Analysis

  • max time kernel
    92s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2024, 06:52

General

  • Target

    2024-11-21_8b922baa642287ecefa90313f19a07f4_cryptolocker.exe

  • Size

    70KB

  • MD5

    8b922baa642287ecefa90313f19a07f4

  • SHA1

    e832aaf073c8d50c3709e470fdea0c31cbab1f14

  • SHA256

    1bf4e754ed8f41724eac413e1ca663d1155c19ce794451e6f0a92b95f8c73ee4

  • SHA512

    175dd54104d0ad41842f96d81020f0cac90af432b9caed43b9a0edf76a772ed9c278372c43b9108e079078e3697ed776bb4120511bf1f5ea0a1e6f7a8336f9f3

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpE0P/xFI0tSbj:6j+1NMOtEvwDpjr8ox8UDEpN/jhOj

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\2024-11-21_8b922baa642287ecefa90313f19a07f4_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_8b922baa642287ecefa90313f19a07f4_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3012
    • 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:4712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    7fe01425f6d5c991f391eef13a2bd011

    SHA1

    19f3e5a24b34a1475f369f757081d80307b4c53d

    SHA256

    09d9619f4f876ea32aa6a8a80be03d7c74845e5a6f89a67f719ffdd1bbd3b73e

    SHA512

    398a48c4403c8387b386611f2e694459c4d19a72e020c1c25fce2120234e92608325c4568134babbc5588276da86b40f5553b29cf98ba023c3c65e1da91779f1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3012-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3012-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3012-2-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3012-3-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/3012-19-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4712-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4712-20-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/4712-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB