Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 22:23

General

  • Target

    9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe

  • Size

    491KB

  • MD5

    b0a6bf8d8898dddb25f6b0da52379a4a

  • SHA1

    5b76b473f09844579216683c6129fcdef25bac3b

  • SHA256

    9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272

  • SHA512

    99469eb52f054e05bb22556d926ecafc34efd90ff63d13be11b6c78fd3279b5881c8c1092fb0855ad72d518b3b11e5325740c109e6fbaebcadd14310ca6f2eb7

  • SSDEEP

    12288:73WFjV1gL5pRTcAkS/3hzN8qE43fm78V:73MI5jcAkSYqyE

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1188
      • C:\Users\Admin\AppData\Local\Temp\9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe
        "C:\Users\Admin\AppData\Local\Temp\9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2180
        • 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:1248
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a226F.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2356
            • C:\Users\Admin\AppData\Local\Temp\9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe
              "C:\Users\Admin\AppData\Local\Temp\9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe"
              4⤵
              • Executes dropped EXE
              PID:2824
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2668
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2692
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2100
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2300
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2584

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

            Filesize

            478KB

            MD5

            e3ed025983edd3f0811b528d691f5aad

            SHA1

            d4dba9af05f4499e9b7b9152b4b79fdc392fea0e

            SHA256

            baabdc56c507e1820de6caf9cfd27eb3298c955fe5725460cfb9b2e833546005

            SHA512

            f0c40858619b35c307a55ecb3647645717a05fc229dcf3af6562720305a38b4ed2e7f4000a50ba44d2644173a1c99c8781859236f497c4d79437d19043914567

          • C:\Users\Admin\AppData\Local\Temp\$$a226F.bat

            Filesize

            722B

            MD5

            5eed529bf4e477953f9f9f67a8a1764a

            SHA1

            88a364e4839cd49536e6b67637b481d3faec9223

            SHA256

            e8b0a9477bb2b8b32ca71f31efe9fffcba9065d3be4c2c4f8e70880cb647d3cf

            SHA512

            3888a4b8f16483031773f039fc32cababd9204288d0a76d75c6b47899a684bb2ef28dcd6369f6c81d4e567ad236b7fc3c1dd28ac5a605eef5e0163e13a87f28c

          • C:\Users\Admin\AppData\Local\Temp\9c87bee394fa62153c5105168222818705f704dd1d9dfdb91907382183ad6272.exe.exe

            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            72524cf9b862c04eda809519e1ff803e

            SHA1

            31cb19b48f493554e3e8a6d8b8a41854698711e0

            SHA256

            f602e3036944a0423d2c1fd94dea02cbd48e5f64bb346deddb8d8585c0cd2f94

            SHA512

            66e3525b995b673f1b82d88679045379f18e16b10a53a00f4bef9175cb6980c4fce1eba62b92a9b6bb91752142572ee0f8ff3a1a317ddd7b7f7247e5d1059abb

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

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • F:\$RECYCLE.BIN\S-1-5-21-481678230-3773327859-3495911762-1000\_desktop.ini

            Filesize

            9B

            MD5

            ef2876ec14bdb3dc085fc3af9311b015

            SHA1

            68b64b46b1ff0fdc9f009d8fffb8ee87c597fa56

            SHA256

            ac2a34b4f2d44d19ca4269caf9f4e71cdb0b95ba8eb89ed52c5bc56eeeb1971c

            SHA512

            c9998caa062ad5b1da853fabb80e88e41d9f96109af89df0309be20469ca8f5be9dd1c08f3c97030e3a487732e82304f60ee2627462e017579da4204bc163c8f

          • memory/1188-28-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

            Filesize

            4KB

          • memory/2180-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2180-17-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2668-18-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2668-32-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2668-3303-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2668-4134-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB