Analysis

  • max time kernel
    33s
  • max time network
    38s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26/08/2024, 07:08

General

  • Target

    2024-08-26_d5ec97e705dd111644b3e2018da57105_cryptolocker.exe

  • Size

    32KB

  • MD5

    d5ec97e705dd111644b3e2018da57105

  • SHA1

    65ba63c48deb5981cf99a8a5f8663bf51d771b9f

  • SHA256

    9134164ebb2561f80dffa9d462b5987caa201089282e0c33057d09cc050300c2

  • SHA512

    fd79ffbadeeca50d891c78834e38e141a1fdaae9151e4f99c7c5cd367ac5f41ff9dfc335b687005aaf305741ce163ff9c84d766656efb67e0fc87e803341308c

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdow:bAvJCYOOvbRPDEgXRcJF

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\2024-08-26_d5ec97e705dd111644b3e2018da57105_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-26_d5ec97e705dd111644b3e2018da57105_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2172
    • 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:2360

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          32KB

          MD5

          728f10efc12c4ed36b9d86117b334bf5

          SHA1

          629958f2bf7222eef04e1de29c297e4ba313c13d

          SHA256

          d9605b2b7427cb20df1d5bbb46023454957fb8716ebfd0e3da1473f9a1ff0c48

          SHA512

          32ddf7e8ab34689689a3b04b809fb8de061d5d084188522918a15fe7d0b2fa074bf502fd205fdfd0eb056d54a790dc2c1f26807fa14d8367df402e2e17bda9e5

        • memory/2172-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

          Filesize

          24KB

        • memory/2172-8-0x00000000001F0000-0x00000000001F6000-memory.dmp

          Filesize

          24KB

        • memory/2172-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2360-16-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB