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Analysis

  • max time kernel
    151s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 15:23

General

  • Target

    NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe

  • Size

    152KB

  • MD5

    48e08a227d24bbeaaaec6214d78a9be0

  • SHA1

    e38f028fd1842a8efb44fcf38f219755bc956ba1

  • SHA256

    662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769

  • SHA512

    6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508

  • SSDEEP

    3072:MEmcbqLl7DzEUGuoB+AKt0S/sCtCkSkBY:MEQLl7nEeZAW/saS

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe
      72
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Users\Admin\juuvaif.exe
        "C:\Users\Admin\juuvaif.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Users\Admin\juuvaif.exe
          72
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\c\Passwords.exe

    Filesize

    152KB

    MD5

    9b76931643659cb212f166d9e3962dd7

    SHA1

    89553d2b87ef6e885d1ad706b6eef8b86dc3503b

    SHA256

    2433fc70b2035111ba8ff9d2692d500fd8d3697f284a1a7b283d426d06171920

    SHA512

    33719d287e3cb66c9c08730a7213f617fcfbb628edab528e93c1cdf5de4a10a5132c05fa3c18f6db2925a0b9aafdca420289be45b27e4474e3caa40cc1fa82bb

  • C:\Users\Admin\c\Porn.exe

    Filesize

    152KB

    MD5

    5542ca8d18de0e04b461221964c70162

    SHA1

    57673c493a93f81abc40741593b2a5479c1ddbd1

    SHA256

    500d4fc0ae0d5deec09616d1ac926363936e790307345fc3de0d2b4a7a244380

    SHA512

    484b5e8e2f1eb1fe7cdc39c2bfb5d5e81f82cabdde32b5a204add797041065079bb6e059c8f0dd1e8ccd4dae4fec130d88edefa1fe81a2544644e8508c90979f

  • C:\Users\Admin\juuvaif.exe

    Filesize

    152KB

    MD5

    48e08a227d24bbeaaaec6214d78a9be0

    SHA1

    e38f028fd1842a8efb44fcf38f219755bc956ba1

    SHA256

    662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769

    SHA512

    6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508

  • C:\Users\Admin\juuvaif.exe

    Filesize

    152KB

    MD5

    48e08a227d24bbeaaaec6214d78a9be0

    SHA1

    e38f028fd1842a8efb44fcf38f219755bc956ba1

    SHA256

    662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769

    SHA512

    6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508

  • C:\Users\Admin\juuvaif.exe

    Filesize

    152KB

    MD5

    48e08a227d24bbeaaaec6214d78a9be0

    SHA1

    e38f028fd1842a8efb44fcf38f219755bc956ba1

    SHA256

    662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769

    SHA512

    6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508

  • C:\Users\Admin\juuvaif.exe

    Filesize

    152KB

    MD5

    48e08a227d24bbeaaaec6214d78a9be0

    SHA1

    e38f028fd1842a8efb44fcf38f219755bc956ba1

    SHA256

    662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769

    SHA512

    6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508

  • memory/3332-89-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-101-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-47-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-45-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-4-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-107-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-85-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-105-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-87-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-103-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-2-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-99-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-91-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-97-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-93-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/3332-95-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-46-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-96-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-92-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-98-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-90-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-100-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-94-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-102-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-88-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-104-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-86-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-106-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4268-84-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB