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Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2024, 23:47

General

  • Target

    2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe

  • Size

    37KB

  • MD5

    fed7f2b6574e976f0014cc2cd57ea1e2

  • SHA1

    54c47f63e6b8313d92f132307e8c4d1421273126

  • SHA256

    e21a615cd5bbe78cba2e661162c9cb9a448ad5d9060bc57b318ecd7d04bdf1e8

  • SHA512

    56754f889f45b0ab9007fe7d98f166bc3810dca89e7782a01b4a75c641821dba70fba40a6503bd3e905528cb3ab01960784bbeab779523fdc83aea555ae45be7

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCpUD:X6QFElP6n+gJQMOtEvwDpjBmzDUpg

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\2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    660e77fb5c975ff4d15fcbf11f29b16c

    SHA1

    6e0df95d07b0a967d16210253e5d3bd0f176b2f8

    SHA256

    fa683aa1c3ad81f2c812756ca7cac4771b3b89cb655403f0b968f9d7b14e5eff

    SHA512

    0254ff92eceddb8815a914d2d8b78f2968b0c3ba27ab0c121c8f6b33cf5ac88edee738150cfcc92533c5bbe1a20a4b58cd35575688186f548ccbce2005cb8316

  • memory/2008-0-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2008-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2008-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2708-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/2708-17-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB