Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2024 06:00

General

  • Target

    2024-01-09_b69a5ef73c6fa00379ad3ef58993b1a4_cryptolocker.exe

  • Size

    49KB

  • MD5

    b69a5ef73c6fa00379ad3ef58993b1a4

  • SHA1

    75541b5de63822d2c5ebd30b0551594397e86275

  • SHA256

    8cf3398b85dd59f09ddc6f277122f2e5f496802f0312c803d8ef69295d5eac7c

  • SHA512

    d1afe53a4b6441f8029318dc6f62c962a13c824ab1b118e2a4ce2a0f94e2c9bebbb45473a3b12d48193d8311e03ac9469255c9b42feab28dc721f2579be2fa68

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTCFWpzgVf:X6QFElP6n+gJBMOtEvwDpjBtELVf

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\2024-01-09_b69a5ef73c6fa00379ad3ef58993b1a4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-09_b69a5ef73c6fa00379ad3ef58993b1a4_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    12bba6d9ba9ee5842f04ecbeb6de0186

    SHA1

    df107f68c014334a7e19aa181159253fa5905920

    SHA256

    e2466a92c045e9006e15ce64fdc2474b66fd68393a8e04d6839465a66d4a1ed5

    SHA512

    199d486d3f76922fd27e627cc0ce46a9c19be636bafa809044316bb82b46ad0388269d002aefa8c26241057080318abc4b788f22898fa9af241f86aa93bcd891

  • memory/2172-0-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2172-1-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2172-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2296-15-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2296-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB