Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 15:51

General

  • Target

    00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe

  • Size

    4.8MB

  • MD5

    3c12b9e4bcb45eed42fbef8eaa25c621

  • SHA1

    797d76c175c62c11f329647c8bbd5535bd2cd994

  • SHA256

    00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46

  • SHA512

    aa0a4c2df0a383ffe44fca811bc1e5af14c63517b3894dd255894a0025c6a9b33bc3859efc4e9e02c589be95e1fd18a8b404116de0752033fc463f53d9db55b1

  • SSDEEP

    98304:JVeM4VwHuokyfz8PGcx2HynIiprw0F80XZqPJ:/AVwDkx2SnIe84qPJ

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\00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.exe
    "C:\Users\Admin\AppData\Local\Temp\00fa5562d43953c50694c196fc088d9ce5be0ee34135689e2f600cc83e394a46.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:3448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 2056
      2⤵
      • Program crash
      PID:2156
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 3448
    1⤵
      PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      46f482f2bffe29e7498af1ae83ed4c93

      SHA1

      a7d6e52535757661466d3658d7f1e09ac5398355

      SHA256

      c379d2992dcb0ac989215864f2dda308c2db05b8d0dd972dd2af7dad796008ca

      SHA512

      fe064e4a2027593e66e7a2b9249bd24b5bd1512d5041e4a89dc261df58998e37d174e698d457f1a3840b793602944583cf58cdfaaaf48d1555a124097cb7357a

    • C:\Users\Admin\AppData\Local\Temp\{721E9D62-5158-4797-8D63-2681631C06A8}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

    • C:\Users\Admin\AppData\Local\Temp\{DED404AC-4962-453f-8208-58719107471F}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9