Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 04:30

General

  • Target

    2024-09-19_99258125853fc1184494d72162e523ab_cryptolocker.exe

  • Size

    32KB

  • MD5

    99258125853fc1184494d72162e523ab

  • SHA1

    e0118cb02ab519c490c29d3c3e1489052cbf57c6

  • SHA256

    fc5c74f531dfeba53d4ec2192d6b2f720b34cff7213e8b60bb2e4672ebe0fd11

  • SHA512

    873a719dfd5788ddee3125c360e7ed2f11fe67c9c72e30d1b7acc41ba1afc3c1287e1d4fa129895226100a24fdeacacf296be34abe4579c6e533f070b9bac357

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdoUAz5:bAvJCYOOvbRPDEgXRcJBAV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-19_99258125853fc1184494d72162e523ab_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_99258125853fc1184494d72162e523ab_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    8f3c4a87f987d2a5ee3de4cd9b4e7ced

    SHA1

    9401d4911aefba08cfad723816c9566d7e9c04dd

    SHA256

    e31369172e0e3f07fdfd6a36d0c54a96d72f81f405506617dd93f5ad74c26e36

    SHA512

    38ce943e06a475bda914ed5787258ad818567d374a769c2d2e328c516a30fbf6f6742cac6b509be0f7abaf311ba8659147b584128ee73e509b45c7315360b3f6

  • memory/1600-8-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/1600-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/1600-0-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB