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Analysis

  • max time kernel
    139s
  • max time network
    158s
  • 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, 16:05

General

  • Target

    NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll

  • Size

    154KB

  • MD5

    05bb05be919ba25b7a30c070afb72e90

  • SHA1

    5091ce61d55ac4e22580fdb1fe1bac1e050e912c

  • SHA256

    f53b5e47faf3aa19be911686038e37af32d78e43845082bf4ed1c0812f59afca

  • SHA512

    05f3007f56a4b70ab2aabe6e14a5e4164314af53ae29250d5531862ab5552f09d70e0f0f998adf00533adc34b66cb212aae6085884b21db592adc6176946354f

  • SSDEEP

    3072:hyJWxKouy1GVsmdPvSYFETC2lQBV+UdE+rECWp7hKGy:hd4y1GVsmdPvpETIBV+UdvrEFp7hKP

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\NEAS.05bb05be919ba25b7a30c070afb72e90_JC.dll
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:5000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 624
        3⤵
        • Program crash
        PID:1428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5000 -ip 5000
    1⤵
      PID:1604

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • memory/5000-6-0x00000000021E0000-0x0000000002210000-memory.dmp

      Filesize

      192KB

    • memory/5000-7-0x00000000021E0000-0x0000000002210000-memory.dmp

      Filesize

      192KB

    • memory/5000-8-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/5000-9-0x00000000021E0000-0x0000000002210000-memory.dmp

      Filesize

      192KB

    • memory/5000-12-0x00000000021E0000-0x0000000002210000-memory.dmp

      Filesize

      192KB