Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    22-08-2023 15:14

General

  • Target

    67bba9128dbcbde0e4fac763b639eb5b_cryptolocker_JC.exe

  • Size

    28KB

  • MD5

    67bba9128dbcbde0e4fac763b639eb5b

  • SHA1

    4f23519f0482d05511e8669223fcf66b37a2df46

  • SHA256

    ab04d0864f9195cadf9610505f4a90bd0d5070ee54629a44b12d89bde63e1735

  • SHA512

    a8c38713810b6083ae57cf18bea49ea9d2aad91f40f7e83d4d2f6315a978be275945366feb28f22bb99ccb3b992878444f423a242236b62d74c65683178d18da

  • SSDEEP

    384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIun3:bA74zYcgT/Ekd0ryfjPIun3

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\67bba9128dbcbde0e4fac763b639eb5b_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\67bba9128dbcbde0e4fac763b639eb5b_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    2922344f0f97c4b3f4c87ce370c992c1

    SHA1

    47b22019d9910d311b76d141e6ce243b9c569c68

    SHA256

    165ea0f443f47ba834f8b52c45dd82565f8da050b0d935ca5578254e5ab6376a

    SHA512

    55d7086f4e8dbceac1a9bb92316e30520c79483343ec12017aa2f64d9a1c95e5dca2d414f6db1e55c6e5562725b204379621e11b6abdcc5cf0695478b900feee

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

    Filesize

    29KB

    MD5

    2922344f0f97c4b3f4c87ce370c992c1

    SHA1

    47b22019d9910d311b76d141e6ce243b9c569c68

    SHA256

    165ea0f443f47ba834f8b52c45dd82565f8da050b0d935ca5578254e5ab6376a

    SHA512

    55d7086f4e8dbceac1a9bb92316e30520c79483343ec12017aa2f64d9a1c95e5dca2d414f6db1e55c6e5562725b204379621e11b6abdcc5cf0695478b900feee

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

    Filesize

    29KB

    MD5

    2922344f0f97c4b3f4c87ce370c992c1

    SHA1

    47b22019d9910d311b76d141e6ce243b9c569c68

    SHA256

    165ea0f443f47ba834f8b52c45dd82565f8da050b0d935ca5578254e5ab6376a

    SHA512

    55d7086f4e8dbceac1a9bb92316e30520c79483343ec12017aa2f64d9a1c95e5dca2d414f6db1e55c6e5562725b204379621e11b6abdcc5cf0695478b900feee

  • memory/1328-54-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1328-56-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1328-55-0x0000000000410000-0x0000000000416000-memory.dmp

    Filesize

    24KB

  • memory/2272-70-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

    Filesize

    24KB

  • memory/2272-69-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB