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Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2024, 04:24

General

  • Target

    2024-10-14_0d7b3a1febfeb0c7032989b21994d3f7_cryptolocker.exe

  • Size

    60KB

  • MD5

    0d7b3a1febfeb0c7032989b21994d3f7

  • SHA1

    755e466b614767425a39781f64cc5277c54b2fb4

  • SHA256

    73b9bdb7c3196804821a03b1983c908a2342b82f0031f056e2cc87149a2137da

  • SHA512

    315d24762d4b592fe81792e1973e9b496fe5cf3b2916e06fba6911cdfa8e9034097bd78d7e9afed8c119cf33a3c3a14c7f37bda70faa51f4d60519ed3819dee5

  • SSDEEP

    768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP3qp:H6QFElP6n+gou9cvMOtEvwDpjCpVXhp

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-10-14_0d7b3a1febfeb0c7032989b21994d3f7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_0d7b3a1febfeb0c7032989b21994d3f7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2424
    • 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:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    77deaabc2fc0a079170e7d89db6e03e9

    SHA1

    72507ab5ffb3e42de9ebaf8c329b2cc218a99769

    SHA256

    8f6e179b77d591d9f6aa019fc48014a2d5e0d9c12288431d00f1f8d35d250cf9

    SHA512

    727b25ac6f84d67b4d7d5670a4497b3cc3fa453878968882ac19a21eaef0222e7d0bb24f3641870ce0c94569975720589dadc091dab3a23bf77c375990d93744

  • memory/2424-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2424-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2424-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2424-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2424-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2804-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2804-24-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2804-25-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB