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Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2023, 08:13

General

  • Target

    587b2f71db722f_JC.exe

  • Size

    65KB

  • MD5

    587b2f71db722f195b2e41ca2bd86a56

  • SHA1

    6cb2bcec63c13b389275691f603ce7d7979fef56

  • SHA256

    06abf045fc0cbd8e7c4962aea5a473473f5863ac62d2f8f293cebd69d6d3d807

  • SHA512

    98e3fae9db735fe22ea9359f753e467814771d57f7ca5c0361f3ce4425cb7ecef957b8f0b30b349e1b7478a5f560310bb471d2a763f1b3fae4cff2870b400737

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36n9FQ/zZ:ZVxkGOtEvwDpjcaAw

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\587b2f71db722f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\587b2f71db722f_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    fbfceaa7495d3600f176807a0b1cd9e3

    SHA1

    a7afeca4f00056507a324a142c1b7f5a45f95176

    SHA256

    b833d73312258a5cd9708bc258d009f578dc3201d57d3a44e942864fa33d2eb8

    SHA512

    9b1a34b83c36c8e17316a337a192ba1c2a6273bbe753d14401b27d956550b69f394f867ec07e3aa227db295b89b5031ed855804b69cae06178d99ca76458ebff

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

    Filesize

    65KB

    MD5

    fbfceaa7495d3600f176807a0b1cd9e3

    SHA1

    a7afeca4f00056507a324a142c1b7f5a45f95176

    SHA256

    b833d73312258a5cd9708bc258d009f578dc3201d57d3a44e942864fa33d2eb8

    SHA512

    9b1a34b83c36c8e17316a337a192ba1c2a6273bbe753d14401b27d956550b69f394f867ec07e3aa227db295b89b5031ed855804b69cae06178d99ca76458ebff

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

    Filesize

    65KB

    MD5

    fbfceaa7495d3600f176807a0b1cd9e3

    SHA1

    a7afeca4f00056507a324a142c1b7f5a45f95176

    SHA256

    b833d73312258a5cd9708bc258d009f578dc3201d57d3a44e942864fa33d2eb8

    SHA512

    9b1a34b83c36c8e17316a337a192ba1c2a6273bbe753d14401b27d956550b69f394f867ec07e3aa227db295b89b5031ed855804b69cae06178d99ca76458ebff

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1440-149-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/1440-151-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1440-152-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/3916-133-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/3916-134-0x00000000007B0000-0x00000000007B6000-memory.dmp

    Filesize

    24KB

  • memory/3916-135-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB