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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 00:26

General

  • Target

    e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe

  • Size

    4.8MB

  • MD5

    d57b594716a5041282735c4e5dd777bf

  • SHA1

    404d28012407c48ca1af83897fc16d282cf35547

  • SHA256

    e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c

  • SHA512

    24ffcf40c342629ccaff3156e6da703dfd6b0f93989aec088e1f7dae909386e65ce849c286c04bbc64973c12ae9813f829e769aad18106c33173c80ae604b128

  • SSDEEP

    98304:JVeM4VwHuokyfz8PGcx2HynIiprw0F80XZqP4:/AVwDkx2SnIe84qP4

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\e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.exe
    "C:\Users\Admin\AppData\Local\Temp\e93194f8a28224fdebac60f8cafbbae1f31f04ac7b9be3bf5d0a04483b61db7c.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:1936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 2108
      2⤵
      • Program crash
      PID:4468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1936 -ip 1936
    1⤵
      PID:1516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1KB

      MD5

      9b9c19bf0b01262508edcb573f2c258b

      SHA1

      58763f58d9d602013bd496e61746ce30b53d2225

      SHA256

      93ca6036c3c9326405d87958dd8d36b1ba35f87d32bf4847bfdb17521d90bdfc

      SHA512

      0a139ae6483a1b40d928cc153c028996d99c3f08adc434d23463336ec84d9e1d749f15e2822483bd9e247f493c2dc189f00fa255e980120becd63699d8fd712f

    • C:\Users\Admin\AppData\Local\Temp\{47FCED25-6608-496b-9D70-7D061E2F2D06}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

    • C:\Users\Admin\AppData\Local\Temp\{FB86FF37-A114-42f8-B3C8-F1A594BAB938}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9