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Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 14:37

General

  • Target

    4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe

  • Size

    149KB

  • MD5

    2a812e6a820cf6e5d0c1d9fc91960f20

  • SHA1

    7c6dbd6c940ea237354b59ee958e18363c2e7374

  • SHA256

    4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978

  • SHA512

    28b7a1ef166dd55c5ba9da66e07791d739bf1f6dd2cb5a27e5920e0a5857a0e315e48ea512ae8c8de6a8fc172b2395f69e1ff9c56e399b11f9efdfa383e92ecf

  • SSDEEP

    3072:1JMGaWXa0+9na0FF53uywafvR6rEy4u1HWWsxayVB9:v7bXZ+9a0FFcPa3R6riu1HWWsoIB9

Malware Config

Signatures

  • Drops file in Drivers directory 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 22 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3092
      • C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe
        "C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4196
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4380
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aBD4A.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1676
            • C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe
              "C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe"
              4⤵
              • Executes dropped EXE
              PID:216
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Adds Run key to start application
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2712
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3104
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:5024
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4496
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2788

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$aBD4A.bat

            Filesize

            722B

            MD5

            b1b84feb201882bf464c75842cc824d7

            SHA1

            36443e90b8a2d64b291d0333aa89d2ea6dd9cb33

            SHA256

            78d14c0f22271e6cf71f2fe61d4e4a2ee5e4bee5d691db366ef6971f3fb28a48

            SHA512

            8369b4d7b216cd2d9ca8c64a71e11229ccd6da80706051b046a0aafb0e854a97e76e4fa54437840cefedbce6f4a8a025b0d4a73635c87630073127da91d23bc8

          • C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe

            Filesize

            79KB

            MD5

            b4e1cf72f0ee559f01b4e69a0657b4d6

            SHA1

            7f6aff0f71e72dc528b6e705a8c2a7a58aad4366

            SHA256

            7b14c6aac6e451836b0757e43ab7d5df8b6c31496df182a02719f9fe16e13b36

            SHA512

            2d08d2b68b792dccff293fdfa253a8cf0b81ab8327745b0260434801417d36cf53655e39467b27f23b36ec6f6b32b30b4acc84652564d6c3ece493097a1cec3b

          • C:\Users\Admin\AppData\Local\Temp\4cd0348c4c23253f592ec6c6eb763cf531ab6f7f647089842d3d3b467492b978.exe.exe

            Filesize

            79KB

            MD5

            b4e1cf72f0ee559f01b4e69a0657b4d6

            SHA1

            7f6aff0f71e72dc528b6e705a8c2a7a58aad4366

            SHA256

            7b14c6aac6e451836b0757e43ab7d5df8b6c31496df182a02719f9fe16e13b36

            SHA512

            2d08d2b68b792dccff293fdfa253a8cf0b81ab8327745b0260434801417d36cf53655e39467b27f23b36ec6f6b32b30b4acc84652564d6c3ece493097a1cec3b

          • C:\Windows\Logo1_.exe

            Filesize

            69KB

            MD5

            da79cc012e1b885a2e5f124c1555e2b0

            SHA1

            ae73909e579e5e08cef224201f110acf76e7b3de

            SHA256

            1e36b5c0b0205de3ddfe6582239ef752c71f871a525cd817f8088a388db6d43c

            SHA512

            5ab8c0b46cf962c70bf2a51db9d4eb023427fec2322059606088f91d3ee10686407612c22520e78b322ed31b9fe7632bc2fa38dc0410f86df32c517aeb7494fc

          • C:\Windows\Logo1_.exe

            Filesize

            69KB

            MD5

            da79cc012e1b885a2e5f124c1555e2b0

            SHA1

            ae73909e579e5e08cef224201f110acf76e7b3de

            SHA256

            1e36b5c0b0205de3ddfe6582239ef752c71f871a525cd817f8088a388db6d43c

            SHA512

            5ab8c0b46cf962c70bf2a51db9d4eb023427fec2322059606088f91d3ee10686407612c22520e78b322ed31b9fe7632bc2fa38dc0410f86df32c517aeb7494fc

          • C:\Windows\uninstall\rundl132.exe

            Filesize

            69KB

            MD5

            da79cc012e1b885a2e5f124c1555e2b0

            SHA1

            ae73909e579e5e08cef224201f110acf76e7b3de

            SHA256

            1e36b5c0b0205de3ddfe6582239ef752c71f871a525cd817f8088a388db6d43c

            SHA512

            5ab8c0b46cf962c70bf2a51db9d4eb023427fec2322059606088f91d3ee10686407612c22520e78b322ed31b9fe7632bc2fa38dc0410f86df32c517aeb7494fc

          • memory/2712-147-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/2712-148-0x00000000001E0000-0x0000000000200000-memory.dmp

            Filesize

            128KB

          • memory/2712-152-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/2712-153-0x00000000001E0000-0x0000000000200000-memory.dmp

            Filesize

            128KB

          • memory/4196-140-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/4196-132-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/4196-133-0x00000000001E0000-0x0000000000200000-memory.dmp

            Filesize

            128KB