Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2023 19:37

General

  • Target

    1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a.exe

  • Size

    3.8MB

  • MD5

    d07b7112b39c9eee7eaeba1adb099543

  • SHA1

    1df70cc161540228240e1dde290ac2f5efcfbb0c

  • SHA256

    1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a

  • SHA512

    9f82564e59b49e503de3aad4b7a28a163b3de543a807522c48c5b6f3a005cb38b37e99fab6865e0e064be9c1cf6e2cbec616e7cbb2218ea9f1fbd2015ef9e135

  • SSDEEP

    98304:cCtEONaf1kMdpRfZJDRJwdaUNa8gPgEICG6x098gJ2uCB9Ml:RE0UkkHRJuNawLCG6x+8gJFm

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

74.201.28.92:3569

Attributes
  • communication_password

    148b191cf4e80b549e1b1a4444f2bdf6

  • 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 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Uses the VBS compiler for execution 1 TTPs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Drops file in Windows directory 25 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a.exe
    "C:\Users\Admin\AppData\Local\Temp\1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4588
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        -a "C:\Users\Admin\AppData\Local\1868f947\plg\fF1fTYIM.json"
        3⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4728
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
          4⤵
            PID:2040
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\tewu"
        2⤵
          PID:4284
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4344
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:4596
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a.exe" "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe"
          2⤵
            PID:1572
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k netsvcs -p
          1⤵
          • Drops file in System32 directory
          • Checks processor information in registry
          • Enumerates system info in registry
          PID:4440
        • C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
          C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1828
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            PID:4416
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\tewu"
            2⤵
              PID:4404
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:2052
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
                3⤵
                • Creates scheduled task(s)
                PID:4412
            • C:\Windows\SysWOW64\cmd.exe
              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe" "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe"
              2⤵
                PID:4560
            • C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
              C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:5064
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                2⤵
                  PID:2024
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 188
                    3⤵
                    • Program crash
                    PID:1436
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\tewu"
                  2⤵
                    PID:2120
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
                    2⤵
                      PID:568
                      • C:\Windows\SysWOW64\schtasks.exe
                        schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
                        3⤵
                        • Creates scheduled task(s)
                        PID:3864
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c copy "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe" "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe"
                      2⤵
                        PID:1448
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2024 -ip 2024
                      1⤵
                        PID:4868
                      • C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
                        C:\Users\Admin\AppData\Roaming\tewu\tewu.exe
                        1⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        PID:5036
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                          2⤵
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          • Suspicious use of AdjustPrivilegeToken
                          PID:3256
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\tewu"
                          2⤵
                            PID:1656
                          • C:\Windows\SysWOW64\cmd.exe
                            "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
                            2⤵
                              PID:2656
                              • C:\Windows\SysWOW64\schtasks.exe
                                schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\tewu\tewu.exe'" /f
                                3⤵
                                • Creates scheduled task(s)
                                PID:4036
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd" /c copy "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe" "C:\Users\Admin\AppData\Roaming\tewu\tewu.exe"
                              2⤵
                                PID:3808

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\1868f947\plg\fF1fTYIM.json

                              Filesize

                              1B

                              MD5

                              cfcd208495d565ef66e7dff9f98764da

                              SHA1

                              b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                              SHA256

                              5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                              SHA512

                              31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tewu.exe.log

                              Filesize

                              517B

                              MD5

                              13f84b613e6a4dd2d82f7c44b2295a04

                              SHA1

                              f9e07213c2825ecb28e732f3e66e07625747c4b3

                              SHA256

                              d9c52c1eb0b6a04d3495ab971da2c6d01b0964a8b04fd173bfb351820b255c33

                              SHA512

                              3a2aca3d21bff43e36de5d9c97b0d1a9c972ee5ab0d9322a3615c0820042a7c9c4c0f2d41522fb4f2347b9a1679b63c91dcf5dc75444ba64c736e2cdcf10ee7d

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

                              Filesize

                              3.8MB

                              MD5

                              d07b7112b39c9eee7eaeba1adb099543

                              SHA1

                              1df70cc161540228240e1dde290ac2f5efcfbb0c

                              SHA256

                              1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a

                              SHA512

                              9f82564e59b49e503de3aad4b7a28a163b3de543a807522c48c5b6f3a005cb38b37e99fab6865e0e064be9c1cf6e2cbec616e7cbb2218ea9f1fbd2015ef9e135

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

                              Filesize

                              3.8MB

                              MD5

                              d07b7112b39c9eee7eaeba1adb099543

                              SHA1

                              1df70cc161540228240e1dde290ac2f5efcfbb0c

                              SHA256

                              1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a

                              SHA512

                              9f82564e59b49e503de3aad4b7a28a163b3de543a807522c48c5b6f3a005cb38b37e99fab6865e0e064be9c1cf6e2cbec616e7cbb2218ea9f1fbd2015ef9e135

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

                              Filesize

                              3.8MB

                              MD5

                              d07b7112b39c9eee7eaeba1adb099543

                              SHA1

                              1df70cc161540228240e1dde290ac2f5efcfbb0c

                              SHA256

                              1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a

                              SHA512

                              9f82564e59b49e503de3aad4b7a28a163b3de543a807522c48c5b6f3a005cb38b37e99fab6865e0e064be9c1cf6e2cbec616e7cbb2218ea9f1fbd2015ef9e135

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

                              Filesize

                              3.8MB

                              MD5

                              d07b7112b39c9eee7eaeba1adb099543

                              SHA1

                              1df70cc161540228240e1dde290ac2f5efcfbb0c

                              SHA256

                              1c0493090eb306714a26e5a30404947c325dc75410adf4ee4ea18ea159302b9a

                              SHA512

                              9f82564e59b49e503de3aad4b7a28a163b3de543a807522c48c5b6f3a005cb38b37e99fab6865e0e064be9c1cf6e2cbec616e7cbb2218ea9f1fbd2015ef9e135

                            • memory/2308-140-0x0000000005870000-0x0000000005880000-memory.dmp

                              Filesize

                              64KB

                            • memory/2308-133-0x0000000000910000-0x0000000000CE4000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/2308-135-0x0000000005620000-0x0000000005686000-memory.dmp

                              Filesize

                              408KB

                            • memory/3256-313-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/3256-316-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4416-183-0x00000000746B0000-0x00000000746E9000-memory.dmp

                              Filesize

                              228KB

                            • memory/4416-182-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4416-174-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4416-172-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4416-171-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-184-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-193-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-157-0x0000000074920000-0x0000000074959000-memory.dmp

                              Filesize

                              228KB

                            • memory/4588-164-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-155-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-154-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-153-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-150-0x00000000745A0000-0x00000000745D9000-memory.dmp

                              Filesize

                              228KB

                            • memory/4588-152-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-175-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-176-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-177-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-178-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-179-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-151-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-149-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-147-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-185-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-186-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-187-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-188-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-189-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-190-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-191-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-192-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-156-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-194-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-198-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-137-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-138-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-139-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-287-0x0000000074920000-0x0000000074959000-memory.dmp

                              Filesize

                              228KB

                            • memory/4588-286-0x00000000745A0000-0x00000000745D9000-memory.dmp

                              Filesize

                              228KB

                            • memory/4588-253-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-256-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-148-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-257-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-258-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-260-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-263-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-267-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-146-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4588-142-0x0000000000400000-0x00000000007CE000-memory.dmp

                              Filesize

                              3.8MB

                            • memory/4728-252-0x0000000000400000-0x00000000008DC000-memory.dmp

                              Filesize

                              4.9MB

                            • memory/4728-212-0x0000000000400000-0x00000000008DC000-memory.dmp

                              Filesize

                              4.9MB

                            • memory/4728-204-0x0000000000400000-0x00000000008DC000-memory.dmp

                              Filesize

                              4.9MB

                            • memory/4728-203-0x0000000000400000-0x00000000008DC000-memory.dmp

                              Filesize

                              4.9MB

                            • memory/4728-201-0x0000000000400000-0x00000000008DC000-memory.dmp

                              Filesize

                              4.9MB

                            • memory/5036-312-0x0000000005130000-0x0000000005140000-memory.dmp

                              Filesize

                              64KB

                            • memory/5064-276-0x0000000005910000-0x0000000005920000-memory.dmp

                              Filesize

                              64KB