Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 01:15

General

  • Target

    dff0d9e65fe30bae734e2b1dedd6b8538fd67744938dd2e080fec8f4404f5f8a.exe

  • Size

    4.8MB

  • MD5

    b87ab5e9fa3f2bf42a4a1c519f9f88da

  • SHA1

    8ae670d2a91a000167ca92bfdf47d75c36e41d12

  • SHA256

    dff0d9e65fe30bae734e2b1dedd6b8538fd67744938dd2e080fec8f4404f5f8a

  • SHA512

    7c5557340cb41fa9a88a299590b8aedb9bbd26dd49137a05d3d700bfc2f99d03a6f1c7f011c3a66adca6a525cd8eba1da795522ddf30dbf8a342d85234639c05

  • SSDEEP

    98304:FVeM4VwHuokyf28PGcx2HynIiprw0F80XZZbi:zAVwGkx2SnIe84Zbi

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\dff0d9e65fe30bae734e2b1dedd6b8538fd67744938dd2e080fec8f4404f5f8a.exe
    "C:\Users\Admin\AppData\Local\Temp\dff0d9e65fe30bae734e2b1dedd6b8538fd67744938dd2e080fec8f4404f5f8a.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:4652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 2124
      2⤵
      • Program crash
      PID:2044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4652 -ip 4652
    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

      558282c484d203e65e2c5584a7292af1

      SHA1

      a2f5aafe105cc64ffc20d38eadcd75d88ea12bc6

      SHA256

      747d6885b4c2c05a99ed6ac27c73401115b9b5de8db4dce66786783c5a51037c

      SHA512

      27dfd317cb283ecfcd923d0be7da96bb9516434fd6baebf458d566f65a98b4c45ea71fa040f9a9d56dd1b1d66367f48b92554fd00950db14fd4985173cd62b95

    • C:\Users\Admin\AppData\Local\Temp\{14FEB485-6C22-4594-A1EC-911DEBF25622}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

    • C:\Users\Admin\AppData\Local\Temp\{D63E5BD3-12E3-4a75-B018-80DB4AE56814}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9