Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 00:17

General

  • Target

    ea122c846907198bd5c50e91bd44a3f9019c9eea1f4dc79ef91d62c1bd896700.exe

  • Size

    4.8MB

  • MD5

    ccbe9cc91f7e57c7bcfdd96af3840db6

  • SHA1

    55714b2deee9a2a711985a612a6796d2db3eeb42

  • SHA256

    ea122c846907198bd5c50e91bd44a3f9019c9eea1f4dc79ef91d62c1bd896700

  • SHA512

    b6be3d3c434cf15440d1941139bf95587f70ff0c41480436189215795dac84fc7049a965cce9aa3a663148120d3ff9cb86711bc466ac12a8097adf344ad36129

  • 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\ea122c846907198bd5c50e91bd44a3f9019c9eea1f4dc79ef91d62c1bd896700.exe
    "C:\Users\Admin\AppData\Local\Temp\ea122c846907198bd5c50e91bd44a3f9019c9eea1f4dc79ef91d62c1bd896700.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:4120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 2036
      2⤵
      • Program crash
      PID:4104
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4120 -ip 4120
    1⤵
      PID:3952

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      7bc9f18f0fc5fb68df4559813beaf92d

      SHA1

      fa4c48a77ca5a0106c711726bf1f538512b9b7af

      SHA256

      08c30b32d3b1f319646b83d2c3278e6ab50e84db32dead6b2dbdccdc462519ba

      SHA512

      250b5eca1d5f1b8f307ec1e1056e32032f06647f9cf13cf8f31f814405b7f4700bd1d3f959bae248de03aa58206db1b36c58b1fb5016a7f3346e46fef2dfea5a

    • C:\Users\Admin\AppData\Local\Temp\{0372BF5B-8045-41c1-B603-DB65D48A9158}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

    • C:\Users\Admin\AppData\Local\Temp\{A67353AB-35BE-4ef2-9E26-EA9493DB47E5}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a