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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Modifies registry class 62 IoCs
  • Suspicious use of WriteProcessMemory 7 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:2456
    • 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
      • Modifies registry class
      PID:2188

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2188-3-0x0000000000100000-0x0000000000130000-memory.dmp

    Filesize

    192KB

  • memory/2188-4-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/2188-5-0x0000000000100000-0x0000000000130000-memory.dmp

    Filesize

    192KB