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 02:44

General

  • Target

    2024-10-15_73dcc536c67f19a6288dd2f1091f78f0_cryptolocker.exe

  • Size

    78KB

  • MD5

    73dcc536c67f19a6288dd2f1091f78f0

  • SHA1

    1d2846331398e8028c963d74562c969182f5854a

  • SHA256

    066c8bdd29e8850d07f023b188df731086c874368a0dc757786fa40f1f92a174

  • SHA512

    3f6f4ef7b910a506944217836db76a123086f6ea60a6a7c89f48a1f2281310d006a87968bdacae22037d55e022b5426d2416395e24a095bbb2acc3f9b2d18c3a

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KU8:ZVxkGOtEvwDpjcao

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\2024-10-15_73dcc536c67f19a6288dd2f1091f78f0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-15_73dcc536c67f19a6288dd2f1091f78f0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2592
    • 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:4424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    78KB

    MD5

    afe8195f2d3f484443b96cdd32571bf2

    SHA1

    015ee5a99b0e2e91011f8ae539be4f6d6535b239

    SHA256

    d1fbfa0903ce2b011ee11e79feaaf928f76086c5d1377252399c05fbf5c9be97

    SHA512

    6dc72c371c4de3f4a04dd6205bf5ad87bbc3c972d02375594f62fceb54e06248fb2efe64a08273e56b0a3f90d18860175f7b545842ed728b547f1dd241010981

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2592-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2592-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2592-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2592-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/2592-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4424-20-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4424-19-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB