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Analysis

  • max time kernel
    96s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 16:52

General

  • Target

    c999d58a3e42cb507d41449500773465a95eb3311a3472ff8fdf9a2a641948d8.exe

  • Size

    4.8MB

  • MD5

    c29d6754bb3555df38fed0c6a294a0c3

  • SHA1

    f0c2c676e04d6c679f0fc05f2d41c24ec0f1f876

  • SHA256

    c999d58a3e42cb507d41449500773465a95eb3311a3472ff8fdf9a2a641948d8

  • SHA512

    96da04a422b3d6c5f613c5a514732f3db25c1c5903a450998c7764d2cdd397ff0aa46f3cb5ea1567a675b62c7f994acd6fdc1e2115f6c1f6d4b035cd9bae009d

  • SSDEEP

    98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB30:cAVw3kx2SnIe84E30

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\c999d58a3e42cb507d41449500773465a95eb3311a3472ff8fdf9a2a641948d8.exe
    "C:\Users\Admin\AppData\Local\Temp\c999d58a3e42cb507d41449500773465a95eb3311a3472ff8fdf9a2a641948d8.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:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 2076
      2⤵
      • Program crash
      PID:228
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4304 -ip 4304
    1⤵
      PID:1380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      b62670941798d09f89e30717358edb02

      SHA1

      02e21064cff5a335ccd40f29530460e2a51af1b0

      SHA256

      df5e057011f2bfbb9db30a512de19b778de0febabc1176318bc20242ca326f20

      SHA512

      17e726d5c9f93ab209bdf98112ad41c0944b4d6544bb3413188f49c349774b4f8bf2c1b8e939c13c18ea0d6ba2d44c558fb8119e34522574796032d435b1d3e2

    • C:\Users\Admin\AppData\Local\Temp\{6AF23A7F-2385-476a-B86C-0AD38DE20B50}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

    • C:\Users\Admin\AppData\Local\Temp\{F5CCCD2E-76A3-4153-97A5-4C6ED38495CC}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a