Analysis

  • max time kernel
    78s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 03:51

General

  • Target

    2024-09-12_d5cc968f94624e5a8323f24d2f870c06_cryptolocker.exe

  • Size

    48KB

  • MD5

    d5cc968f94624e5a8323f24d2f870c06

  • SHA1

    70bb01db9ca0777cf619a2a836d45a9d43654369

  • SHA256

    a847c478e1c251e87175eeed451035d2382afc7e074175dc80ad01abce8513e0

  • SHA512

    0e2f3c3cf179169e67d9193688b696585af58b0c59b0e0818672cc233f4504e7e0d91847ee392d827214d77f7bb88c3c07bba2028b82e3b9f937db6ce79315fe

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRhABE:xj+VGMOtEvwDpjy+TRhV

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\2024-09-12_d5cc968f94624e5a8323f24d2f870c06_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_d5cc968f94624e5a8323f24d2f870c06_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3856
    • 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:4764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    a741c7c5cab81fbfb2012472d8ecc254

    SHA1

    a45a3053a3f9e883469e271ad7747d79924e4bbd

    SHA256

    37efd802608b0aa18c750f1b258c30dcaaf47611bc3c054ff1da4a0e969d6f98

    SHA512

    a2b1869e30f98ad355dc5be9a29c91fe7f251aa34881c00f36cd5dd43a7bcbb91e95e80fbeee5994348e7e04b57028532dbb9e4778190fc60b3f8d311a2d0162

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3856-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3856-1-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/3856-2-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/3856-3-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/3856-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4764-19-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4764-20-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4764-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB