Analysis

  • max time kernel
    30s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 12:17

Errors

Reason
Machine shutdown

General

  • Target

    2024-09-05_eba9f5bb968d097c484a5e04a9b2bfaf_cryptolocker.exe

  • Size

    47KB

  • MD5

    eba9f5bb968d097c484a5e04a9b2bfaf

  • SHA1

    b5486790b55395cd61679a8b97b6825889da024d

  • SHA256

    546eb34fff98c829cd14aaac4cc94a829b354c2a810daffbeb7a849148e0cfa3

  • SHA512

    b1f462baa649f5d7d1e75e27944fbfba6960d3e99f504dee3a873cb47a806dd9195c72002e34d78214cd3b0e0ff9cb4ae11adb19425342b5777011ea2a291864

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJl2:6j+1NMOtEvwDpjrRraJI

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\2024-09-05_eba9f5bb968d097c484a5e04a9b2bfaf_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_eba9f5bb968d097c484a5e04a9b2bfaf_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1484
    • 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:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    1293aef33bbafd0abfe86a72104c3d5c

    SHA1

    52b8eb119e33c07bdc9224e283be4102eb32bc12

    SHA256

    6fc208a4132c9d7cbf21ecda6e45e2113fe69267fd6660b48231ebf206b99355

    SHA512

    5bfe12642dcafc796549601d7ff76742e789bcd6e53bf0f10e2ad29f0da48cda8787be03687b31b2286168f662c47a9bb29e65137d637f6530ea0434abd4c1b4

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1484-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1484-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1484-2-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1484-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/1484-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2924-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/2924-20-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/2924-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB