Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

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

General

  • Target

    2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe

  • Size

    50KB

  • MD5

    a1744115b9f52280899cc0d5aa6b9904

  • SHA1

    8aa40a9c996873f970dddff7358ccd6bcdc6a0a5

  • SHA256

    fdefe3f5f8ceb7f3013f7b3317550efc7be22140b491b3c4dc8f57155d9d50f7

  • SHA512

    2ab6cb37ccf12797d15f316dd045d32148437b75cdf8b43e2e41b26afc7d836777d40440a01e59531303fb5015b1dc4ad4747e1d3cace7c1c2aa9452c51f5c0f

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nv:vj+jsMQMOtEvwDpj5HczerLO04Bc

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\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_a1744115b9f52280899cc0d5aa6b9904_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    02ccf23763c8e5a329d74234ff851e19

    SHA1

    348c192c3b9ecb9f8a33240399e0b97ff4e7eead

    SHA256

    643d3a2e6073d6c091e2aac4f620606c0bb21ac786cd4e065657d58fc597d5aa

    SHA512

    d57e16b2f8329b75681a1debd88b297743ec935913d29ea0831902b55780a26098be17164b32dd893367d96d67a325e39da9854e63960b615a2f28c03493ed7f

  • memory/1840-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1840-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1840-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2544-15-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2544-22-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB