Analysis

  • max time kernel
    96s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 20:44

General

  • Target

    2024-09-08_ee6b43d0d2adec8e454cfa3ab2b9219a_cryptolocker.exe

  • Size

    32KB

  • MD5

    ee6b43d0d2adec8e454cfa3ab2b9219a

  • SHA1

    77f206322b8697565e683b5bedaae106a8772bec

  • SHA256

    32ea176645bbdac3745b88e08466f99d3355142e77d4b66c01115c7a4a143459

  • SHA512

    fe1045a445318e215528e5ff6a74d3d0754c321a9751b0f345f725a7f942d0577192c6233051ae8a22de998c1b5911f2c9737ddcf040240bee9ef57e3a9bd2cf

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdo7:bAvJCYOOvbRPDEgXRcJC

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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-08_ee6b43d0d2adec8e454cfa3ab2b9219a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-08_ee6b43d0d2adec8e454cfa3ab2b9219a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    13538e4a49520440f7ab635819bee6de

    SHA1

    900c8c38fd46a048a9d4e23c9b6f2efa997b22a9

    SHA256

    327cf6a802451a2e3b907d949a66dfc18bca415e2769a67ceb52471b47fcced0

    SHA512

    a835e6721d862dcf37f647be3084587eca8d1e5846e091a21793094300af4f9537c3c652960f729a4c1b9ac77be62edfcd034e3f6d04c3d5ec355ac442e553a2

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

    Filesize

    185B

    MD5

    805cd490aae713e4c44ba10601bce6a3

    SHA1

    13b75d88ab6531667a69f4f23c22bceb5c8f524a

    SHA256

    71711bcd21d325a5ad42d5de497d6f18369ec55603b62292f29e34ebb6450364

    SHA512

    a32ab703abb9525139b8e4743e2fb8cc7d56e86e4bc3be0309a61b1d841a74e41312e8d32d6f0c46091f9184ee7d22b9f26588e2aa022599219e2febecefc1fb

  • memory/1872-25-0x0000000002120000-0x0000000002126000-memory.dmp

    Filesize

    24KB

  • memory/2356-0-0x0000000002260000-0x0000000002266000-memory.dmp

    Filesize

    24KB

  • memory/2356-1-0x0000000002260000-0x0000000002266000-memory.dmp

    Filesize

    24KB

  • memory/2356-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB