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Analysis

  • max time kernel
    155s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 10:46

General

  • Target

    b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe

  • Size

    96KB

  • MD5

    069c7bcd307933cffff7983d51de9860

  • SHA1

    40b1ede6ca8cc2b9063ab32efa0fa067f2369ec0

  • SHA256

    b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8

  • SHA512

    5c16d371cce8d8d5b3d2f924d79815c2a303a919a6aed020b71e6217e64941fc4b6b84d1f4a5adb09f5116e7bb9e4048e7213bb7de4c7124e6dc7fe5e5f5012d

  • SSDEEP

    1536:q7qnkAQtSaoGo5n4iLG0/WM6TJmHSaYqeyEjxO8SXzpn9t6UN:DCSjGoLpWM6VsBEjxOZd5

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • 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:2080
      • C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe
        "C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.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:2304
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1432
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3520
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aF997.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3604
            • C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe
              "C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe"
              4⤵
              • Executes dropped EXE
              PID:1980
          • 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:3472
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2072
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4164
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3576
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:476

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$aF997.bat

            Filesize

            722B

            MD5

            3ff4ac3f2aad1e6a063c6c6b03432513

            SHA1

            f2ff2d3b7c91844e849f45c2570e63f6b032a550

            SHA256

            242d10ef8bb0954340eeb22ab81f8156eba152510b9627c135fe65c422ad8157

            SHA512

            82a4b8461bfc6d9dfb1d5d36758a9809c5bea58f8ed2bba613b8bb3761ec2391da213b2a895060473e5a5b493706f9b0eaf07f46a76f14c3a694f038676e3055

          • C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe

            Filesize

            3KB

            MD5

            7c75c50d6d3866eedeefe20e9ddd3621

            SHA1

            513fc935746751f962dffd5376663e366c8e4685

            SHA256

            1935572d9a9783ea4f0d8b4c91dfea4504a7029e57684270f3447a18afe7847c

            SHA512

            e012ff125378267204ede6fdb89fb6b1b1549f766d9fe6ff0e6f71213ebb596021636e1d0999b2d1a34493cd00e8d17ea4612e7f40b535ec90a643bbc90aaedb

          • C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe.exe

            Filesize

            3KB

            MD5

            7c75c50d6d3866eedeefe20e9ddd3621

            SHA1

            513fc935746751f962dffd5376663e366c8e4685

            SHA256

            1935572d9a9783ea4f0d8b4c91dfea4504a7029e57684270f3447a18afe7847c

            SHA512

            e012ff125378267204ede6fdb89fb6b1b1549f766d9fe6ff0e6f71213ebb596021636e1d0999b2d1a34493cd00e8d17ea4612e7f40b535ec90a643bbc90aaedb

          • C:\Windows\Logo1_.exe

            Filesize

            93KB

            MD5

            b7e7e23ce4c05a4df5cfc2ac465dcdaa

            SHA1

            816479eae77ad4f06265cb0359cbacbd960694fc

            SHA256

            8417a4346e265966ba04fcd06bc4a385b3b2e39439a1cb64bd5a0607a5554b05

            SHA512

            2f1e60b444001925ff85cdc499982a8b353f4554884d634c502964d50dae3ce2cddf77fc2d587d8018c91ee7aa6f6b590bbb0880e75b795360b360caf63a305a

          • C:\Windows\Logo1_.exe

            Filesize

            93KB

            MD5

            b7e7e23ce4c05a4df5cfc2ac465dcdaa

            SHA1

            816479eae77ad4f06265cb0359cbacbd960694fc

            SHA256

            8417a4346e265966ba04fcd06bc4a385b3b2e39439a1cb64bd5a0607a5554b05

            SHA512

            2f1e60b444001925ff85cdc499982a8b353f4554884d634c502964d50dae3ce2cddf77fc2d587d8018c91ee7aa6f6b590bbb0880e75b795360b360caf63a305a

          • C:\Windows\uninstall\rundl132.exe

            Filesize

            93KB

            MD5

            b7e7e23ce4c05a4df5cfc2ac465dcdaa

            SHA1

            816479eae77ad4f06265cb0359cbacbd960694fc

            SHA256

            8417a4346e265966ba04fcd06bc4a385b3b2e39439a1cb64bd5a0607a5554b05

            SHA512

            2f1e60b444001925ff85cdc499982a8b353f4554884d634c502964d50dae3ce2cddf77fc2d587d8018c91ee7aa6f6b590bbb0880e75b795360b360caf63a305a

          • memory/2304-135-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/2304-134-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/3472-140-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/3472-146-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB