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Analysis

  • max time kernel
    9s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/09/2024, 14:32

General

  • Target

    9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe

  • Size

    4.8MB

  • MD5

    a07d9bd25eec068df155fde46c80e47e

  • SHA1

    b1a7666ab985e012d82fa4e3c88b6a38ad7bc27d

  • SHA256

    9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284

  • SHA512

    d6692a634a45678d3db2eca141284a224a2fefa28cca0438ef8581a8da2fd799c7e8c3bdb56e8bc83fa1845d6d67b59974958f2e418d0e8ebeb5a921e46de7ab

  • SSDEEP

    98304:cVeM4VwHuokyfK8PGcx2HynIiprw0F80XZeGN:6AVw6kx2SnIe84eGN

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\9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.exe
    "C:\Users\Admin\AppData\Local\Temp\9dba71b7179a6e79dfccff28cae7728ddbff61f29c70b4b09b4fe678724a8284.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:2876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 832
      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

    978B

    MD5

    da8bd1d1c0989a3b9bb6492726a153f5

    SHA1

    d4c4f091f04062443a73c26737d2d7a9ed11c597

    SHA256

    1524ef6587e650e58d2797d9038a2e5fa00e53e56f1e70b0e0f8f9a963560b4d

    SHA512

    7fe056bcf7ff49921fe6fd6f5f31eee000267f1f1664a8b559e84369fedc3c5da7997b47f4678acbc9f1e81b29a29c4f7e6be8b64b641f3507ac089953fa5c2d

  • \Users\Admin\AppData\Local\Temp\{146FB54D-C14D-43e2-9712-0DAE1713E523}.tmp\NetBridge.dll

    Filesize

    231KB

    MD5

    9d145902fb5b9a6da62ac85761434e31

    SHA1

    c817d77f59e3767d75cf5f5298d6b5711308f7e5

    SHA256

    98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

    SHA512

    bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

  • \Users\Admin\AppData\Local\Temp\{5C367A95-6C64-4824-A193-7E8BAB7ADC98}.tmp\7z.dll

    Filesize

    1.1MB

    MD5

    2888126384d873cc49af32bbe34bb296

    SHA1

    fe74877bcaec93c7d67dab2ce8c86cfc38402d22

    SHA256

    aba19501a8033495664879e09e60e4788537d387cf038fa8769e5b178bccdcb4

    SHA512

    f283b721b27d85fbc7a4e1e91ab1683da0c3888f632873625c4c2b48caa170471aaa84e107230988f615d3f43e40a640607d6e6f641aed59788dee441801748a

  • memory/2876-39-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB