Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 12:13

General

  • Target

    2024-01-06_9ba8aeeedbccc4ccb55cb3e156a2f81f_cryptolocker.exe

  • Size

    119KB

  • MD5

    9ba8aeeedbccc4ccb55cb3e156a2f81f

  • SHA1

    a2552218ccf6ea181d10162c95770b73c06d37a3

  • SHA256

    ce0c128d0dbd32f87f97c6e49e5c2605f30c8fdb797fc24d98e9d4d6ffdbcfa0

  • SHA512

    21a627bc369fcec647eff78830fdf072445b1416668e4fae4fa4f68afe2108b7a1b56805db9b583a9580bb63ea4072172a42c99cad9ca0c6094fe4e05d7b7940

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZuNlu:gUj+AIMOtEvwDpjNbwQEIPlemUhYpqI

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-06_9ba8aeeedbccc4ccb55cb3e156a2f81f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-06_9ba8aeeedbccc4ccb55cb3e156a2f81f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1812

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          120KB

          MD5

          ace1c4802f8d7e96e22712a2e536d150

          SHA1

          7795ebff11112e5c5733ccceb98a0be509647f53

          SHA256

          f20d68fdba36d6a1404d33a442c6621946822bb733ba2983c2a977614762e815

          SHA512

          d5e30deac0e9f99974837ba6a7ee73c88adf6002cda2781724fa033c8c72ab46555f264799ba9212083736e3585f6ca96202c2c1581569beb01186f676df965a

        • memory/1812-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/1812-15-0x0000000000290000-0x0000000000296000-memory.dmp

          Filesize

          24KB

        • memory/2928-0-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/2928-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

          Filesize

          24KB

        • memory/2928-7-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB