Analysis

  • max time kernel
    153s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:27

General

  • Target

    7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe

  • Size

    85KB

  • MD5

    36f04d289ac6cedb95b96542746a0f80

  • SHA1

    9398a6a7677b3bc3f382a702d17eb32402655b1f

  • SHA256

    7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689

  • SHA512

    bcd74cc940adf2dcbc51a319e916cc5795fb61a2c49257faf259e8a889e7fa6dfe6d6ad060d094f73f74604a7ca6eea39ca6a8aeb0af649608a3196b7c36ea9f

  • SSDEEP

    768:I1O5RroZJ767395uINnEfDKBbUCp1OTZ+/VOKZWaIpMh66nIBL+nqXfaIRRlxfGe:I1e+Zk77RNzLiTO7ZCwIvRHxfG3ObF

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe
        "C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:764
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a16EB.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:564
            • C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe
              "C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe"
              4⤵
              • Executes dropped EXE
              PID:1560
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • 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:1396
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1992
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:692
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1388
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1324

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a16EB.bat

            Filesize

            722B

            MD5

            1d13792f38f62cd445b8eca4e81b21ce

            SHA1

            6e66ea3afb1188224582525ec6cec439a9d4e6fd

            SHA256

            9d1c6011a91ddf8e7f4d05b41853c40eebcf1c51e1256d9edeb1c14d85efc9ea

            SHA512

            7d35b48ea9e816bfb130856b5ac53089650cd6fae438920a192e9bd4271d364ee886a0c06633bf46d93109b93fa2cd2766b2501fcfd9a3de0e64dc60c0e0631b

          • C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe

            Filesize

            52KB

            MD5

            c0b96bc33df7c66febc628008fbc76fa

            SHA1

            2ddfe1f3e0decceff7f799e8348d50e2d8fe7bc1

            SHA256

            850bd923c0988ec061d1181bd258eaa4b1310ae5f18c64732fdaf95995670127

            SHA512

            21ae5436f21e2b23aea025ca0d2e46ba97f9eba621760d192f9525865afa2006d2467b4a7ee95d518cad3f58c573b4a7c5ae6bebcfa3da9377c750dbf1e3f658

          • C:\Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe.exe

            Filesize

            52KB

            MD5

            c0b96bc33df7c66febc628008fbc76fa

            SHA1

            2ddfe1f3e0decceff7f799e8348d50e2d8fe7bc1

            SHA256

            850bd923c0988ec061d1181bd258eaa4b1310ae5f18c64732fdaf95995670127

            SHA512

            21ae5436f21e2b23aea025ca0d2e46ba97f9eba621760d192f9525865afa2006d2467b4a7ee95d518cad3f58c573b4a7c5ae6bebcfa3da9377c750dbf1e3f658

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            2592ca339264cf53ce995a6004b4d9de

            SHA1

            8553cada82d8fa4b419a6ea790a9ab5caaa702c9

            SHA256

            8bb5b07ebf476a25f5516bbdfdd2880e8d1cca497d29d209e7c10c8f22517677

            SHA512

            8ca3754f118eddf106f20e0da91875f8db0d7056c61c134867301a3f87d10e58e8cb1241096293da794aac2080f269708390e3deba6317788acc6a4170c95ff7

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            2592ca339264cf53ce995a6004b4d9de

            SHA1

            8553cada82d8fa4b419a6ea790a9ab5caaa702c9

            SHA256

            8bb5b07ebf476a25f5516bbdfdd2880e8d1cca497d29d209e7c10c8f22517677

            SHA512

            8ca3754f118eddf106f20e0da91875f8db0d7056c61c134867301a3f87d10e58e8cb1241096293da794aac2080f269708390e3deba6317788acc6a4170c95ff7

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            2592ca339264cf53ce995a6004b4d9de

            SHA1

            8553cada82d8fa4b419a6ea790a9ab5caaa702c9

            SHA256

            8bb5b07ebf476a25f5516bbdfdd2880e8d1cca497d29d209e7c10c8f22517677

            SHA512

            8ca3754f118eddf106f20e0da91875f8db0d7056c61c134867301a3f87d10e58e8cb1241096293da794aac2080f269708390e3deba6317788acc6a4170c95ff7

          • \Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe

            Filesize

            52KB

            MD5

            c0b96bc33df7c66febc628008fbc76fa

            SHA1

            2ddfe1f3e0decceff7f799e8348d50e2d8fe7bc1

            SHA256

            850bd923c0988ec061d1181bd258eaa4b1310ae5f18c64732fdaf95995670127

            SHA512

            21ae5436f21e2b23aea025ca0d2e46ba97f9eba621760d192f9525865afa2006d2467b4a7ee95d518cad3f58c573b4a7c5ae6bebcfa3da9377c750dbf1e3f658

          • \Users\Admin\AppData\Local\Temp\7f816b8fef1ef863eecbbc50359a5c7eb44b8b45827004286f5267b60ae4c689.exe

            Filesize

            52KB

            MD5

            c0b96bc33df7c66febc628008fbc76fa

            SHA1

            2ddfe1f3e0decceff7f799e8348d50e2d8fe7bc1

            SHA256

            850bd923c0988ec061d1181bd258eaa4b1310ae5f18c64732fdaf95995670127

            SHA512

            21ae5436f21e2b23aea025ca0d2e46ba97f9eba621760d192f9525865afa2006d2467b4a7ee95d518cad3f58c573b4a7c5ae6bebcfa3da9377c750dbf1e3f658

          • memory/556-60-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/556-54-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/564-57-0x0000000000000000-mapping.dmp

          • memory/692-63-0x0000000000000000-mapping.dmp

          • memory/764-56-0x0000000000000000-mapping.dmp

          • memory/1324-67-0x0000000000000000-mapping.dmp

          • memory/1388-66-0x0000000000000000-mapping.dmp

          • memory/1396-64-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1396-58-0x0000000000000000-mapping.dmp

          • memory/1396-74-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1492-55-0x0000000000000000-mapping.dmp

          • memory/1560-72-0x0000000000000000-mapping.dmp

          • memory/1992-62-0x0000000000000000-mapping.dmp