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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 17:27

General

  • Target

    2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe

  • Size

    49KB

  • MD5

    353ee9e7b3e2202ccbdab8c736bf81d8

  • SHA1

    78e25846df478c0de08d661a455e40a4e740d59f

  • SHA256

    21c4511bebd4fc2a23f970409f16c540c4ff7fd76152cd510691a9aa16610a00

  • SHA512

    4f448cc3f9218d916b59eadb4327df0aeaf7e988a8bee61aef894f67df9e8b2392d7ee6ee3c5f84e3984afad8dbda80096b91d6f0401d7a00b192ceb3385f06d

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaSvaB:xj+VGMOtEvwDpjy+TRB

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 IoCs
  • 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\2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    087fac8895cc739f202f71175bc58f7e

    SHA1

    046fba0799db2245e898d3b4a9625d5abbcea609

    SHA256

    cd8ad8f5e6452ec81262bfd9fedef42881e29fc5c86d983e8bf50fece2325634

    SHA512

    f8473a5051af7203b04e2a9b58dd36e881c58ac4bca9e76815a7200ac5c0f0dd6c3e5f2a4a709c830e158b240bc3a7d22b08edb08604a687ca0f6a12cdeff0cf

  • memory/2180-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2180-1-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2180-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2180-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2180-13-0x0000000000640000-0x0000000000650000-memory.dmp

    Filesize

    64KB

  • memory/2180-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2924-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2924-19-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2924-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2924-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB