Analysis

  • max time kernel
    137s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 20:14

General

  • Target

    2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe

  • Size

    43.5MB

  • MD5

    9e59da677bb0e1750261d790bfd1902a

  • SHA1

    04bb6ce597893dbe53cbc685b3d831352578f957

  • SHA256

    b73994405c1e14777a39fac998a6d6d04cbe46305a02cb24468d524ae8732f02

  • SHA512

    177a75872eb267e94b9389a4efefc8a6343b50aeb514a44acd0c42d8a8ce3dea0e13aa4620373f406ca7e2a1d930e9eecb7eeae1344933729152e768ef3ca1de

  • SSDEEP

    786432:Nw8nIe84AaDI0h1kInVKyVTU+1vqdAlPbbxh/ldO9xShzjr/P6s1sl/wJc+PE:Nw8n7AL0hb4yVTU00Mj9yshz/11sl/wU

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.

  • Modifies system certificate store 2 TTPs 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-25_9e59da677bb0e1750261d790bfd1902a_magniber.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:4452
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1756

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Subvert Trust Controls

    1
    T1553

    Install Root Certificate

    1
    T1553.004

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\{CAB09565-4382-4c01-92EE-6A700D322D5F}.tmp\NetBridge.dll
      Filesize

      231KB

      MD5

      9d145902fb5b9a6da62ac85761434e31

      SHA1

      c817d77f59e3767d75cf5f5298d6b5711308f7e5

      SHA256

      98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

      SHA512

      bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

    • C:\Users\Admin\AppData\Local\Temp\{DB67E727-F59C-4cec-846D-F8AD285187EC}.tmp\7z.dll
      Filesize

      1.1MB

      MD5

      2888126384d873cc49af32bbe34bb296

      SHA1

      fe74877bcaec93c7d67dab2ce8c86cfc38402d22

      SHA256

      aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

      SHA512

      f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a