Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 05:14

General

  • Target

    2024-04-27_cedd4166f731ba98f69e48cf14477fa1_cryptolocker.exe

  • Size

    60KB

  • MD5

    cedd4166f731ba98f69e48cf14477fa1

  • SHA1

    331fd4d37296dd86ce502b4cd50cd04d275b4f7e

  • SHA256

    9c0e2f17469c885c99d41ce5cad875133f439e8605b6595fe2a4ed2c4442c98f

  • SHA512

    0f3c16b00e12ea9e1f484747d3d635348388ecb8df25e4b77e7c7d21055e7f75d1507aea7e7eacc5c2097425c10ffc2000648e2b0da3d4ff925bc86418c6ed2f

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbtCK:V6a+pOtEvwDpjv0

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\2024-04-27_cedd4166f731ba98f69e48cf14477fa1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-27_cedd4166f731ba98f69e48cf14477fa1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    01be41e9fce7837440cf5432b6a0ccac

    SHA1

    76a1ecfe4ad19de527276e1b201443427361ce35

    SHA256

    d0e6bc553e1357b3d94614aa1615ebcdbbd9cf182a0acf45a8ca12a6c6c6a31f

    SHA512

    d6b6a70d7773ce0b764a9f7069e94e8b2a035c8b4ad64b04551ce0c8ccefc802cd6f9d6ee5a690123d4f8f9616d98966bb3aa3d669c980a7e6ab20cf8e9704f2

  • memory/2036-15-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2036-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2776-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2776-1-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2776-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB