Analysis

  • max time kernel
    94s
  • max time network
    95s
  • 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 01:22

General

  • Target

    2024-10-14_02536bd081f7b8b589f92e75257440e0_cryptolocker.exe

  • Size

    74KB

  • MD5

    02536bd081f7b8b589f92e75257440e0

  • SHA1

    83f30a5dd2588b87df15d0fd3b97a80b23c48986

  • SHA256

    c349c9d047567cdbc8b885b2a59ad76e51c9bc7d3691406aa07940265c8bffd5

  • SHA512

    e503d16a26294239555020afce0617474c825c179498d3baec4cd4966f911636510bb7cd81bc0037594d4a1bb8f778fb2e1adf85470df266fdd38b55514dee94

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfVtl:vCjsIOtEvwDpj5H9YvQd2d

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 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_02536bd081f7b8b589f92e75257440e0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_02536bd081f7b8b589f92e75257440e0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4700
    • 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:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    b0c0d2a9fc369e3fde31b44a8f71962a

    SHA1

    e0410cf9166e6f6fc643fec1754b8fa1fad180ef

    SHA256

    096f2f9f9a2782c1ebfbc07eb13f10a91f0bbc32b38c55ec82e7fedd7b806a1a

    SHA512

    7770f6ca3f04de393f713edb5cc2b1486936f36de4610aaa39213495b1f0397f7c292a6898b5c67a06444c1fd6f3b472539cbc94ce876f455c3e07b9185ccdc8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2036-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2036-23-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4700-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4700-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4700-2-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB