Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 16:11

General

  • Target

    be08a8b0481b31792ceeb376014c5928_cryptolocker_JC.exe

  • Size

    36KB

  • MD5

    be08a8b0481b31792ceeb376014c5928

  • SHA1

    72cbc05db0a7c6e454dce78df9b8232304c8bf5e

  • SHA256

    23eec827a40997ff1b25ee3150e56c4f51b986ad3e8d0f438bc76d2c286bc368

  • SHA512

    82b9b0138d911f937e14729db524b8c679e942e14ce64160cf7a00050d1344f1dace140e84aff6ff0860b18dd3cdbca4fec18f3e861dc231e9f18f9d1b6decaf

  • SSDEEP

    384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOO+:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh64

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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be08a8b0481b31792ceeb376014c5928_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\be08a8b0481b31792ceeb376014c5928_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    d270444389759524f0d2462d20bed367

    SHA1

    4959ee409caa005c57f6ab9dbb0fb7afe0b794f3

    SHA256

    5fdac61f13b97567b01fd24f569e7c56519cc944520c7128568dd407cda7c950

    SHA512

    6eab45d42c858b354a9e6ecc9c7f179a80c5f294ea37b0f8066b532a027be6e3699342c2235535da8b3c5acb3a28169edd5eb0e06a6be4b26a470de9efc9219f

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

    Filesize

    36KB

    MD5

    d270444389759524f0d2462d20bed367

    SHA1

    4959ee409caa005c57f6ab9dbb0fb7afe0b794f3

    SHA256

    5fdac61f13b97567b01fd24f569e7c56519cc944520c7128568dd407cda7c950

    SHA512

    6eab45d42c858b354a9e6ecc9c7f179a80c5f294ea37b0f8066b532a027be6e3699342c2235535da8b3c5acb3a28169edd5eb0e06a6be4b26a470de9efc9219f

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

    Filesize

    36KB

    MD5

    d270444389759524f0d2462d20bed367

    SHA1

    4959ee409caa005c57f6ab9dbb0fb7afe0b794f3

    SHA256

    5fdac61f13b97567b01fd24f569e7c56519cc944520c7128568dd407cda7c950

    SHA512

    6eab45d42c858b354a9e6ecc9c7f179a80c5f294ea37b0f8066b532a027be6e3699342c2235535da8b3c5acb3a28169edd5eb0e06a6be4b26a470de9efc9219f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1496-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1496-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1496-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-1-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/2552-2-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/2552-3-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/2552-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB