Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target

    cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe

  • Size

    33KB

  • MD5

    7514021d14a754dd434e4b38cb87ae3d

  • SHA1

    3ea156bdfea7751e851cf281b20783f3f9a4784d

  • SHA256

    cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf

  • SHA512

    78ccfd339f3d905c1e8cb072951164f6b66407b1928fa2879b53c015a89c5027e2e10f81912bf21464b35d650750da811f0975084cf91b710dd6ead8a1d90308

  • SSDEEP

    768:PvGnElOIEvzMXqtwp/lttaL7HP4wIncLRdR5kP78a0RJW/a:PvUaYzMXqtGNttyUn01Q78a4R

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe
        "C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3664
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1972
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3708
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:4232

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          258KB

          MD5

          dabffb38234f007c501cf88551471dfe

          SHA1

          ea9f4c4f46ffd3cb73b767b729c62cfcca6a065c

          SHA256

          f4126de53afbb2a68dead67d01bae1d52b38ae711b06d94629f952099e691d32

          SHA512

          02229668f14c8057849b6e0babac2a5369e904178d8ac2ae5ac5dcff2ea659f4765b1590a4fe482165a4b2de7da43cb80c040befdf0410b3837ef7dfc915b6cf

        • C:\Program Files\dotnet\dotnet.exe

          Filesize

          177KB

          MD5

          d6d0a61fcca7f899396c7117c8df1731

          SHA1

          97bb2fe6e910a48a550d8033d39b7f40e03fa00a

          SHA256

          b5dca266eab324d4f3e9f07a511768335201be7c9ed015f06693e8fe9bd7cfad

          SHA512

          583b6f995d9912b576ff433b0948f0f24a5793a49ee0e402c28277f17fd830da73dfa3a6b836289b738e4ba2eb6bf99ee402178d517077c9e611fb470408104a

        • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

          Filesize

          643KB

          MD5

          c68e034d324260384602839c6e3295de

          SHA1

          add6ebe18274a2afd7756fcb2b5be590125eff7f

          SHA256

          8317babad7376315f76f48454d7f4057d60f2a13f0e469a7c877473b220af74f

          SHA512

          7c956a76088bae2a425fc13f8484027ae04bc9995b7ca85a92125801e0676ff660c2a1fcb4640424883455bc10a84d39788032d884e7b64178693b1a2a0885cb

        • F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini

          Filesize

          8B

          MD5

          af485d3db9f82d3e5bdc8c6d87fb742e

          SHA1

          f879c3dbd3d34e9789ff73896508bfbeabbf7468

          SHA256

          7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

          SHA512

          d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

        • memory/3664-0-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/3664-5-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/3664-4919-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/3664-8636-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB