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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 20:28

General

  • Target

    2024-10-14_9fba765b2c243324f162306f312fd53a_cryptolocker.exe

  • Size

    48KB

  • MD5

    9fba765b2c243324f162306f312fd53a

  • SHA1

    20cfd8934561f3ba0b2453287224327f161e6fa3

  • SHA256

    32cbf500c9f99340adfe09b94ebd9d314b5f187c0d292558e0ebd1ca475ced19

  • SHA512

    084a94609b43e75be904058cf4ddf63236f0468575aac4d70e074a7bcad2665995fb9f585ec1bcd5ced78048bf43b21e7d7aa6aaa422fea84d2ff1ca5a8b7f6b

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrnhc2eYIO:vj+jsMQMOtEvwDpj5HczerG2eY

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\2024-10-14_9fba765b2c243324f162306f312fd53a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_9fba765b2c243324f162306f312fd53a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2788
    • 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:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    7aad9c921bd316e1465527d9a0101b71

    SHA1

    f5e651eb4f254f2c76f075137942f48728882135

    SHA256

    0de5759f405bb72931a1a8feb665c4c35432c8eab266182aa48f8ad2c25400f2

    SHA512

    60d862a48d80e2d9819c5db57accf32156d9861f0356fec0a10813eb3226170d4ad3ebb3f7e93e7e1f7aa888bba22a7c329e14ad7719c1f5b13862ba82dbeff3

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2788-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2788-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2788-2-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/4992-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4992-18-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB