Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:23

General

  • Target

    2024-11-20_24362fe6c3e23d1d1298b14dcaa3c20a_cryptolocker.exe

  • Size

    74KB

  • MD5

    24362fe6c3e23d1d1298b14dcaa3c20a

  • SHA1

    90cfc218ae6708dcfc43aa9a0505f027417f2307

  • SHA256

    e18d71d70bb6cbe4c2c5176b26e17660805fd42cb3a0dcc6e9510bbc159a8ec8

  • SHA512

    7470dd4676a126e0d405e04a29c267cd1aab3e47b5a4fb3df833bbf0583833a9cb63779ce9d558b66bd09116f9e9de95891ecaab8aecd128abe87e6e649c7edd

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zt:9Uj+AIMOtEvwDpjLizbR9Xwzt

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\2024-11-20_24362fe6c3e23d1d1298b14dcaa3c20a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_24362fe6c3e23d1d1298b14dcaa3c20a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3568
    • 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:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    75KB

    MD5

    9964ddb8ee73f0a4b34becf10500f332

    SHA1

    76c076c0ef6d1841e35ea124de49e5ea6192587b

    SHA256

    eb990fdb316675a2a85aef079acc359928b255585ccbdf05e2ffa8f6e8fc2204

    SHA512

    49ab7e9c8184f408561be792d33ccff70604b2e9feae2e8de0dc3a67b5d1794c6c20385a59bda58ac1fee5bb9bf02b898e5b1bcc097fe2b251b2f1da8adc020d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1856-17-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/1856-23-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/3568-0-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/3568-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/3568-2-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB