Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 08:27

General

  • Target

    2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe

  • Size

    48KB

  • MD5

    816cb9d995a962b11c9cc873cc5c643a

  • SHA1

    3e86321c2cce8674e83b126aae75077f39d3f730

  • SHA256

    305dfba9f2f230444ed363e61d64226f86d797c7d78d3a609387f25447527a29

  • SHA512

    c893b71b726500f6031fe2d8c2d09fca45df848c6ac6036321bd1ea43af3e7eda0f5ad62108d498005544e5e9ef37f1ff3c40effa49001870895af131e065804

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrPv:y6QFElP6n+gMQMOtEvwDpjbizbR9XwzL

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_816cb9d995a962b11c9cc873cc5c643a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    1629ae2194992a502896122c823b5127

    SHA1

    32c1aaed67213ece38b9e72a43508111b355e6bb

    SHA256

    c69ad9f8e510e08cb4034774209ff63585e92a043eccf9d0853d6af94ab105ee

    SHA512

    74da66ee806fb95665079f75d521e1a8c78ae3d13263e0ae5ed2baf54acfdc97026d7a5ca67b5ae90bc07fb33914892a055733551db3365942448755d3461d94

  • memory/2060-15-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2060-16-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2500-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2500-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2500-2-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB