEP

    384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZ95d9hV8:bgX4zYcgTEu6QOaryfjqDDw3sCu529hS

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-10_d160f249a0bc3fa180bd974c567fcc01_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-10_d160f249a0bc3fa180bd974c567fcc01_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    2KB

    MD5

    80fff9554cf1e05f614821603e482eb5

    SHA1

    6921bd25702946ac817a49dbaeecdef700c38b30

    SHA256

    cbaf8a5fa71e70b0943d77cd4b41108bf92fdaf3ff57b35ad1ce93f81c599c8e

    SHA512

    accf91a76050bc1814eda1bfd0dab538b6aaef2278f96c90bbbdb2152306587074f1e330e66cc41f96c1080ff4c0a3a539329721ace9ab498a6368aae6c548d5

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

    Filesize

    31KB

    MD5

    346a2b64380cfae30361df2f0bb6adeb

    SHA1

    20c4a0905bbcecc2f893345ba59e2215f76d6bcb

    SHA256

    377908164782362ee679eeb21c9cc80022b9306e274046eaea1111d2e6c1c26d

    SHA512

    c092e4aec1ca136400d84128e3dd599e3b37a91dcdd2c8a719c5f6b2b16fb13748ac88d643b61aac771b148320f6c1d919a66a85a84115315835cc2420955679

  • memory/2392-0-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2392-8-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2392-1-0x0000000000410000-0x0000000000416000-memory.dmp

    Filesize

    24KB

  • memory/2716-15-0x0000000000570000-0x0000000000576000-memory.dmp

    Filesize

    24KB

  • memory/2716-18-0x0000000000550000-0x0000000000556000-memory.dmp

    Filesize

    24KB