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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2024, 11:36

General

  • Target

    bb29500875c86cba825c0625d6563f22.exe

  • Size

    420KB

  • MD5

    bb29500875c86cba825c0625d6563f22

  • SHA1

    ed1a8e5284b7357acdc9bae6d92f45d3b5f2a437

  • SHA256

    21d5770b9fb5b45f68721d159c189e4d1990ba34870a31e199273585cc3a7f70

  • SHA512

    7e528e56698b1221dce838d5b90b4bea9cd7de58ddcb7b1ad56cc705d01c35cd28333cbd4e8aa07cd782e4dbe667d0abbc44076bc44f99f5ae878938d23fa73b

  • SSDEEP

    12288:LF0UX37yIxu9W3/DD0O5vB/KoiICAHyzx1Jm:LF0837vxUW3sE1eIy91Jm

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb29500875c86cba825c0625d6563f22.exe
    "C:\Users\Admin\AppData\Local\Temp\bb29500875c86cba825c0625d6563f22.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC csproduct Get UUID /FORMAT:textvaluelist.xsl
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2948
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC bios Get SerialNumber /FORMAT:textvaluelist.xsl
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Windows\SysWOW64\Wbem\WMIC.exe
      WMIC bios Get Version /FORMAT:textvaluelist.xsl
      2⤵
        PID:2360
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        WMIC csproduct Get Name /FORMAT:textvaluelist.xsl
        2⤵
          PID:2352
        • C:\Users\Admin\AppData\Local\Temp\nst315F.tmp\7za.exe
          7za.exe e -y -p"6d383993feb2785b9c18c2635e1ec87d" [RANDOM_STRING].7z
          2⤵
          • Executes dropped EXE
          PID:1856

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nst315F.tmp\7za.exe

        Filesize

        574KB

        MD5

        42badc1d2f03a8b1e4875740d3d49336

        SHA1

        cee178da1fb05f99af7a3547093122893bd1eb46

        SHA256

        c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

        SHA512

        6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

      • C:\Users\Admin\AppData\Local\Temp\nst315F.tmp\[RANDOM_STRING].7z

        Filesize

        225KB

        MD5

        97e1bf2e31c6bf64b39b994449678cfc

        SHA1

        1a40e8d9dc518cf2c8b844ea6f3e95abc88020fd

        SHA256

        fe2fc51bdd292232adb8042b5bc0d144b899a0c8df602632deec17fb3f443cb9

        SHA512

        603e55914d62d79a53ae88cd6644f3a03bc16eb2d4d70f450e6f04eb1ca0defbe7dd37ea3983cb226b9ac68a5b220423b207313661eec1a3959367e485022fe8

      • C:\Users\Admin\AppData\Local\Temp\nst315F.tmp\install10093.exe

        Filesize

        193KB

        MD5

        10bd2af1b07ec6bc9cd17ba512569e59

        SHA1

        807e17ab1b98177e135d30941b45081960d1e866

        SHA256

        9c620ef6eac3d0d9d3f6f2622a53d1f543cebd93846636ba397683962c07fc7c

        SHA512

        deacd041f12b6ec74f9e4488874ce962037990ed0ae424aaeabf2c35876b2ebbb943f92e9a4ffe504718bb00021209b035439ea4d7c64a4031b86ce9104ce3ed

      • \Users\Admin\AppData\Local\Temp\nst315F.tmp\nsExec.dll

        Filesize

        6KB

        MD5

        acc2b699edfea5bf5aae45aba3a41e96

        SHA1

        d2accf4d494e43ceb2cff69abe4dd17147d29cc2

        SHA256

        168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

        SHA512

        e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe