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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/04/2024, 12:02

General

  • Target

    2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe

  • Size

    94KB

  • MD5

    cc1a18fabb960c215d97fc94d8965877

  • SHA1

    ecfe1ea4540642428b6d1579c92b1910b858c86a

  • SHA256

    d819174d1c295682a4d192fd28759a2f6920fae132ebb07c49f787d7a787d3be

  • SHA512

    4476be96162cfaffbfd56a716b4d110e4f05290f3235af3856e896e77377135eea24b953317c139f061c55617e99006277c518f0b412748d547f769b1a5eea5a

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgo:V6a+pOtEvwDpjtzE

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\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    94KB

    MD5

    a0a055586aabe1e277e54ba968193993

    SHA1

    83c842b99f8faf0455fe15d34a4947719c1242a7

    SHA256

    17e92511b42a13e09f31e2ae34d6828d07a8245cd0b96efa0b42a3c7e28679f7

    SHA512

    0fe9eb71309d1c36373814d6c9ab5d07d0a3a2e08ec3f19ed95fafa3e249eb146bb5c8a9478600dd91464e5bc025ec6cd396c2c25d0ae0b01e58880f3ffbe21d

  • memory/1284-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/1284-21-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2156-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2156-1-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2156-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB