Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 10:20 UTC

General

  • Target

    0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe

  • Size

    717KB

  • MD5

    a3e266623b3a04c853f776ee6ad96b46

  • SHA1

    24a7422e95c21a8cd0cd7dc4e970e1f8ba0c758b

  • SHA256

    0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b

  • SHA512

    4061a01c3a47cb54b248a642f77fdec22b2652e4c91d5e0ebab92f3963fff5594ef251a3fecc8422de272dc07279e81b8c933e07dffd1af1794efd199502f360

  • SSDEEP

    12288:q3NbGfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:q3NWLOS2opPIXV

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3460
      • C:\Users\Admin\AppData\Local\Temp\0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe
        "C:\Users\Admin\AppData\Local\Temp\0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4904
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2188
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4168
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aAEAF.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4716
          • C:\Users\Admin\AppData\Local\Temp\0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe
            "C:\Users\Admin\AppData\Local\Temp\0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe"
            4⤵
            • Executes dropped EXE
            PID:1424
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2904
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3348
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2360
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2204

    Network

    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
      Response
      8.8.8.8.in-addr.arpa
      IN PTR
      dnsgoogle
    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      149.220.183.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      149.220.183.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      79.190.18.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      79.190.18.2.in-addr.arpa
      IN PTR
      Response
      79.190.18.2.in-addr.arpa
      IN PTR
      a2-18-190-79deploystaticakamaitechnologiescom
    • flag-us
      DNS
      73.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      73.31.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      232.168.11.51.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      232.168.11.51.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      241.42.69.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      241.42.69.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      183.59.114.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      183.59.114.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      172.210.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.210.232.199.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      14.227.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      14.227.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      132 B
      90 B
      2
      1

      DNS Request

      8.8.8.8.in-addr.arpa

      DNS Request

      8.8.8.8.in-addr.arpa

    • 8.8.8.8:53
      149.220.183.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      149.220.183.52.in-addr.arpa

    • 8.8.8.8:53
      79.190.18.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      79.190.18.2.in-addr.arpa

    • 8.8.8.8:53
      73.31.126.40.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      73.31.126.40.in-addr.arpa

    • 8.8.8.8:53
      232.168.11.51.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      232.168.11.51.in-addr.arpa

    • 8.8.8.8:53
      241.42.69.40.in-addr.arpa
      dns
      71 B
      145 B
      1
      1

      DNS Request

      241.42.69.40.in-addr.arpa

    • 8.8.8.8:53
      183.59.114.20.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      183.59.114.20.in-addr.arpa

    • 8.8.8.8:53
      240.221.184.93.in-addr.arpa
      dns
      146 B
      144 B
      2
      1

      DNS Request

      240.221.184.93.in-addr.arpa

      DNS Request

      240.221.184.93.in-addr.arpa

    • 8.8.8.8:53
      172.210.232.199.in-addr.arpa
      dns
      74 B
      128 B
      1
      1

      DNS Request

      172.210.232.199.in-addr.arpa

    • 8.8.8.8:53
      14.227.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      14.227.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      251KB

      MD5

      34e4b1c3fbe0af431dbfa32a394d538b

      SHA1

      f3244184975b4613fddee62e1df0befe5f1cb023

      SHA256

      cec6257742a6cb48acd9e0c67e5f3dcf31ae37a5a10b21341e017ddf8dfd6bba

      SHA512

      744ecda9422db65edef59ec38a98c757e38f058d5673ffa0d7cc4a1434fa402262f18a98884f33649c9bcae8e334d2453f337a49f6c24effce32b19e1b7e6200

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      1d5981eb84e918e433f083dd445f3578

      SHA1

      b3be9cf4be408f589dcff53a0df8ee5f8add3e15

      SHA256

      be48fbe9c9ee8053fa2370d7c6edeb47e074bdf61686f2e208f9c3f6b7299ebe

      SHA512

      de4d52a73053a693087b5d3e225a67bc9d5164df5fd641c54c7782974b63c2693d88e883c47ab07ba790322439aee1cc48339f22016050b6ac1da3c8f985860f

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

      Filesize

      644KB

      MD5

      85f79b883012dd5dc037b06f462adac7

      SHA1

      f12851feae4f0bcf48d0d462f45f2decbf94967a

      SHA256

      b336dfcbf2ef97806dd0f82228a4a803a6bd3ca71c8388dc1da04dff8c359b34

      SHA512

      e2abde81d4f1c7c8dd590b6a92b5035e7ec86bcd71b5509065a15912b633989baa8f1f610552098a77f1d43b7516e6042b190c446193ce26a2173ca17c6ca2f9

    • C:\Users\Admin\AppData\Local\Temp\$$aAEAF.bat

      Filesize

      722B

      MD5

      b4879f8558e88cf789fe4401b728f2d5

      SHA1

      defb954d3d5e93a8f524f3fd11110c72d85e2253

      SHA256

      60fc1042e98d9e8dcbbfeacd2737c8b8ff5c52afd94036c367a30da4f8dfc675

      SHA512

      002cd6cd25fb882fec2e30ebfc716bb505a1a83e22e69b72035c6d794bd191990c938884f5aaa96171bc7a4563872e91076a31f03e78362e109c7526b1e31387

    • C:\Users\Admin\AppData\Local\Temp\0f5fa2c8c1f8632fce66cf44fdc64e0aa373295ab49e0fbc397f8be66913ff5b.exe.exe

      Filesize

      684KB

      MD5

      50f289df0c19484e970849aac4e6f977

      SHA1

      3dc77c8830836ab844975eb002149b66da2e10be

      SHA256

      b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

      SHA512

      877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      6c2e4d9285e03d13ad3438424d7c0433

      SHA1

      199aa50fc7e1e2cd42d28599027a07bc33c77012

      SHA256

      ed075c4bc2193c36e740c272f806413273c0cd7ecfa182cf31d9f8e0a2e37cc6

      SHA512

      e44c0dc38f8d8af74b121b1b70e7ed883e186178898e07af391858dd38340ad5915f8f079679073c8b1d60900d387764f38557e8bc1d02752fde02c596f4704c

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-1302416131-1437503476-2806442725-1000\_desktop.ini

      Filesize

      9B

      MD5

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1888-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1888-2925-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1888-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1888-8853-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4904-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4904-12-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

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