Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2022 06:38

General

  • Target

    BILLPAYM.exe

  • Size

    300.0MB

  • MD5

    41d8a777ddc40a009a046f88900c0b80

  • SHA1

    25dfd72ffe79eb5884d27fead86f4886bed638de

  • SHA256

    e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

  • SHA512

    e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

  • SSDEEP

    24576:R+GQ7D8nXiNeGFPQKpFCjI/teJb2Q/eF2YlIECXRPbSVKcS2nOI3lqaNJJxEJYsO:R+GaeGtpFC8/mb9ejKulkPaNJo

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

newbithere.duckdns.org:2005

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.

  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 4 IoCs
  • UPX packed file 14 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe
    "C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:3952
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
      2⤵
        PID:1812
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:3380
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 540
            3⤵
            • Program crash
            PID:1288
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3380 -ip 3380
        1⤵
          PID:3616
        • C:\Users\Admin\AppData\Roaming\Windows.exe
          C:\Users\Admin\AppData\Roaming\Windows.exe
          1⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4484
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1848
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
              3⤵
              • Creates scheduled task(s)
              PID:4436
          • C:\Windows\SysWOW64\cmd.exe
            "cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
            2⤵
              PID:4652
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              2⤵
                PID:2848
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2848 -s 540
                  3⤵
                  • Program crash
                  PID:400
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 2848 -ip 2848
              1⤵
                PID:3996
              • C:\Users\Admin\AppData\Roaming\Windows.exe
                C:\Users\Admin\AppData\Roaming\Windows.exe
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:744
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4484
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
                    3⤵
                    • Creates scheduled task(s)
                    PID:3672
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
                  2⤵
                    PID:4796
                  • 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 SetThreadContext
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    PID:64
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      -a "C:\Users\Admin\AppData\Local\771c9f7f\plg\eW2zjQNL.json"
                      3⤵
                        PID:4992
                      • C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe
                        -a "C:\Users\Admin\AppData\Local\771c9f7f\plg\eW2zjQNL.json"
                        3⤵
                        • Executes dropped EXE
                        • Suspicious use of SetThreadContext
                        • Suspicious use of WriteProcessMemory
                        PID:1984
                        • C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe
                          -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
                          4⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Accesses Microsoft Outlook accounts
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          PID:1800

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\771c9f7f\plg\eW2zjQNL.json

                    Filesize

                    1KB

                    MD5

                    ce3e2f5f04eff81b3b7130a90a8e3a6e

                    SHA1

                    fe9ac39d1db0a28aeef54741003d3f639125dc1c

                    SHA256

                    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

                    SHA512

                    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

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

                    Filesize

                    612B

                    MD5

                    2a9d08fe8550d5c1bd2234a9bba5f499

                    SHA1

                    002f0e108e5b1141f507b7e6851b6778a749e223

                    SHA256

                    af40b88a9082d1a47f6339d384de9a1936fca4bf8013826bbae4606c988713dd

                    SHA512

                    7a0e924ac0209566d7bd63529a9732bd87b4981209bcd7038df61fa9990768d6a7882a18067cd6f1dd5c034f835ca6f0c3da2c6d78ff822165e2027f5d86aedf

                  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor

                    Filesize

                    104B

                    MD5

                    4f3bde9212e17ef18226866d6ac739b6

                    SHA1

                    732733bec8314beb81437e60876ffa75e72ae6cd

                    SHA256

                    212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

                    SHA512

                    10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

                  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor

                    Filesize

                    104B

                    MD5

                    bf5da170f7c9a8eae88d1cb1a191ff80

                    SHA1

                    dd1b991a1b03587a5d1edc94e919a2070e325610

                    SHA256

                    e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

                    SHA512

                    9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

                  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll

                    Filesize

                    793KB

                    MD5

                    86114faba7e1ec4a667d2bcb2e23f024

                    SHA1

                    670df6e1ba1dc6bece046e8b2e573dd36748245e

                    SHA256

                    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

                    SHA512

                    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

                  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll

                    Filesize

                    793KB

                    MD5

                    86114faba7e1ec4a667d2bcb2e23f024

                    SHA1

                    670df6e1ba1dc6bece046e8b2e573dd36748245e

                    SHA256

                    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

                    SHA512

                    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

                  • C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe

                    Filesize

                    402B

                    MD5

                    ca42e05f9d53c7ec9383307c1ea282bb

                    SHA1

                    ed0efa1b59b461dcda08121a39411bee72f6b4cb

                    SHA256

                    63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                    SHA512

                    4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

                  • C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe

                    Filesize

                    402B

                    MD5

                    ca42e05f9d53c7ec9383307c1ea282bb

                    SHA1

                    ed0efa1b59b461dcda08121a39411bee72f6b4cb

                    SHA256

                    63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                    SHA512

                    4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

                  • C:\Users\Admin\AppData\Local\Temp\eW2zjQNL.exe

                    Filesize

                    402B

                    MD5

                    ca42e05f9d53c7ec9383307c1ea282bb

                    SHA1

                    ed0efa1b59b461dcda08121a39411bee72f6b4cb

                    SHA256

                    63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                    SHA512

                    4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

                  • C:\Users\Admin\AppData\Local\Temp\unk.xml

                    Filesize

                    1KB

                    MD5

                    ce3e2f5f04eff81b3b7130a90a8e3a6e

                    SHA1

                    fe9ac39d1db0a28aeef54741003d3f639125dc1c

                    SHA256

                    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

                    SHA512

                    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

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

                    Filesize

                    300.0MB

                    MD5

                    41d8a777ddc40a009a046f88900c0b80

                    SHA1

                    25dfd72ffe79eb5884d27fead86f4886bed638de

                    SHA256

                    e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

                    SHA512

                    e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

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

                    Filesize

                    300.0MB

                    MD5

                    41d8a777ddc40a009a046f88900c0b80

                    SHA1

                    25dfd72ffe79eb5884d27fead86f4886bed638de

                    SHA256

                    e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

                    SHA512

                    e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

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

                    Filesize

                    300.0MB

                    MD5

                    41d8a777ddc40a009a046f88900c0b80

                    SHA1

                    25dfd72ffe79eb5884d27fead86f4886bed638de

                    SHA256

                    e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

                    SHA512

                    e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

                  • memory/64-166-0x0000000000400000-0x00000000007E4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/64-165-0x0000000075180000-0x00000000751B9000-memory.dmp

                    Filesize

                    228KB

                  • memory/64-164-0x0000000074E00000-0x0000000074E39000-memory.dmp

                    Filesize

                    228KB

                  • memory/64-163-0x0000000000400000-0x00000000007E4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/64-162-0x0000000000400000-0x00000000007E4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/64-158-0x0000000000000000-mapping.dmp

                  • memory/64-161-0x0000000000400000-0x00000000007E4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/64-160-0x0000000000400000-0x00000000007E4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/1800-176-0x0000000000000000-mapping.dmp

                  • memory/1800-187-0x0000000010000000-0x0000000010227000-memory.dmp

                    Filesize

                    2.2MB

                  • memory/1800-181-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1800-182-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1800-177-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1800-186-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1800-189-0x0000000010000000-0x0000000010227000-memory.dmp

                    Filesize

                    2.2MB

                  • memory/1800-179-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1800-188-0x0000000000400000-0x00000000006FE000-memory.dmp

                    Filesize

                    3.0MB

                  • memory/1812-139-0x0000000000000000-mapping.dmp

                  • memory/1848-147-0x0000000000000000-mapping.dmp

                  • memory/1984-168-0x0000000000000000-mapping.dmp

                  • memory/1984-169-0x0000000000400000-0x00000000008DC000-memory.dmp

                    Filesize

                    4.9MB

                  • memory/1984-173-0x0000000000400000-0x00000000008DC000-memory.dmp

                    Filesize

                    4.9MB

                  • memory/1984-174-0x0000000000400000-0x00000000008DC000-memory.dmp

                    Filesize

                    4.9MB

                  • memory/1984-175-0x0000000000400000-0x00000000008DC000-memory.dmp

                    Filesize

                    4.9MB

                  • memory/1984-192-0x0000000000400000-0x00000000008DC000-memory.dmp

                    Filesize

                    4.9MB

                  • memory/2848-149-0x0000000000000000-mapping.dmp

                  • memory/2848-152-0x0000000000910000-0x0000000000CF4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/2848-153-0x0000000000910000-0x0000000000CF4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/3380-144-0x00000000009C0000-0x0000000000DA4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/3380-143-0x00000000009C0000-0x0000000000DA4000-memory.dmp

                    Filesize

                    3.9MB

                  • memory/3380-141-0x0000000000000000-mapping.dmp

                  • memory/3672-159-0x0000000000000000-mapping.dmp

                  • memory/3748-138-0x0000000000000000-mapping.dmp

                  • memory/3844-135-0x0000000000F70000-0x0000000001146000-memory.dmp

                    Filesize

                    1.8MB

                  • memory/3844-137-0x0000000006190000-0x0000000006734000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/3844-136-0x0000000005AB0000-0x0000000005B16000-memory.dmp

                    Filesize

                    408KB

                  • memory/3952-140-0x0000000000000000-mapping.dmp

                  • memory/4436-150-0x0000000000000000-mapping.dmp

                  • memory/4484-156-0x0000000000000000-mapping.dmp

                  • memory/4652-148-0x0000000000000000-mapping.dmp

                  • memory/4796-157-0x0000000000000000-mapping.dmp

                  • memory/4992-167-0x0000000000000000-mapping.dmp