Analysis

  • max time kernel
    94s
  • max time network
    127s
  • 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 23:52

General

  • Target

    6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe

  • Size

    4.8MB

  • MD5

    337e81d13238a3abf061f6daac938420

  • SHA1

    648029ebc8a315108bc005eab14c071fbed9755e

  • SHA256

    6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e

  • SHA512

    15fc86915ca3bd1c3c31ca9ec63e222dea1f6e5c43b62ad93ee8b8cab9e65397d17c581cf067d8bfb66d37af41916a4eb4c7452dc32243a17571cdd15249bf7f

  • SSDEEP

    98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3Y:cAVw3kx2SnIe84E3Y

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\6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.exe
    "C:\Users\Admin\AppData\Local\Temp\6d714822f39837d939725fce691444cc10021f385742049523bc9a6d6a59b94e.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:3056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 2088
      2⤵
      • Program crash
      PID:2028
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056
    1⤵
      PID:2152

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\{5AF57979-E38B-4ae1-8A4E-F45C9374A300}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

    • C:\Users\Admin\AppData\Local\Temp\{D4D0F872-2A7E-478c-BAA4-82B1D7B5472F}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a