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Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 04:37

General

  • Target

    2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe

  • Size

    74KB

  • MD5

    581331e4c561ee5820abb2bd8bea892e

  • SHA1

    39d0668b20665ce8489fcb4200d46c0478f7e611

  • SHA256

    b711f8556bfbf5dcce9aabec7c1bc9a236c3064134b66bb9ce8509dd7763388a

  • SHA512

    73f55951723bb665258c62f48144f157e3571c18b039c15ad646b5004a29e3ce77f3a26408b6c44189ab9e0dd203189c8d737af6a61e3d1690139a3d30f0f98b

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zk:9Uj+AIMOtEvwDpjLizbR9Xwzk

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_581331e4c561ee5820abb2bd8bea892e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:3608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    58e0872d3e4af0b4b64b8cbcd1e4bd45

    SHA1

    a7279856e16f9aa6fc039511e986016e972ab61a

    SHA256

    89550387a47f5cba1308aa03dc11564e798bec637eef4343f3efe2bdab7eceb8

    SHA512

    69348239f458aedd4f874d26ce5035e6b81b9c129520a9400166a44696370dd545fd2aa909b6a6ee0912366e8297276d9ec6020ae29ff4220d628aa9dc2afe12

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1696-0-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1696-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/1696-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/3608-18-0x0000000000870000-0x0000000000876000-memory.dmp

    Filesize

    24KB

  • memory/3608-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB