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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 12:57

General

  • Target

    2024-03-25_bd5b9e293ebde9936211261b70cd6dbf_cryptolocker.exe

  • Size

    47KB

  • MD5

    bd5b9e293ebde9936211261b70cd6dbf

  • SHA1

    5de2b020eb1bf2fd57fde5bc09cee3d364a4b646

  • SHA256

    120a7ed20a3cd2e8633555eb8c54a02e8fc5fec0e79211a515bac0f9af0e9390

  • SHA512

    09c0aa8c5f3aefe13a72b5a6575cd032db024838b9d3b33969409085ef1da58b0659011ed1d154e7c557bc94cd7b1ddc35c52697e23cdc477bf594932dbe19f3

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556Blv0:X6QFElP6n+gJQMOtEvwDpjB0GIWSlv0

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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\2024-03-25_bd5b9e293ebde9936211261b70cd6dbf_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-25_bd5b9e293ebde9936211261b70cd6dbf_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    07696074316244359c97f68844b0c8bb

    SHA1

    702189f38d5e517e646d8497410d8a0c2366b53d

    SHA256

    4732743fd840b7004146ddf9e79b2874a08e988c769876e1ed88749cb5f76f46

    SHA512

    044825172fe5bbd1bc7537197ba5b6f65c3b6101db664fdc31f09d717ee041affc44cba78f83989fa413d459ab56f401619fb7bb33e1fb8e6fa0a5b8f573e2c6

  • memory/2148-15-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2148-22-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2868-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2868-1-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2868-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB