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Analysis

  • max time kernel
    94s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/12/2024, 21:47

General

  • Target

    035ed5fcdd134622ded390da86e37ffac971905351523824cfb9944a3a71d81d.dll

  • Size

    1.4MB

  • MD5

    3b97ff9df423e25e55e619ab25aec98d

  • SHA1

    3abf7065c456f1f0f731492b085709e17b8bad37

  • SHA256

    035ed5fcdd134622ded390da86e37ffac971905351523824cfb9944a3a71d81d

  • SHA512

    409635d198d5732094dd1e7b99d0386f8fe9d9fe710cfc6b5565de3a42c24b6ca7196f63192a34ef59969f5c52cd010944cd713e0af0f6f1fc52c0c3315893f5

  • SSDEEP

    24576:SKit4aTOnCoUHbYbDzjJcvvNmIMlSE/p/SZjAygfc87LnwgT69gvmzmTWb:Bit7Onr8YVyNmdUEJSpkfvQgTsgvmB

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 62 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\035ed5fcdd134622ded390da86e37ffac971905351523824cfb9944a3a71d81d.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\035ed5fcdd134622ded390da86e37ffac971905351523824cfb9944a3a71d81d.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3592
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 264
          4⤵
          • Program crash
          PID:4496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4664 -ip 4664
    1⤵
      PID:60

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\regsvr32mgr.exe

      Filesize

      105KB

      MD5

      dfb5daabb95dcfad1a5faf9ab1437076

      SHA1

      4a199569a9b52911bee7fb19ab80570cc5ff9ed1

      SHA256

      54282ec29d4993ed6e9972122cfbb70bba4898a21d527bd9e72a166d7ec2fdc0

      SHA512

      5d31c34403ab5f8db4a6d84f2b5579d4ea18673914b626d78e458a648ac20ddd8e342818e807331036d7bb064f596a02b9737acac42fbead29260343a30717e8

    • memory/3592-2-0x0000000074D80000-0x000000007513A000-memory.dmp

      Filesize

      3.7MB

    • memory/4664-5-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/4664-6-0x00000000004A0000-0x00000000004A1000-memory.dmp

      Filesize

      4KB