Analysis

  • max time kernel
    95s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 03:36

General

  • Target

    2024-09-14_51f143e3ff68a9c4b57677eb04e9efc5_cryptolocker.exe

  • Size

    50KB

  • MD5

    51f143e3ff68a9c4b57677eb04e9efc5

  • SHA1

    e5c7cb2d9b05fa9c457d4ae4a00e27c781b97478

  • SHA256

    a25e79d80ed3bdc4bcd7b62873cdb21a3393da1c1d11ceff414738f7a57985d1

  • SHA512

    a0e5f908abd6d996448faee058bdd7ef0122318c183c4beb62a724dc0d69b92eb5a5449dbde4a66c84814d0221700d36f951fae65d6a5f1629e9f02e98297bde

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0n8:vj+jsMQMOtEvwDpj5HczerLO04B3

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\2024-09-14_51f143e3ff68a9c4b57677eb04e9efc5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_51f143e3ff68a9c4b57677eb04e9efc5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3316
    • 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:4036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          50KB

          MD5

          2279276b774109d7dfb2dc8ff06646ea

          SHA1

          7f7a4db7f3a2c185d724ab78edbec89423c8fc61

          SHA256

          945b0fba9a5e1764ae229eae3e1f25f3a4ade792addcd7c56425b2c15629abb4

          SHA512

          7a029bb6aa76441c47bb709571891aea9a5471f7d89adbe6694ce96acd10e36f460fad453acdcbc7da8442b1ddf400f6898665bc11710468d27679203f137524

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3316-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/3316-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/3316-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/4036-17-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB

        • memory/4036-23-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB