Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2023 15:13

General

  • Target

    80cb3e2a0ac372b76001e6d0c5316b83_cryptolocker_JC.exe

  • Size

    57KB

  • MD5

    80cb3e2a0ac372b76001e6d0c5316b83

  • SHA1

    f899a67f51b92421dc03a19925e063a0a7e0c2ae

  • SHA256

    86aca6964228ea465a7ce38fba1f571aaf6a239e8b0dfd7544d6f148ab504461

  • SHA512

    332d47f4b0277627212c9815a1150de5fc3f33f938a59f7600583a077c80e879f1d31ab744921d425a2b179d766439fbc7e7d7b6a3e03250c87009b0ec2edd51

  • SSDEEP

    768:79inqyNR/QtOOtEvwDpjBK/iVTab3GRuv3VylcbL7uxEUSw:79mqyNhQMOtEvwDpjBPY7xv3gy7ux1Sw

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\80cb3e2a0ac372b76001e6d0c5316b83_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\80cb3e2a0ac372b76001e6d0c5316b83_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    58KB

    MD5

    db0c1bc8b2533a96b09d1b8a2434f4f5

    SHA1

    940cb771e95347a6da3e3dba328636f0679e7fdc

    SHA256

    29b0438efa86b4f3ee821d1f2a04485711b7cf82926a6c9b56b7cd0ca81198dc

    SHA512

    17af18fcfa50a0536f6ac36c5f186c55da3144978e53c37304ab283e09ead956ae8882cacd81fef9f93cfade831d2c86851d5168189ca6dfd9d66d401aab31cd

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

    Filesize

    58KB

    MD5

    db0c1bc8b2533a96b09d1b8a2434f4f5

    SHA1

    940cb771e95347a6da3e3dba328636f0679e7fdc

    SHA256

    29b0438efa86b4f3ee821d1f2a04485711b7cf82926a6c9b56b7cd0ca81198dc

    SHA512

    17af18fcfa50a0536f6ac36c5f186c55da3144978e53c37304ab283e09ead956ae8882cacd81fef9f93cfade831d2c86851d5168189ca6dfd9d66d401aab31cd

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

    Filesize

    58KB

    MD5

    db0c1bc8b2533a96b09d1b8a2434f4f5

    SHA1

    940cb771e95347a6da3e3dba328636f0679e7fdc

    SHA256

    29b0438efa86b4f3ee821d1f2a04485711b7cf82926a6c9b56b7cd0ca81198dc

    SHA512

    17af18fcfa50a0536f6ac36c5f186c55da3144978e53c37304ab283e09ead956ae8882cacd81fef9f93cfade831d2c86851d5168189ca6dfd9d66d401aab31cd

  • memory/2544-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2544-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2544-2-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2544-13-0x00000000006B0000-0x00000000006BF000-memory.dmp

    Filesize

    60KB

  • memory/2544-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2544-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2764-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2764-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2764-19-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/2764-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB