Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 07:28

General

  • Target

    2024-03-12_8d4267a88372ef033225b2d63d6e7def_cryptolocker.exe

  • Size

    49KB

  • MD5

    8d4267a88372ef033225b2d63d6e7def

  • SHA1

    96a0a26a784c3b45710cc1e10b4249dcd72bfbda

  • SHA256

    49ffcb061b3e463e11581696a81caa192263827598373ae51dbdf82e2a060900

  • SHA512

    590a21930b984cbeb5798462a6c41e971fcd7b2920dbb3cdcedd7d0f0f15018d84ba18bdc986c276fbfc4a4970434ec40c88ebff727bd17b105f82a3affaaac6

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZd:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLT

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\2024-03-12_8d4267a88372ef033225b2d63d6e7def_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-12_8d4267a88372ef033225b2d63d6e7def_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    ad12774014e0f23c8731ea7114f3439c

    SHA1

    cbb3012942fbc878a538f32a28bcedf578a1051a

    SHA256

    c8ac3cc698b546982325f78d99bc40202c3f83628bbf764b45eeb0b432088d58

    SHA512

    3a9e4e9bf6c0b6f6ac836e6657c88f66a64203c16aff1c009ff99e5e3568dc9daef45e0fa439dbcb1fc04246d0986601e0331720e90a512146f11614d8450afe

  • memory/1624-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1624-1-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/1624-8-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/3012-15-0x0000000000530000-0x0000000000536000-memory.dmp

    Filesize

    24KB

  • memory/3012-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB