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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2023, 15:36

General

  • Target

    81b68ac19403f706cd0cb6678b2bc97b_cryptolocker_JC.exe

  • Size

    117KB

  • MD5

    81b68ac19403f706cd0cb6678b2bc97b

  • SHA1

    969b875fdab4d470de3f1c4a8c423853469282e4

  • SHA256

    06fc338df2bdc6038e24069e94f4e9979bd1f3c961d75dac1e2ac51566a9b9e0

  • SHA512

    efff07481f2d9b81274cde1d838befef2040ff3df9399444adb7202d8061f13b54fd64e5c1231494b57aa43ac76ed88d8d5602f8628a23c423efa9f473d93873

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBT2:gUj+AIMOtEvwDpjNbwQEIPlemUhYm

Score
7/10

Malware Config

Signatures

  • 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\81b68ac19403f706cd0cb6678b2bc97b_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\81b68ac19403f706cd0cb6678b2bc97b_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    117KB

    MD5

    e6d45b324069dbeba1ca877918bba414

    SHA1

    3a0bd17db525a3bc355b769a45cd08258c8ae082

    SHA256

    21a2cf10865f22b4dc414eeb38e470ce3474723f98d28eca6a65dcbf41ee836d

    SHA512

    91aadb2cbf74b0b659585d03cc829b9d04d459c2962d7ad3bcbfbe91ee68a0dc6adcd4d4243ab6849270f0959b771eb009f5fb058dcfa5a9f83c35dbfb9652b4

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

    Filesize

    117KB

    MD5

    e6d45b324069dbeba1ca877918bba414

    SHA1

    3a0bd17db525a3bc355b769a45cd08258c8ae082

    SHA256

    21a2cf10865f22b4dc414eeb38e470ce3474723f98d28eca6a65dcbf41ee836d

    SHA512

    91aadb2cbf74b0b659585d03cc829b9d04d459c2962d7ad3bcbfbe91ee68a0dc6adcd4d4243ab6849270f0959b771eb009f5fb058dcfa5a9f83c35dbfb9652b4

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

    Filesize

    117KB

    MD5

    e6d45b324069dbeba1ca877918bba414

    SHA1

    3a0bd17db525a3bc355b769a45cd08258c8ae082

    SHA256

    21a2cf10865f22b4dc414eeb38e470ce3474723f98d28eca6a65dcbf41ee836d

    SHA512

    91aadb2cbf74b0b659585d03cc829b9d04d459c2962d7ad3bcbfbe91ee68a0dc6adcd4d4243ab6849270f0959b771eb009f5fb058dcfa5a9f83c35dbfb9652b4

  • memory/1400-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1400-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/1400-2-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2660-16-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2660-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB