Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2023, 18:34

General

  • Target

    9200cb989f9e3bc7359cc10938afe17a_cryptolocker_JC.exe

  • Size

    44KB

  • MD5

    9200cb989f9e3bc7359cc10938afe17a

  • SHA1

    369abb761d99270647673cc53242097f23068fc4

  • SHA256

    f0df91e647abb521eb89125f6619fd00533552ef030467c4572432387205df3a

  • SHA512

    96f7ccfa1144ed56d1d46011f94d22e7618286d8d3e676aad3cf27ac0029c60f9810cc43336ba066ab8028e9b9fdd3561f94d6a669bf48741534eed08435cffc

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A713:vj+jsMQMOtEvwDpj5HczerLON

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9200cb989f9e3bc7359cc10938afe17a_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9200cb989f9e3bc7359cc10938afe17a_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:5080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    cc9a633ee5a8df401af5e34ddaf45967

    SHA1

    5692d8f29bb5faf7fdd48574927a3497211cc03b

    SHA256

    f0143251062107a31a53174f8010ceae55a87a5376c501e92c84aadfa43b1fd6

    SHA512

    55deb1f0942f88951bc840421d5e48b821ee2355101069be9cc612d4224fc5fd9f388f45c3b3bd3fe9eeb6f7e561a93491cb05e8a3ea630a419a7a938f9df82d

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

    Filesize

    44KB

    MD5

    cc9a633ee5a8df401af5e34ddaf45967

    SHA1

    5692d8f29bb5faf7fdd48574927a3497211cc03b

    SHA256

    f0143251062107a31a53174f8010ceae55a87a5376c501e92c84aadfa43b1fd6

    SHA512

    55deb1f0942f88951bc840421d5e48b821ee2355101069be9cc612d4224fc5fd9f388f45c3b3bd3fe9eeb6f7e561a93491cb05e8a3ea630a419a7a938f9df82d

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

    Filesize

    44KB

    MD5

    cc9a633ee5a8df401af5e34ddaf45967

    SHA1

    5692d8f29bb5faf7fdd48574927a3497211cc03b

    SHA256

    f0143251062107a31a53174f8010ceae55a87a5376c501e92c84aadfa43b1fd6

    SHA512

    55deb1f0942f88951bc840421d5e48b821ee2355101069be9cc612d4224fc5fd9f388f45c3b3bd3fe9eeb6f7e561a93491cb05e8a3ea630a419a7a938f9df82d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4928-133-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4928-134-0x00000000021D0000-0x00000000021D6000-memory.dmp

    Filesize

    24KB

  • memory/4928-135-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/5080-151-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/5080-150-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB