Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 00:41

General

  • Target

    2024-10-15_540028fb19f2f34da329c7d73f97c29e_cryptolocker.exe

  • Size

    56KB

  • MD5

    540028fb19f2f34da329c7d73f97c29e

  • SHA1

    1569c365dd815c8c3345a41327c4bdc5cc6622cd

  • SHA256

    4ddead3816329b6f9799c697c8cca0fae3865942d7a53bd6f3ff31541c99d6af

  • SHA512

    13ed2b82e4cff14c21a101140c622857999e9b2bf439ae663e7ba380e856d7df52a6f375ac901c3f837101bfc2d463e060ef43101460ce5645be9987d1d83269

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMKm/:TCjsIOtEvwDpj5HE/OUHnSMe

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\2024-10-15_540028fb19f2f34da329c7d73f97c29e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-15_540028fb19f2f34da329c7d73f97c29e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1908
    • 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:3132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    56KB

    MD5

    bc705f724a4f867b92b7937c66db8bd2

    SHA1

    d9d4451e42329e71a9b4ccb69afc43ea02f3eb7b

    SHA256

    dfcc606a046d89f7275bf71e0b9668a4753f7f63ed6fb13826c80d917d31cdd3

    SHA512

    63b1917eb051de9b285dce7f7e4d8363edabeb651dcef1b6358de7fc3f39afe134e4d846d0e276d08f43541f3477355e09b02f21be31786ea6aec35c23f3d3df

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1908-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1908-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/1908-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/1908-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/1908-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3132-19-0x0000000000720000-0x0000000000726000-memory.dmp

    Filesize

    24KB

  • memory/3132-20-0x0000000000740000-0x0000000000746000-memory.dmp

    Filesize

    24KB

  • memory/3132-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB