Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 00:50

General

  • Target

    2024-10-18_c5df63c3bb7c57fcf52ed1675c412a8e_cryptolocker.exe

  • Size

    45KB

  • MD5

    c5df63c3bb7c57fcf52ed1675c412a8e

  • SHA1

    93bf56173db893c9e77cb69164ae1a472eff4d32

  • SHA256

    37bff25a9264e6c12319c838bffd25e015ff63121700c4669415b427c780cd95

  • SHA512

    d1fb999c18ef5d3d8b4fd4e1645170f906395faf0934fd5a745968a4659a5ce91a24eb9a1b04ae53d5010d165c663d1133246cd9bb8f94a2b4e7d4faab720f51

  • SSDEEP

    384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/Bdz7:XS5nQJ24LR1bytOOtEvwDpjNbP/b3

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-18_c5df63c3bb7c57fcf52ed1675c412a8e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_c5df63c3bb7c57fcf52ed1675c412a8e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1008
    • 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:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    b6ab2359a014c9bed6dac9de3a85d64f

    SHA1

    059abe36b14753c9cca9e794e905c16c6eb34d7c

    SHA256

    e843f124271863924cc010f26751d619bdbebbfae734b1dd8e1345b15252e270

    SHA512

    868bcdaad2d151eeb7c212067df9735eddc28390bfdf44fb6c22ea5fb616b9f8c24e4359311d20a598374ba7cfa67be57f61b6676f2cff7ff575b59b5c2b065d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1008-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1008-1-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/1008-2-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/1008-3-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB

  • memory/1008-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1876-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1876-21-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1876-52-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB