Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2024 12:35

General

  • Target

    2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_cryptolocker.exe

  • Size

    39KB

  • MD5

    7e23282f4b4b2c2a320fcc115ac5dc6b

  • SHA1

    4f949fec39145bd58f6b5ade73e6d19aa7fd964b

  • SHA256

    cb4353f57d6aa4f51aff900a090e86e0d0c18f51df2d797fc1b4c8692d562b02

  • SHA512

    7cdccc47c783d47303ecbc59fa5ed30cdd68556f5092f99eb4fb9b446ea1e8bd926d233a5c91f71483e6a9a48c1aed64c17b8c31b6cc4558cfd8c08cc756dda2

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh67/E:6j+1NMOtEvwDpjrRbE

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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\2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-18_7e23282f4b4b2c2a320fcc115ac5dc6b_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    5b53dbf4bcb7eaa2f356478e9c85e7cd

    SHA1

    4157b9c33241cf0b8782dca49345b5346648d5a7

    SHA256

    67a57bb5f77ded38c9287489cd4e2279abb906bd1221c37f3d3a97aff2737c1c

    SHA512

    becc319eb0a8d64a34cae4044ff275520b65de29bbb3fdd436777e2ab49f20bad26f9438b31dafa8507817ecf9466d80771444861ca645058613343d4b3193da

  • memory/2216-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2216-18-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2216-25-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2216-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2888-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2888-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2888-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2888-3-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2888-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB