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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/06/2024, 17:11

General

  • Target

    2024-06-11_cabc3bc67ef00b44411b7c8ca136ddce_cryptolocker.exe

  • Size

    49KB

  • MD5

    cabc3bc67ef00b44411b7c8ca136ddce

  • SHA1

    c5b5138ff8132e2162bc8f0f6b6dd713601c1176

  • SHA256

    565ce462e580140727340b8fb9adc5b9c778f9741c21f85dd22c1426982bb88e

  • SHA512

    c19f63425c33ccbadc95bfd0feda1b027eceea0d25ebb04df40daa65da75ffea1b389a695e3e958e16212b511d36a35cc32453fcbc73595bd5057ed4aca17fd3

  • SSDEEP

    768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkcu:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfu

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 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\2024-06-11_cabc3bc67ef00b44411b7c8ca136ddce_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_cabc3bc67ef00b44411b7c8ca136ddce_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    1185aaa7546f2946c9369fdf3d74d965

    SHA1

    2ba7ec331eda45893fdc60d2340a20fb26be340d

    SHA256

    f4fa786d78a9a905bcc72dee22a2617cec13495d589e89af47d26e8dcb7f0d54

    SHA512

    a131e8a2341f6841d26ddd48f060e44821287495abb6eba879a69702bb8f5eb9b2ddf0afe8c9375a1162ef41a3e6d3d50d998161d82f956a628bcbbf5215cae0

  • memory/1808-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1808-1-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1808-9-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1808-2-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/1808-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2840-17-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2840-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2840-25-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB