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Analysis

  • max time kernel
    46s
  • max time network
    46s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 16:43

General

  • Target

    NEAS.NEASNEAS4fb8c1347c9e520c1a6d21540d1bd2453651038f44ed8eb24948f55a1d6ecd41exeexeexe_JC.exe

  • Size

    1.7MB

  • MD5

    d5b310c4152bc3bedbcb88d855377d77

  • SHA1

    16c64f2dc8a3b97fa22c834f8cbb12de994cbf5a

  • SHA256

    4fb8c1347c9e520c1a6d21540d1bd2453651038f44ed8eb24948f55a1d6ecd41

  • SHA512

    3491010b479ca022671522a0d2c5d20621e7890e6de86f2eefc54ee145d4f027d421b409099c944e7a3afd9c672506b72bdb27ca28df2c10b07a91890b423577

  • SSDEEP

    49152:T8mdIHWVogwK5/AXx1RPIf44B81jKn/VS5pXw6QY:T8mdIHW/JKyl+Fl5QY

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4fb8c1347c9e520c1a6d21540d1bd2453651038f44ed8eb24948f55a1d6ecd41exeexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4fb8c1347c9e520c1a6d21540d1bd2453651038f44ed8eb24948f55a1d6ecd41exeexeexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Program Files (x86)\windows mail\wab.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS4fb8c1347c9e520c1a6d21540d1bd2453651038f44ed8eb24948f55a1d6ecd41exeexeexe_JC.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nscE521.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • C:\Users\Admin\AppData\Local\Temp\nscE521.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • C:\Users\Admin\AppData\Local\Temp\nscE521.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/2952-50-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-56-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-37-0x0000000077351000-0x0000000077471000-memory.dmp

    Filesize

    1.1MB

  • memory/2952-38-0x00000000773D8000-0x00000000773D9000-memory.dmp

    Filesize

    4KB

  • memory/2952-39-0x0000000077351000-0x0000000077471000-memory.dmp

    Filesize

    1.1MB

  • memory/2952-41-0x0000000000670000-0x0000000003BE9000-memory.dmp

    Filesize

    53.5MB

  • memory/2952-43-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-42-0x0000000000670000-0x0000000003BE9000-memory.dmp

    Filesize

    53.5MB

  • memory/2952-44-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-45-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-46-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-48-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-49-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-67-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-66-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-53-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-51-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-54-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-55-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-52-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-57-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-60-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-61-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-62-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-63-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-64-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/2952-65-0x0000000072E70000-0x00000000740C4000-memory.dmp

    Filesize

    18.3MB

  • memory/5096-36-0x00000000740D0000-0x00000000740D6000-memory.dmp

    Filesize

    24KB

  • memory/5096-35-0x0000000077351000-0x0000000077471000-memory.dmp

    Filesize

    1.1MB