Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 15:10

General

  • Target

    22331f28a2832999aa28ed6accc8fea772c510d7d9e04f307f24f04620bdde97.exe

  • Size

    4.8MB

  • MD5

    18aaf649fe4202b6aec93c790d169dcb

  • SHA1

    70923ffc334f480c571e7d47f7c6b76113eba8ff

  • SHA256

    22331f28a2832999aa28ed6accc8fea772c510d7d9e04f307f24f04620bdde97

  • SHA512

    09347478d5ee8cc33b3410fa44665d710fe44bfeee2b985949750c3d04de91eec4b04956768991df0819aecdb7bddb915a8513e6188693aeec8ecc9b4ca382e2

  • SSDEEP

    98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3S:cAVw3kx2SnIe84E3S

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22331f28a2832999aa28ed6accc8fea772c510d7d9e04f307f24f04620bdde97.exe
    "C:\Users\Admin\AppData\Local\Temp\22331f28a2832999aa28ed6accc8fea772c510d7d9e04f307f24f04620bdde97.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 2116
      2⤵
      • Program crash
      PID:4368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3928 -ip 3928
    1⤵
      PID:696

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\{13C5CBEA-7C50-4a0d-9ABC-242922E77D98}.tmp\7z.dll

            Filesize

            1.1MB

            MD5

            2888126384d873cc49af32bbe34bb296

            SHA1

            fe74877bcaec93c7d67dab2ce8c86cfc38402d22

            SHA256

            aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

            SHA512

            f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

          • C:\Users\Admin\AppData\Local\Temp\{849F111E-C1B9-41e6-9425-1E815B0B3DD0}.tmp\NetBridge.dll

            Filesize

            231KB

            MD5

            9d145902fb5b9a6da62ac85761434e31

            SHA1

            c817d77f59e3767d75cf5f5298d6b5711308f7e5

            SHA256

            98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

            SHA512

            bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9