Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 02:33

General

  • Target

    2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe

  • Size

    38KB

  • MD5

    7d5a1b578035959b37b7145763209055

  • SHA1

    a390b17e031507772405d77552a0ff13a5228209

  • SHA256

    00f383eaec18cef93137a932f2cea39709aa838512223381118162f133e2e9f0

  • SHA512

    9a6d41c0d32bfcd9316c1243dca2e0058a20223863e0c554ec14eec2b03c2bd7e482f5f2660e72baead58795ff1cbc882998596d2753b1369c32961092b9e31d

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5ax+5:V6QFElP6n+gMQMOtEvwDpjyaYaE

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-03_7d5a1b578035959b37b7145763209055_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5032
    • 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:844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          38KB

          MD5

          e2508bb83274f9577cdb42a8cc620ab3

          SHA1

          7d5f494d455fc850f501a905273fbfdec4d6c4ef

          SHA256

          4dd2407ffcef2b343472c918e617d9ff419862d0beea029fb0fd566e8abb7ff3

          SHA512

          4f81f9323da0fb8ff446ef58bc419dc41b6d3c650a2181ba6a6554ce9b1a5f6494b93c247f32d82853fda198cb4f22d60a4d55e73732b14331473f239305b7b5

        • memory/844-18-0x00000000007D0000-0x00000000007D6000-memory.dmp

          Filesize

          24KB

        • memory/844-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/5032-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/5032-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/5032-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB