Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 05:49

General

  • Target

    2024-01-09_0d714451ec4f94bb001f2cff7cd2faa3_cryptolocker.exe

  • Size

    61KB

  • MD5

    0d714451ec4f94bb001f2cff7cd2faa3

  • SHA1

    760cf7b21c36152a3134f3865f47ec17594b5dce

  • SHA256

    5e589823236dba7303df7d4cf725df4293572d713256cfea3f87b3e9336db5ed

  • SHA512

    5c4b234d606c5fb253bcba352e86fc73dc7c6a2f50d93fa0c27b52cb7bc33592a336f4cc180485e08c922320c76fbee1714da9ba6a2be5d2551a2fff84d5a02e

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293y:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7E

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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-09_0d714451ec4f94bb001f2cff7cd2faa3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-09_0d714451ec4f94bb001f2cff7cd2faa3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2216-19-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2536-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2536-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2536-0-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB