Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2023, 14:54

General

  • Target

    292b04c52f7022f87ca749a55ee51e3a_cryptolocker_JC.exe

  • Size

    92KB

  • MD5

    292b04c52f7022f87ca749a55ee51e3a

  • SHA1

    306a1c427b49af2cc650442b73a614a8b5bd3af2

  • SHA256

    2fb5a1099ee6ed0d680c319e62f71ee1777a1ca3b9867630b229054e4a772b30

  • SHA512

    7dd6d015d2ab232fee15d4c08f4cfe3b7af2dd183ece3af7ef588b007bbd906350858ea7647b9c01565ccedac531879f48ec13653504993cda6b5bea3adf2106

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/Rs580giz6SJ0U/WJpqF:ZVxkGOtEvwDpjcM

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\292b04c52f7022f87ca749a55ee51e3a_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\292b04c52f7022f87ca749a55ee51e3a_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2072
    • 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:1056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          92KB

          MD5

          55fdfe5a2b4295e8692e0572312695e2

          SHA1

          200514d70bd38e1ade4085f31dab03e02a16f1fe

          SHA256

          69e3eb4a0e36b049ef94e177d8f460ac13026d32247376d849f7ca511992b3a1

          SHA512

          b9e8eab7e8cd93424fe28410bebed3c6c1af5849e355c053df8b7f9b160479a6c1f07385d390fb9eb78d3e767fe02c991cd4d1a8eb3f1b75f7800bb45ad8ec71

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

          Filesize

          92KB

          MD5

          55fdfe5a2b4295e8692e0572312695e2

          SHA1

          200514d70bd38e1ade4085f31dab03e02a16f1fe

          SHA256

          69e3eb4a0e36b049ef94e177d8f460ac13026d32247376d849f7ca511992b3a1

          SHA512

          b9e8eab7e8cd93424fe28410bebed3c6c1af5849e355c053df8b7f9b160479a6c1f07385d390fb9eb78d3e767fe02c991cd4d1a8eb3f1b75f7800bb45ad8ec71

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

          Filesize

          92KB

          MD5

          55fdfe5a2b4295e8692e0572312695e2

          SHA1

          200514d70bd38e1ade4085f31dab03e02a16f1fe

          SHA256

          69e3eb4a0e36b049ef94e177d8f460ac13026d32247376d849f7ca511992b3a1

          SHA512

          b9e8eab7e8cd93424fe28410bebed3c6c1af5849e355c053df8b7f9b160479a6c1f07385d390fb9eb78d3e767fe02c991cd4d1a8eb3f1b75f7800bb45ad8ec71

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1056-150-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB

        • memory/1056-153-0x0000000002150000-0x0000000002156000-memory.dmp

          Filesize

          24KB

        • memory/1056-154-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB

        • memory/2072-133-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB

        • memory/2072-134-0x0000000002310000-0x0000000002316000-memory.dmp

          Filesize

          24KB

        • memory/2072-135-0x0000000002310000-0x0000000002316000-memory.dmp

          Filesize

          24KB

        • memory/2072-136-0x0000000002190000-0x0000000002196000-memory.dmp

          Filesize

          24KB

        • memory/2072-151-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB