Analysis

  • max time kernel
    145s
  • max time network
    128s
  • 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, 01:37

General

  • Target

    2024-10-18_47a32527096921ccb629f0d89787bb0b_cryptolocker.exe

  • Size

    60KB

  • MD5

    47a32527096921ccb629f0d89787bb0b

  • SHA1

    b9441a20842b5221a0d940c7f796aadd215aeed3

  • SHA256

    cb2703f54eed6eb991a54fdb7a6bf35c24f7ecb66babb89fc8eb30f31bd86a67

  • SHA512

    64115b0c3a5bae503195a628bd815342518e8a610e65e5bc1e993923cf44c4bc0500c9f767cbb9f2a260cb21bd1e3ee8a41df8a5e48132d8214a3cbff9555c8c

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMM:TCjsIOtEvwDpj5HE/OUHnSMD

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\2024-10-18_47a32527096921ccb629f0d89787bb0b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_47a32527096921ccb629f0d89787bb0b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3248
    • 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:4276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    76bf7f57ac2e93421bc671395314c410

    SHA1

    3cf8c406f474fef8b8af2fcdeff018ed19fdf55d

    SHA256

    e7222ee315d36e3becfed197ae4197ecdc45ced34e195fc305e07ac2c09fd610

    SHA512

    b5f95738756bc1371d434fbf9e4e354cd112f0a44919e300e5ad6e2e3fb4901d6f0f682758e95ca218e1e029aed08aa93371dd40e304c3f02a370a389250be99

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3248-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3248-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3248-2-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3248-3-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/3248-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4276-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4276-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4276-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB