Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 00:33

General

  • Target

    d761718262bb4c2847beb8a292ceccf3158cbc210294d8b68a772101e2bbf9ce.exe

  • Size

    4.8MB

  • MD5

    0a4892b9c95d2a62060d87768cfdb70e

  • SHA1

    bcf573cba27fa3dfde20b98549069758b45f6793

  • SHA256

    d761718262bb4c2847beb8a292ceccf3158cbc210294d8b68a772101e2bbf9ce

  • SHA512

    a73d012baae0b7b3a9cff0f5e24709ebc617405567068b00fc90cad4ceb10d3ade20d1c23c6ddce6c306061fbca1570fa6d6d39432373e3797dfdb7df55e6b81

  • SSDEEP

    98304:cVeM4VwHuokyfK8PGcx2HynIiprw0F80XZeGO:6AVw6kx2SnIe84eGO

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\d761718262bb4c2847beb8a292ceccf3158cbc210294d8b68a772101e2bbf9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\d761718262bb4c2847beb8a292ceccf3158cbc210294d8b68a772101e2bbf9ce.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:2584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 1836
      2⤵
      • Program crash
      PID:4796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2584 -ip 2584
    1⤵
      PID:4772

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\lds_setup.log

            Filesize

            1KB

            MD5

            f8aacc49ab2ad7036eda6695b5ff353d

            SHA1

            3c3eb5d89761106386f59d08984f0eb057cd420c

            SHA256

            6a22cd14c9824d3acf93660417dda05698d2b34735ec2e0ae2451ad3acca6ab2

            SHA512

            e7bdd35de8205d05be8f953d6d73b83e311c2f20a3b6ee17f9d718eb48162b7669caf954881a5c48ea9aa88bf8440eb8e3a48bc06cc46bd62468e8eb7f3e0e6f

          • C:\Users\Admin\AppData\Local\Temp\{96730888-10D4-4bd9-9530-77C6FFDFC25D}.tmp\NetBridge.dll

            Filesize

            231KB

            MD5

            9d145902fb5b9a6da62ac85761434e31

            SHA1

            c817d77f59e3767d75cf5f5298d6b5711308f7e5

            SHA256

            98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

            SHA512

            bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

          • C:\Users\Admin\AppData\Local\Temp\{B80165C3-45A1-4994-BC52-8BB10A785633}.tmp\7z.dll

            Filesize

            1.1MB

            MD5

            2888126384d873cc49af32bbe34bb296

            SHA1

            fe74877bcaec93c7d67dab2ce8c86cfc38402d22

            SHA256

            aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

            SHA512

            f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a