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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
    09/03/2024, 02:45

General

  • Target

    2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe

  • Size

    63KB

  • MD5

    96c9ed0aeb6f6c88495922b80105900e

  • SHA1

    f935c5f3d77bcae91fe085c3a7860f0ebdbed019

  • SHA256

    9dbf1be43f0500ccb8dca3cc760c3b5cfa0b9d6e85d566c07366d6ba18afe63e

  • SHA512

    05249740f6d034d5c2879328e1686f76531eaaaf7bac20ecf482c5aa7fb5d91b78afbfef8283c29186fcb620cc985fb9960ef311e680616d7bfe6e79b9a7c353

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEM1:6j+1NMOtEvwDpjr8ox8UDE8

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\2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-09_96c9ed0aeb6f6c88495922b80105900e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    82cffb3799fc21c9853cf874759ca398

    SHA1

    ca05cd5c767231d46a8355e2f8ffb0b09121e65c

    SHA256

    08077a3cc15ed9f3372fac07e632c7925b000f4014cd977df3e0aa17ea8155c6

    SHA512

    a30ebabe749a6413e18312c629ce12a2aa72922dd26a4f6b4b4093ded3f6169f427307353585199c5a42d15f7f19c7ebae14f72850a55ae77a9dcb4d3bb87cb2

  • memory/1924-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1924-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1924-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1924-3-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/1924-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1996-18-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/1996-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1996-19-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1996-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB