Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 16:34

General

  • Target

    2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe

  • Size

    75KB

  • MD5

    e652e3bddc276cd5076d14e773410c6d

  • SHA1

    33741f3ce5f3c2004a04a36a0692cc96b8cdb1d7

  • SHA256

    c20300516b4c4475e4a7a010f00976da950e7af258a07aa74526ab94488e0409

  • SHA512

    d88f6f3535ac5b95d58fdb5840d3d9f3ac6d2fb1009f5cd9c05aa19e31220996676e5e4a33fd24bc85029b64acdd225577968a76fa4c33084dfd1b7fc401b8b9

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufE:vCjsIOtEvwDpj5H9YvQd2w

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\2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:528
    • 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:4720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    2f9d30bbf7cc4d36c75b7ce95b2a8524

    SHA1

    6cc6fa15c65d28323d69f19cb2479d6a6df0913b

    SHA256

    8b8a75936bb95f58cc51d9cec3fa35c821aefe2f4e8e96b2047b2ae0dbfbde02

    SHA512

    29273bd620e73f6eb2705f8eada92bd3d0fcb4869d4d8e94299637f4dd5ee55fd5bb291db65dc56e4a1a1234efa36bc182cd1036e5015d90b044661cac521526

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/528-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/528-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/528-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4720-17-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/4720-18-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB