Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 12:00

General

  • Target

    2024-06-03_dbb555a7453dc4070d3b80b3f17f843a_cryptolocker.exe

  • Size

    73KB

  • MD5

    dbb555a7453dc4070d3b80b3f17f843a

  • SHA1

    2b2d4872dc252a84c9bcc04290c376038c6aeb63

  • SHA256

    7bf7aba02b153fb482dfcae85db0e2d8e114b702626eaed177c0a10849b6d834

  • SHA512

    de0e17ccaa70dbc7dc6b9ebdfcca1a0d064d332732de37ed554ae59b5984fb1c39e9025ce70c88b5eeb644bd806b867765a698af821564c5298efe02fc9bba3e

  • SSDEEP

    768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsPj:u6QFElP6n+gWMOtEvwDpjJGYQbb

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\2024-06-03_dbb555a7453dc4070d3b80b3f17f843a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-03_dbb555a7453dc4070d3b80b3f17f843a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    826aebc146fd5e1305f80259b82ff49e

    SHA1

    f1dc566bacb2d3a14b6d056c9409d81d1b96fef0

    SHA256

    5f79eb94fd598b49c5d33935d3f73c7ffbe11cf131cd23453eeabc02ca77337e

    SHA512

    45691b2136258943c635c053022cd14db9a2636eb2c9040c902b50e8fcf72d21361fc637d6ef1f152051690b49e40e1f8f3ad111f7f3e14d6ea55dfea47e935e

  • memory/2204-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2204-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2204-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB