Analysis

  • max time kernel
    142s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 10:25

General

  • Target

    d7560da4b0a9915dd640c625d3aa64fc8281fd5ee92af3eff11f36f27d35bb6f.exe

  • Size

    4.8MB

  • MD5

    a43fce284d6d379fe692dc4cecc01c0c

  • SHA1

    95f78bc8bcb654c86ac3cb07a22c630501c56fb3

  • SHA256

    d7560da4b0a9915dd640c625d3aa64fc8281fd5ee92af3eff11f36f27d35bb6f

  • SHA512

    68f55cc6112f075930e9e1d3ed3668e9fcb1c6fac6133f593cf3e8dbef6d8d741b3d395f95c6318aaef580732aeebe244f7fc710752d46e04fd5bfea3dabeb5e

  • SSDEEP

    98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3O:cAVw3kx2SnIe84E3O

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\d7560da4b0a9915dd640c625d3aa64fc8281fd5ee92af3eff11f36f27d35bb6f.exe
    "C:\Users\Admin\AppData\Local\Temp\d7560da4b0a9915dd640c625d3aa64fc8281fd5ee92af3eff11f36f27d35bb6f.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:636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 2080
      2⤵
      • Program crash
      PID:2336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 636 -ip 636
    1⤵
      PID:1836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      01545112986c47af29a4969520a95635

      SHA1

      d4a35406eb66176e3cf097843446c1fac842862e

      SHA256

      4e416ca5534e92ce8e0fbf529f41a1643cce98c078431bf091e474fbfa3d01b7

      SHA512

      38ce0fb64bc70ec9101f0f7627ec84f35cb318355bef78e7711325a011f5f148e50d35ff9d81b54f5783b1ee911671aea89b17994f0640d9f02d0cd82353a1ad

    • C:\Users\Admin\AppData\Local\Temp\{408C4119-FA4A-4f2f-9DA0-412E7980629E}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

    • C:\Users\Admin\AppData\Local\Temp\{815F7E0A-9405-4f82-B070-A7296EF5FFAA}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9