Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2023 16:42

General

  • Target

    4e469c28041ec163cfdf3a83c5e8f0a8_cryptolocker_JC.exe

  • Size

    94KB

  • MD5

    4e469c28041ec163cfdf3a83c5e8f0a8

  • SHA1

    f6382f4cdeea5e3e15996b65a726fae0e9f5c65f

  • SHA256

    3ed064049902a70f6dbd125b19c8872083e8f37eaef1d8719434c3d3e871a477

  • SHA512

    865714b245cc46a1242ead2d38545365e75ad24190ce988945096bd07fc71d904d68a6de59c3ab005682492c5b456e9fa72211075dc53e698a1357fc3af18e12

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNuj2GQi82W:V6a+pOtEvwDpjtzH

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\4e469c28041ec163cfdf3a83c5e8f0a8_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\4e469c28041ec163cfdf3a83c5e8f0a8_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    95KB

    MD5

    b5d08e369851ec21f6a552960d548d2b

    SHA1

    36b6882fdd0ce0ff6c3ec16785c847e72369fa23

    SHA256

    5a2f20847a9008ea37e36ba5b76befb6bae54834b8fec8d970162578e5b54e0b

    SHA512

    5232b1f2e56034c605d8d71bd26d95fd97a75cf9dce93109df3b4d97c277146968a924f27feee7b682d9cda9317ce8414ffa9e6bfd56d33454932795f9e38674

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

    Filesize

    95KB

    MD5

    b5d08e369851ec21f6a552960d548d2b

    SHA1

    36b6882fdd0ce0ff6c3ec16785c847e72369fa23

    SHA256

    5a2f20847a9008ea37e36ba5b76befb6bae54834b8fec8d970162578e5b54e0b

    SHA512

    5232b1f2e56034c605d8d71bd26d95fd97a75cf9dce93109df3b4d97c277146968a924f27feee7b682d9cda9317ce8414ffa9e6bfd56d33454932795f9e38674

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

    Filesize

    95KB

    MD5

    b5d08e369851ec21f6a552960d548d2b

    SHA1

    36b6882fdd0ce0ff6c3ec16785c847e72369fa23

    SHA256

    5a2f20847a9008ea37e36ba5b76befb6bae54834b8fec8d970162578e5b54e0b

    SHA512

    5232b1f2e56034c605d8d71bd26d95fd97a75cf9dce93109df3b4d97c277146968a924f27feee7b682d9cda9317ce8414ffa9e6bfd56d33454932795f9e38674

  • memory/1516-54-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1516-55-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/1516-57-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2228-69-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2228-70-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB