Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 14:27

General

  • Target

    bawo.exe

  • Size

    7.8MB

  • MD5

    b8d03a02e654dfc840f21297b8dc99b2

  • SHA1

    615aced62a15e9a1733bfb2c390ba83f024bbbd7

  • SHA256

    40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef

  • SHA512

    5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194

  • SSDEEP

    196608:KUYuomDLdUgXNjeOoUoB/mZMnsDJKB4o+uBxKd8c:TzoQLd0O6B7c0BTLjbc

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitnow7005.duckdns.org:7005

Attributes
  • communication_password

    827ccb0eea8a706c4c34a16891f84e7b

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bawo.exe
    "C:\Users\Admin\AppData\Local\Temp\bawo.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1164
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
        2⤵
          PID:2532
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1348
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:2660
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\bawo.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
          2⤵
            PID:2812
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {E9BC2AFC-DA9D-441D-BD5E-CBABAD2CA225} S-1-5-21-607259312-1573743425-2763420908-1000:NGTQGRML\Admin:Interactive:[1]
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:1352
          • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2876
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
                PID:2992
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:2776
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
                  3⤵
                    PID:2828
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2708
                    • C:\Windows\SysWOW64\schtasks.exe
                      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\svchost\svchost.exe'" /f
                      4⤵
                      • Creates scheduled task(s)
                      PID:1528
                • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                  C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
                  2⤵
                  • Executes dropped EXE
                  PID:444

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                7.8MB

                MD5

                b8d03a02e654dfc840f21297b8dc99b2

                SHA1

                615aced62a15e9a1733bfb2c390ba83f024bbbd7

                SHA256

                40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef

                SHA512

                5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                7.8MB

                MD5

                b8d03a02e654dfc840f21297b8dc99b2

                SHA1

                615aced62a15e9a1733bfb2c390ba83f024bbbd7

                SHA256

                40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef

                SHA512

                5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194

              • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe

                Filesize

                7.8MB

                MD5

                b8d03a02e654dfc840f21297b8dc99b2

                SHA1

                615aced62a15e9a1733bfb2c390ba83f024bbbd7

                SHA256

                40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef

                SHA512

                5f9b459df94dac7dc17f90a8dc53d968c3c0e2fc5c41b107ece1683621ef887d8f01abeec04ec0d9beb87fd11c54f39d71c7ec5c2502ec1db68ffacd018c4194

              • memory/1164-28-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-36-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-5-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-7-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-9-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-11-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-13-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-15-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-17-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                Filesize

                4KB

              • memory/1164-21-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-23-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-30-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-32-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1164-34-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/1728-1-0x00000000003C0000-0x0000000000B86000-memory.dmp

                Filesize

                7.8MB

              • memory/1728-0-0x0000000074DD0000-0x00000000754BE000-memory.dmp

                Filesize

                6.9MB

              • memory/1728-4-0x0000000006A20000-0x00000000071AA000-memory.dmp

                Filesize

                7.5MB

              • memory/1728-3-0x0000000074DD0000-0x00000000754BE000-memory.dmp

                Filesize

                6.9MB

              • memory/1728-2-0x00000000051F0000-0x0000000005230000-memory.dmp

                Filesize

                256KB

              • memory/1728-24-0x0000000074DD0000-0x00000000754BE000-memory.dmp

                Filesize

                6.9MB

              • memory/2876-43-0x0000000074C50000-0x000000007533E000-memory.dmp

                Filesize

                6.9MB

              • memory/2876-40-0x0000000074C50000-0x000000007533E000-memory.dmp

                Filesize

                6.9MB

              • memory/2876-41-0x00000000000D0000-0x0000000000896000-memory.dmp

                Filesize

                7.8MB

              • memory/2876-44-0x0000000002610000-0x0000000002650000-memory.dmp

                Filesize

                256KB

              • memory/2876-63-0x0000000074C50000-0x000000007533E000-memory.dmp

                Filesize

                6.9MB

              • memory/2876-42-0x0000000002610000-0x0000000002650000-memory.dmp

                Filesize

                256KB

              • memory/2992-76-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/2992-78-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB

              • memory/2992-81-0x0000000000400000-0x00000000007CE000-memory.dmp

                Filesize

                3.8MB