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Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2024, 03:05

General

  • Target

    2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe

  • Size

    43KB

  • MD5

    da72b791a2ca4b9135c4f4d54329513c

  • SHA1

    0e6577b063ffcf8a87c59f3feeeea2ad93757850

  • SHA256

    713c304e108557f27b20324b907676fbd8f2a04263807e26714bf314e1ed739d

  • SHA512

    268c334d88679d3e42a07d2fd9bcec810187701062d96af665ed2d2c19d2cb91693d5ce823c93809a0cee7d66cea7b39345a652fef51877e24865c92f01776f7

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95W6:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFl

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\2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_da72b791a2ca4b9135c4f4d54329513c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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:320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    e49eb963a61b8b3d37fcc3b75a2ad24b

    SHA1

    05871341c720cc3e9216ffd3a114117bee753207

    SHA256

    e892d013832e0452fa7b9ef477a4fde8971b175f24bd12fbee0e0bd4744b8aa6

    SHA512

    248d59f9938a2c98fd7292e07bc8c964249d426a8095b8ef7b884958167b167523ebb7f93b53c666606338f185f681e04d9c86d29e91604932f755d59ef687bb

  • memory/2512-1-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2512-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2512-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB