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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2023, 12:40

General

  • Target

    473692780b0df3exeexe_JC.exe

  • Size

    90KB

  • MD5

    473692780b0df346b3f69f5408be3f81

  • SHA1

    7dc2340942d9de258a5df6b5ce72c0ddec83e849

  • SHA256

    770baaa8024975567ae3a9448f3812f8bb0650f3c1ff51d9738a4c92207f153b

  • SHA512

    5ade18e37a26d04fe7d893c87103fa10fdfa9165a33e2143b998ec1b3d4dcc1877699b8423fdda70bdd9091e30d9baf8423f2603c76810bfc56b3660d0363a63

  • SSDEEP

    1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjztI:zCsanOtEvwDpjr

Score
7/10
upx

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
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\473692780b0df3exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\473692780b0df3exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3396
    • 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:3356

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    daaad3fc549db2069cd38131020c5729

    SHA1

    bb429cbb7c3f29bfe60755288c6ab3f38e35e659

    SHA256

    4b75f54d36e10802aad551cdd766bc17b56285b348eb7d93dfa29ad7c7048800

    SHA512

    f6a5b8ef0d7ef3d9c9df358d75d10f81d62517bcf7ab2be1ed069bec91a862458b898085fa904b88e509d250c462183fd69465e9c4f68c3a56674688a73072ba

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

    Filesize

    90KB

    MD5

    daaad3fc549db2069cd38131020c5729

    SHA1

    bb429cbb7c3f29bfe60755288c6ab3f38e35e659

    SHA256

    4b75f54d36e10802aad551cdd766bc17b56285b348eb7d93dfa29ad7c7048800

    SHA512

    f6a5b8ef0d7ef3d9c9df358d75d10f81d62517bcf7ab2be1ed069bec91a862458b898085fa904b88e509d250c462183fd69465e9c4f68c3a56674688a73072ba

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

    Filesize

    90KB

    MD5

    daaad3fc549db2069cd38131020c5729

    SHA1

    bb429cbb7c3f29bfe60755288c6ab3f38e35e659

    SHA256

    4b75f54d36e10802aad551cdd766bc17b56285b348eb7d93dfa29ad7c7048800

    SHA512

    f6a5b8ef0d7ef3d9c9df358d75d10f81d62517bcf7ab2be1ed069bec91a862458b898085fa904b88e509d250c462183fd69465e9c4f68c3a56674688a73072ba

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3356-152-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/3356-181-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3396-133-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3396-134-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3396-135-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3396-136-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3396-150-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB