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
    12/09/2024, 05:19

General

  • Target

    2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe

  • Size

    39KB

  • MD5

    c954cb7c198024e103e318fcd7c97b73

  • SHA1

    2fefe77e31d22a187b941da52fea965a5e1e1bb8

  • SHA256

    f5aaafe348b6aa641352e838f5973294d29affc910280a901e46346bd6839b5b

  • SHA512

    7c2cb3de3aa7d9414de5bae31563bb1db7bae53f4b785941584a9df77abfaddf09254e5044d4290617cb9a5c8e7de5c173302511ba324cc38ddfbe1d6f33a0ca

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3LZ:btB9g/WItCSsAGjX7e9N0hunRvt

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.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2508

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          40KB

          MD5

          175a91ea1a7d224c069e7489bb3fd86f

          SHA1

          6037c9fbb27735b4f195593cac1de83a0b8ff900

          SHA256

          fe9355554e449942aed1731434fab27cfceaf03c813e8f732394822194550e17

          SHA512

          4a15c5d5c72ba3bdbfb9909eaac9d2e2535cd8b534e722ed219bfd26bb51f8754c87cfa4a8749b6b8ec2c70ddddef016b0c0f0b3d3eebef0baf64fb4a771db07

        • memory/2508-16-0x0000000000290000-0x0000000000296000-memory.dmp

          Filesize

          24KB

        • memory/2972-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB

        • memory/2972-1-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB

        • memory/2972-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB