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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    01/08/2023, 14:52

General

  • Target

    28d613ce9c49eb74e8450e23c13ebf4c_cryptolocker_JC.exe

  • Size

    42KB

  • MD5

    28d613ce9c49eb74e8450e23c13ebf4c

  • SHA1

    d7bc4a161cb58014c2e92d550132839f684c8b1a

  • SHA256

    b1dcbba8a7b00a3a5e753d86ffee4b7ca8aac6101aa3ef2819dde340d3fbcac7

  • SHA512

    f66eefad532ca37201265ce980784f37e336c2aada79394c15883620d7306f7130e544b43190ed491ff4fba08bf46b100f7a655469768119e3896eb9038e5443

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrNEb:vj+jsMQMOtEvwDpj5HczerNEb

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\28d613ce9c49eb74e8450e23c13ebf4c_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\28d613ce9c49eb74e8450e23c13ebf4c_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    f258b67f93e3e9c79fb001c3a935acd1

    SHA1

    5d91a1270a26b49bc7d8faf6e2dde5fb70c5d35f

    SHA256

    f98baafb0efe907d5a7204e23c79319636976bdd54d8c67b7681ba971bb60f4c

    SHA512

    e39b1a3e36e37ae9f2af6acbe2bf3ded36d10f592df4c7f6f1b1e3c1c4fa34a85de1f1d8d6e3d688d47c12c65db3942af8d5a949a436cf6060db362ebd9bef0c

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

    Filesize

    42KB

    MD5

    f258b67f93e3e9c79fb001c3a935acd1

    SHA1

    5d91a1270a26b49bc7d8faf6e2dde5fb70c5d35f

    SHA256

    f98baafb0efe907d5a7204e23c79319636976bdd54d8c67b7681ba971bb60f4c

    SHA512

    e39b1a3e36e37ae9f2af6acbe2bf3ded36d10f592df4c7f6f1b1e3c1c4fa34a85de1f1d8d6e3d688d47c12c65db3942af8d5a949a436cf6060db362ebd9bef0c

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

    Filesize

    42KB

    MD5

    f258b67f93e3e9c79fb001c3a935acd1

    SHA1

    5d91a1270a26b49bc7d8faf6e2dde5fb70c5d35f

    SHA256

    f98baafb0efe907d5a7204e23c79319636976bdd54d8c67b7681ba971bb60f4c

    SHA512

    e39b1a3e36e37ae9f2af6acbe2bf3ded36d10f592df4c7f6f1b1e3c1c4fa34a85de1f1d8d6e3d688d47c12c65db3942af8d5a949a436cf6060db362ebd9bef0c

  • memory/1508-53-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1508-55-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/1508-54-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB