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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2023, 11:42

General

  • Target

    553f5742fbd5ef3ab1bcbcca3ce32aad_cryptolocker_JC.exe

  • Size

    38KB

  • MD5

    553f5742fbd5ef3ab1bcbcca3ce32aad

  • SHA1

    c708994cf6b88e711736f2b521e5a848cfc7fbac

  • SHA256

    d36cec7a5d50c31cbc0f2519eb4abf5a720ce3ab2007ead283ec3b62bd408887

  • SHA512

    27e871d4e3d434fd3a4ab02c1412ae78250dbdf304ed8dfab3232108aeeb1cb92ab7ceaa8237a45a38416ff191ed14d581c66f6a3e76c2134c82bf0dd24e114a

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8tD+2:vj+jsMQMOtEvwDpj5HyhJ

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\553f5742fbd5ef3ab1bcbcca3ce32aad_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\553f5742fbd5ef3ab1bcbcca3ce32aad_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    91848f61cefe8977cc5828f5c925424d

    SHA1

    1c6e3b063a29e270722bec95ea78b95dce9a230a

    SHA256

    0839ef950504c0b5f8bcebb899b90f80781d369178bad86eb63e992c4b46e0f3

    SHA512

    f7d6bbd6ed373cba9d7c6b09115303cc3bcf6cff98c8d5461dd1a2f54af556ca36884f8cb7b9f713280c39bb6e0308d72e5f66ae21f4b75cf67f273a845ac295

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

    Filesize

    38KB

    MD5

    91848f61cefe8977cc5828f5c925424d

    SHA1

    1c6e3b063a29e270722bec95ea78b95dce9a230a

    SHA256

    0839ef950504c0b5f8bcebb899b90f80781d369178bad86eb63e992c4b46e0f3

    SHA512

    f7d6bbd6ed373cba9d7c6b09115303cc3bcf6cff98c8d5461dd1a2f54af556ca36884f8cb7b9f713280c39bb6e0308d72e5f66ae21f4b75cf67f273a845ac295

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

    Filesize

    38KB

    MD5

    91848f61cefe8977cc5828f5c925424d

    SHA1

    1c6e3b063a29e270722bec95ea78b95dce9a230a

    SHA256

    0839ef950504c0b5f8bcebb899b90f80781d369178bad86eb63e992c4b46e0f3

    SHA512

    f7d6bbd6ed373cba9d7c6b09115303cc3bcf6cff98c8d5461dd1a2f54af556ca36884f8cb7b9f713280c39bb6e0308d72e5f66ae21f4b75cf67f273a845ac295

  • memory/2392-69-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2392-68-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2432-53-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2432-54-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2432-55-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB