Analysis

  • max time kernel
    150s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 10:19

General

  • Target

    40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.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 NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe
    "C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3032
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
      2⤵
        PID:2268
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\40f3e277da7a04b58913ba390827cfd51b318f40768c58f81361b832096ce1ef.exe" "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        2⤵
          PID:2548
        • 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:1532
          • 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:2520
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {5206414B-E711-493C-8401-1A3491827D6F} S-1-5-21-686452656-3203474025-4140627569-1000:UUVOHKNL\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2984
        • 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:808
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            PID:1952
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
            3⤵
              PID:1296
            • 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:1636
              • 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:1628
            • 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:1680
            • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:520
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                3⤵
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:1228
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\svchost"
                3⤵
                  PID:2412
                • 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⤵
                    PID:2408
                    • 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:1784
                  • 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:1756

                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/520-110-0x0000000000B90000-0x0000000000BD0000-memory.dmp
                  Filesize

                  256KB

                • memory/520-104-0x0000000074190000-0x000000007487E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/520-106-0x00000000012C0000-0x0000000001A86000-memory.dmp
                  Filesize

                  7.8MB

                • memory/520-108-0x0000000000B90000-0x0000000000BD0000-memory.dmp
                  Filesize

                  256KB

                • memory/520-142-0x0000000074190000-0x000000007487E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/520-109-0x0000000074190000-0x000000007487E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/808-61-0x0000000074210000-0x00000000748FE000-memory.dmp
                  Filesize

                  6.9MB

                • memory/808-60-0x0000000005300000-0x0000000005340000-memory.dmp
                  Filesize

                  256KB

                • memory/808-58-0x00000000012C0000-0x0000000001A86000-memory.dmp
                  Filesize

                  7.8MB

                • memory/808-59-0x0000000074210000-0x00000000748FE000-memory.dmp
                  Filesize

                  6.9MB

                • memory/808-98-0x0000000074210000-0x00000000748FE000-memory.dmp
                  Filesize

                  6.9MB

                • memory/1228-141-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/1228-147-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/1952-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
                  Filesize

                  4KB

                • memory/1984-3-0x0000000074A30000-0x000000007511E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/1984-24-0x0000000074A30000-0x000000007511E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/1984-4-0x0000000004D70000-0x0000000004DB0000-memory.dmp
                  Filesize

                  256KB

                • memory/1984-0-0x0000000074A30000-0x000000007511E000-memory.dmp
                  Filesize

                  6.9MB

                • memory/1984-5-0x0000000006FB0000-0x000000000773A000-memory.dmp
                  Filesize

                  7.5MB

                • memory/1984-2-0x0000000004D70000-0x0000000004DB0000-memory.dmp
                  Filesize

                  256KB

                • memory/1984-1-0x0000000000280000-0x0000000000A46000-memory.dmp
                  Filesize

                  7.8MB

                • memory/3032-47-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-33-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-45-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-46-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-43-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-49-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-51-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-52-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-53-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-54-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-55-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-41-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-37-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-39-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-35-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-44-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-31-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-62-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-63-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-65-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-64-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-29-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-25-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-22-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
                  Filesize

                  4KB

                • memory/3032-18-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-16-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-14-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-12-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-10-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-8-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB

                • memory/3032-6-0x0000000000400000-0x00000000007CE000-memory.dmp
                  Filesize

                  3.8MB