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Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2023, 18:01

General

  • Target

    ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe

  • Size

    38KB

  • MD5

    ff5fa0a822ee5e11053c126c17b34b09

  • SHA1

    882d4d5d338565e09236d00f5a511c50fd10140b

  • SHA256

    cfa7b11c2ed9066939d12ef8f3c0c139a5a8bfe868c20cd4af6e8257538b3d8b

  • SHA512

    f15bf7027330d92c012ba907e4493e50eceac34ac040699263dc8db1cf2cb8434d9d87735487e40a5dbd15146ccf1d48b96ea66af9c91201d67b109ed9ae4f0d

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3s1BHRVzDw:V6QFElP6n+gMQMOtEvwDpjeJQyszDw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    c3d9777c7c5cbcc28ab0b0d722c22306

    SHA1

    3c753365407e9ab18d3c34d7143560e2a99a990e

    SHA256

    781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

    SHA512

    97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

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

    Filesize

    39KB

    MD5

    c3d9777c7c5cbcc28ab0b0d722c22306

    SHA1

    3c753365407e9ab18d3c34d7143560e2a99a990e

    SHA256

    781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

    SHA512

    97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

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

    Filesize

    39KB

    MD5

    c3d9777c7c5cbcc28ab0b0d722c22306

    SHA1

    3c753365407e9ab18d3c34d7143560e2a99a990e

    SHA256

    781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b

    SHA512

    97750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8

  • memory/1528-133-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1528-134-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1528-135-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4152-151-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/4152-150-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB