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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 00:38

General

  • Target

    fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe

  • Size

    4.8MB

  • MD5

    777a393d6f163d862cbe115e3f997252

  • SHA1

    93166f7350d2c9b808df9dfaf2f782220b8573bf

  • SHA256

    fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784

  • SHA512

    9cb306342da1f79057145ead8ec86c04b55d4dede2e4b858c057fc4d3b75823b563d02884d5a0e802223f401e9dadcbe926750f81a607f36fccd5eb3ba96bd16

  • SSDEEP

    98304:uVeM4VwHuokyfn8PGcx2HynIiprw0F80XZsB3p:cAVw3kx2SnIe84E3p

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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe
    "C:\Users\Admin\AppData\Local\Temp\fe1b59665643ffa2553ddbed9db3319b0b834d2e8bb32411fcf9fbdaeabbd784.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 864
      2⤵
      • Program crash
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    912B

    MD5

    5dfaf7da44cc958278e973b2e0abce2e

    SHA1

    c82f964f29f054aafc1db23eb1ca6c5b2c83df90

    SHA256

    46fe1308981c51ec71bc002c07f1e2d57f81bc7d42bc6ae4fa5f8085d96cc253

    SHA512

    cf96831c75cae8cd2551b8c98463e3674de67359b61237e3228e25aabee4e75cdd2d45eb314a1bba82226b641ae11b56e435d053e6410aba43b5f78e37de1b5a

  • C:\Users\Admin\AppData\Local\Temp\{CC70F3C2-ACBE-46fd-AC26-3BD4335EB480}.tmp\NetBridge.dll

    Filesize

    231KB

    MD5

    9d145902fb5b9a6da62ac85761434e31

    SHA1

    c817d77f59e3767d75cf5f5298d6b5711308f7e5

    SHA256

    98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

    SHA512

    bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

  • \Users\Admin\AppData\Local\Temp\{0C1375C9-5B7C-4347-A7F4-0BD5E008576D}.tmp\7z.dll

    Filesize

    1.1MB

    MD5

    2888126384d873cc49af32bbe34bb296

    SHA1

    fe74877bcaec93c7d67dab2ce8c86cfc38402d22

    SHA256

    aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

    SHA512

    f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

  • memory/2196-39-0x0000000000480000-0x0000000000481000-memory.dmp

    Filesize

    4KB