Analysis

  • max time kernel
    131s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 16:26

General

  • Target

    fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe

  • Size

    4.8MB

  • MD5

    c7c3c7a27cb8c60f944c6e33a8f3e078

  • SHA1

    70639cbc29e0f88c58584cc76bc0ec695d157db5

  • SHA256

    fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843

  • SHA512

    ad8ba9e757b235c3ed12efbaf88ab9da430339cf7fc15e9f0747755b5dcab189c2dda1a128c40689505a7d9ace9dc615342cb8d01be39bac0074aded6a72fe8a

  • SSDEEP

    98304:RVeM4VwHuokyfO8PGcx2HynIiprw0F80XZMfjt:XAVw+kx2SnIe84Cjt

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\fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.exe
    "C:\Users\Admin\AppData\Local\Temp\fed53e67f7545f3e4518d3aa96c45ade7194821c3e9a748f210623e731a02843.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:3352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 2064
      2⤵
      • Program crash
      PID:3960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3352 -ip 3352
    1⤵
      PID:4552
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4056,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
      1⤵
        PID:3764

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\{412A44EB-905F-408a-8A09-2B5CCF8F13DC}.tmp\7z.dll

              Filesize

              1.1MB

              MD5

              2888126384d873cc49af32bbe34bb296

              SHA1

              fe74877bcaec93c7d67dab2ce8c86cfc38402d22

              SHA256

              aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

              SHA512

              f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

            • C:\Users\Admin\AppData\Local\Temp\{66FE0185-6D63-41c2-A4C2-EE8C0A80E1F8}.tmp\NetBridge.dll

              Filesize

              231KB

              MD5

              9d145902fb5b9a6da62ac85761434e31

              SHA1

              c817d77f59e3767d75cf5f5298d6b5711308f7e5

              SHA256

              98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

              SHA512

              bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9