Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2023 17:19

General

  • Target

    6dc6a9b413134e697f392ab3471f363f_cryptolocker_JC.exe

  • Size

    117KB

  • MD5

    6dc6a9b413134e697f392ab3471f363f

  • SHA1

    9cca9836df36150738082ea939497c96a97004b4

  • SHA256

    6cd929dc4eace5528ed4ee4f04ff4bb32d74d2c4abe7acab0778f9ccf8d3f75b

  • SHA512

    3bf162934118c73417bc934edac4c428db44d24eaa950086d91484c0a015ab2bafb06fdf48a578bb629e543e499630305f538f571ea9c0fd2542652137a8a887

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBT8:gUj+AIMOtEvwDpjNbwQEIPlemUhYs

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\6dc6a9b413134e697f392ab3471f363f_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6dc6a9b413134e697f392ab3471f363f_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4240
    • 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:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    117KB

    MD5

    02edf5c9008e3389aa98d15398e3983d

    SHA1

    b15d87c387c710e307f572f615ddf04676bc2ede

    SHA256

    70fedd1f8a80f741de56df6633276ddcff33042bd7d9cfc701f0759eae12f22a

    SHA512

    eea9df78d32e2e9062c3fbae7d3afde5a5dcf7b9d469ffaed80bbba106ca1a20e77769422e7c844da9af20e1f84857a11acfedc333ac713380f2266be30a1010

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

    Filesize

    117KB

    MD5

    02edf5c9008e3389aa98d15398e3983d

    SHA1

    b15d87c387c710e307f572f615ddf04676bc2ede

    SHA256

    70fedd1f8a80f741de56df6633276ddcff33042bd7d9cfc701f0759eae12f22a

    SHA512

    eea9df78d32e2e9062c3fbae7d3afde5a5dcf7b9d469ffaed80bbba106ca1a20e77769422e7c844da9af20e1f84857a11acfedc333ac713380f2266be30a1010

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

    Filesize

    117KB

    MD5

    02edf5c9008e3389aa98d15398e3983d

    SHA1

    b15d87c387c710e307f572f615ddf04676bc2ede

    SHA256

    70fedd1f8a80f741de56df6633276ddcff33042bd7d9cfc701f0759eae12f22a

    SHA512

    eea9df78d32e2e9062c3fbae7d3afde5a5dcf7b9d469ffaed80bbba106ca1a20e77769422e7c844da9af20e1f84857a11acfedc333ac713380f2266be30a1010

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4072-151-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4072-150-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4240-133-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4240-134-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4240-135-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB