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Analysis

  • max time kernel
    151s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-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

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1244
      • 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:1632
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1396
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1156
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7D99.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1984
            • C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe
              "C:\Users\Admin\AppData\Local\Temp\b90fe662be3237ac4e373a3da385a354e8e0bbff01160c8c3c5a25de573903d8.exe"
              4⤵
              • Executes dropped EXE
              PID:1940
          • 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:1764
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1048
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:676
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:568
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:452

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\$$a7D99.bat

            Filesize

            722B

            MD5

            8fa1302c4e928e1d3e8e9714177c8234

            SHA1

            9063a0d0e4a3e96583977a6c9cb1985dd66db7e2

            SHA256

            b5cd960554a489c2ab245ba2961741cd5f053e60651849824902e3dfb6ca8a5c

            SHA512

            2056793b44e3a5e2d4f40c9e6617be0fa0c95bf7a68fc0d7a3875fb5acc9ced3950f08dfde8f2eff19bf5d555b3ec23768f040645f4b9b12299649bd3255f40a

          • 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

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

            Filesize

            3KB

            MD5

            7c75c50d6d3866eedeefe20e9ddd3621

            SHA1

            513fc935746751f962dffd5376663e366c8e4685

            SHA256

            1935572d9a9783ea4f0d8b4c91dfea4504a7029e57684270f3447a18afe7847c

            SHA512

            e012ff125378267204ede6fdb89fb6b1b1549f766d9fe6ff0e6f71213ebb596021636e1d0999b2d1a34493cd00e8d17ea4612e7f40b535ec90a643bbc90aaedb

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

            Filesize

            3KB

            MD5

            7c75c50d6d3866eedeefe20e9ddd3621

            SHA1

            513fc935746751f962dffd5376663e366c8e4685

            SHA256

            1935572d9a9783ea4f0d8b4c91dfea4504a7029e57684270f3447a18afe7847c

            SHA512

            e012ff125378267204ede6fdb89fb6b1b1549f766d9fe6ff0e6f71213ebb596021636e1d0999b2d1a34493cd00e8d17ea4612e7f40b535ec90a643bbc90aaedb

          • memory/1632-61-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1632-56-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1764-70-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB

          • memory/1764-74-0x0000000000400000-0x000000000042A000-memory.dmp

            Filesize

            168KB