Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:44

General

  • Target

    2024-09-19_229aef38136005d6bc65c9be90339308_cryptolocker.exe

  • Size

    79KB

  • MD5

    229aef38136005d6bc65c9be90339308

  • SHA1

    459b625681fc46e3c761d799ddbdb62ac8f3f040

  • SHA256

    a17e11ef0b4909463061e674d4baeca99fa9fd8c878b60b293c293d9bcc7d50e

  • SHA512

    df77a936e7c8537e58e3f574721dd488186ebd48aec4a8f4b5a561acf1e74baca7923e0d1899e7f9034761cca1bc7e9d4e709600ca960188ae886b99381ea330

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUJ4:ZVxkGOtEvwDpjca14

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\2024-09-19_229aef38136005d6bc65c9be90339308_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_229aef38136005d6bc65c9be90339308_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4368
    • 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:4832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    79KB

    MD5

    f72ed32c7c4027b0fbc362c01024d2ab

    SHA1

    4ccb417eb1adeea134afef387b9b465c323f4ff8

    SHA256

    7e1a0bdab015945c11b57507cc508b8513eff8b6ab16206723c3fd0b59f3376c

    SHA512

    91254fbe0bb22565d890245932f608d21d1d98dddaf31f1832ae1bd9b757b318ed035df563be26c2b10166ce54e72a9d0f9b87c086d925e9b43576f2fb8eada3

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4368-0-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB

  • memory/4368-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4368-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4368-3-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/4368-17-0x0000000000450000-0x0000000000453000-memory.dmp

    Filesize

    12KB

  • memory/4832-19-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4832-25-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB