Analysis

  • max time kernel
    126s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 14:30

General

  • Target

    adda57aa5d6fe038172916175b853cee753b88d32293d4db02ee405d3eca147d.exe

  • Size

    4.8MB

  • MD5

    4fc4b043a20b31ef1fd35550c59eb1aa

  • SHA1

    c4099871118647807df1b83a4e6341e7d25e4d75

  • SHA256

    adda57aa5d6fe038172916175b853cee753b88d32293d4db02ee405d3eca147d

  • SHA512

    e36aaecd39ec6527a59dbed43c81aef1a53d427b372471ab152dfa2fc4359c9c6df225a7c9dbfd7e537e98d9233e7498a99353c01c7fdd5c8210969822aaf7fa

  • SSDEEP

    98304:cVeM4VwHuokyfK8PGcx2HynIiprw0F80XZeGM:6AVw6kx2SnIe84eGM

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\adda57aa5d6fe038172916175b853cee753b88d32293d4db02ee405d3eca147d.exe
    "C:\Users\Admin\AppData\Local\Temp\adda57aa5d6fe038172916175b853cee753b88d32293d4db02ee405d3eca147d.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:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 2084
      2⤵
      • Program crash
      PID:4868
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3764 -ip 3764
    1⤵
      PID:4460
    • 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=4048,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4460 /prefetch:8
      1⤵
        PID:1328

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\{20852A8E-DCFD-47ad-9F87-B2B2BB4A2208}.tmp\NetBridge.dll

              Filesize

              231KB

              MD5

              9d145902fb5b9a6da62ac85761434e31

              SHA1

              c817d77f59e3767d75cf5f5298d6b5711308f7e5

              SHA256

              98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

              SHA512

              bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

            • C:\Users\Admin\AppData\Local\Temp\{4052FF46-8259-4b59-AE75-2B4EDFF60F16}.tmp\7z.dll

              Filesize

              1.1MB

              MD5

              2888126384d873cc49af32bbe34bb296

              SHA1

              fe74877bcaec93c7d67dab2ce8c86cfc38402d22

              SHA256

              aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

              SHA512

              f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a