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Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2023, 15:38

General

  • Target

    280dd57992b8dbexeexe_JC.exe

  • Size

    105KB

  • MD5

    280dd57992b8db0eae9f2e6200983aad

  • SHA1

    5d79dc21d66d7e8abc080b8331178cc56c47768f

  • SHA256

    01b1aaca704576f89374224a406687105fafd696e060422799d6dc04c8957717

  • SHA512

    9e92d86b1214fd1557fbf17975e6d0cf3bb25fdcc7ea159090f100e2175630a278ca7726e0cd15aebfecd62027db5d42439a86a6e10a2379326b4f610d519bfb

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWCCy9j09MUaiK/:xj+VGMOtEvwDpjubwQEIie6

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\280dd57992b8dbexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\280dd57992b8dbexeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1556
    • 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:824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    105KB

    MD5

    e74276288bfb80a3e6cbc55dc543965c

    SHA1

    fb90ce8a7093b09b46076ea934e016d1ccef6f76

    SHA256

    090e8abb577b7dc50d6f963541dfd4194444e0cdad6d2845c94110c7833ac868

    SHA512

    fa254a7cd392b1e4c11580fdb4f048613d3a8ea452eb98c33a71c1dbceb22472dd4b02c6ecaee97f8a6c5a6ce1e209b523c0e5e8e6b1641d327bdd53ed9b5814

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

    Filesize

    105KB

    MD5

    e74276288bfb80a3e6cbc55dc543965c

    SHA1

    fb90ce8a7093b09b46076ea934e016d1ccef6f76

    SHA256

    090e8abb577b7dc50d6f963541dfd4194444e0cdad6d2845c94110c7833ac868

    SHA512

    fa254a7cd392b1e4c11580fdb4f048613d3a8ea452eb98c33a71c1dbceb22472dd4b02c6ecaee97f8a6c5a6ce1e209b523c0e5e8e6b1641d327bdd53ed9b5814

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

    Filesize

    105KB

    MD5

    e74276288bfb80a3e6cbc55dc543965c

    SHA1

    fb90ce8a7093b09b46076ea934e016d1ccef6f76

    SHA256

    090e8abb577b7dc50d6f963541dfd4194444e0cdad6d2845c94110c7833ac868

    SHA512

    fa254a7cd392b1e4c11580fdb4f048613d3a8ea452eb98c33a71c1dbceb22472dd4b02c6ecaee97f8a6c5a6ce1e209b523c0e5e8e6b1641d327bdd53ed9b5814

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/824-152-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/824-153-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/824-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1556-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1556-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1556-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1556-136-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1556-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB