Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:06

General

  • Target

    0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe

  • Size

    4.8MB

  • MD5

    944f1594596594e664b443465752e946

  • SHA1

    d0a4e646676dd826e32f9eb9eecabfbc67ccf4c7

  • SHA256

    0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a

  • SHA512

    539110f15e5d657719adc0cfe0ab066a5db7b89237ce34b641700158f1fc80285f74303f8a76210314b6af49056a08fa7573fd73575e7d3deab5f1bdadb072cd

  • SSDEEP

    98304:AVeM4VwHuokyfn8PGcx2HynIiprw0F80XZrL2o:mAVw3kx2SnIe84X2o

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\0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.exe
    "C:\Users\Admin\AppData\Local\Temp\0fc98e66bbd78aeeb387df346534de254db03d464973732bf0631f7a894f5a0a.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:6012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6012 -s 2080
      2⤵
      • Program crash
      PID:5960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 6012 -ip 6012
    1⤵
      PID:2396

    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

      d3c6aa0424b0f45b27dca9e1be0144b6

      SHA1

      730f3505c93470ba1adff0b5d58555330860c1e7

      SHA256

      3145c361d0dee050636b2021fab8171012cb904813d2f4e793a322bec1290e59

      SHA512

      6a042d8f2b9420a627aa9da4b8cd6b22ec603492c65f32def981add7e23dc03bd831f508159d44ead29eb51bb0998f4d99cdc99bc2cbc90f3eba4d5470508216

    • C:\Users\Admin\AppData\Local\Temp\{740A8421-4CC7-4b9c-9B2B-C0DFF8B34F82}.tmp\7z.dll

      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

    • C:\Users\Admin\AppData\Local\Temp\{A7BD44E4-011F-4465-88F6-883B1049E573}.tmp\NetBridge.dll

      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9