Analysis

  • max time kernel
    187s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08/07/2022, 11:41

General

  • Target

    a667753900a6ec0b6339d02463d20b5c.exe

  • Size

    3.0MB

  • MD5

    a667753900a6ec0b6339d02463d20b5c

  • SHA1

    fec54d99bb6b69581f1683a500bf7eccfa99541b

  • SHA256

    39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22

  • SHA512

    c6e910d18309dbfad5cec1b0ef30bf887637dd62eac219632fc984aade0cd1deab6d366331441a57abfbf46ef617bd60bfa6dc630fb67fe78e5dfe00d0092e12

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

regidis.mooo.com:1234

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • XenArmor Suite

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

  • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 11 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a667753900a6ec0b6339d02463d20b5c.exe
    "C:\Users\Admin\AppData\Local\Temp\a667753900a6ec0b6339d02463d20b5c.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4872
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:1632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:3564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:4880
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:4132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:4400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4916
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2336
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:2444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:3476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • Delays execution with timeout.exe
        PID:4392
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 1
      2⤵
        PID:1848
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 1
          3⤵
          • Delays execution with timeout.exe
          PID:4544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 1
        2⤵
          PID:2732
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 1
            3⤵
            • Delays execution with timeout.exe
            PID:4528
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 1
          2⤵
            PID:3512
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 1
              3⤵
              • Delays execution with timeout.exe
              PID:1268
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 1
            2⤵
              PID:2236
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 1
                3⤵
                • Delays execution with timeout.exe
                PID:3808
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c timeout /t 1
              2⤵
                PID:3284
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 1
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1836
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 1
                2⤵
                  PID:2844
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 1
                    3⤵
                    • Delays execution with timeout.exe
                    PID:3516
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c timeout /t 1
                  2⤵
                    PID:3196
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 1
                      3⤵
                      • Delays execution with timeout.exe
                      PID:1308
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c timeout /t 1
                    2⤵
                      PID:880
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout /t 1
                        3⤵
                        • Delays execution with timeout.exe
                        PID:2304
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c timeout /t 1
                      2⤵
                        PID:1968
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 1
                          3⤵
                          • Delays execution with timeout.exe
                          PID:2040
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c timeout 10
                        2⤵
                          PID:1336
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout 10
                            3⤵
                            • Delays execution with timeout.exe
                            PID:3204
                        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAJwAsACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABTAHkAcwB0AGUAbQB1AHAAZABhAHQAZQBcAFcAaQBuAGQAbwB3AHMARgBpAHgALgBlAHgAZQAnAA==
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          PID:540
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                          C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                          2⤵
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          • Suspicious use of SetThreadContext
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of SetWindowsHookEx
                          PID:3620
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
                            -a "C:\Users\Admin\AppData\Local\f2ae31ec\plg\Egh0S4Mq.json"
                            3⤵
                              PID:4804
                            • C:\Users\Admin\AppData\Local\Temp\HWJcpOYc.exe
                              -a "C:\Users\Admin\AppData\Local\f2ae31ec\plg\Egh0S4Mq.json"
                              3⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:4796
                              • C:\Users\Admin\AppData\Local\Temp\HWJcpOYc.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:2128

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

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

                          Filesize

                          402B

                          MD5

                          ca42e05f9d53c7ec9383307c1ea282bb

                          SHA1

                          ed0efa1b59b461dcda08121a39411bee72f6b4cb

                          SHA256

                          63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                          SHA512

                          4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

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

                          Filesize

                          402B

                          MD5

                          ca42e05f9d53c7ec9383307c1ea282bb

                          SHA1

                          ed0efa1b59b461dcda08121a39411bee72f6b4cb

                          SHA256

                          63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                          SHA512

                          4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

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

                          Filesize

                          402B

                          MD5

                          ca42e05f9d53c7ec9383307c1ea282bb

                          SHA1

                          ed0efa1b59b461dcda08121a39411bee72f6b4cb

                          SHA256

                          63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                          SHA512

                          4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

                        • 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\unk.xml

                          Filesize

                          1KB

                          MD5

                          ce3e2f5f04eff81b3b7130a90a8e3a6e

                          SHA1

                          fe9ac39d1db0a28aeef54741003d3f639125dc1c

                          SHA256

                          b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

                          SHA512

                          8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

                        • C:\Users\Admin\AppData\Local\f2ae31ec\plg\Egh0S4Mq.json

                          Filesize

                          1KB

                          MD5

                          ce3e2f5f04eff81b3b7130a90a8e3a6e

                          SHA1

                          fe9ac39d1db0a28aeef54741003d3f639125dc1c

                          SHA256

                          b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

                          SHA512

                          8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

                        • memory/540-181-0x0000000005510000-0x0000000005576000-memory.dmp

                          Filesize

                          408KB

                        • memory/540-187-0x0000000007B90000-0x000000000820A000-memory.dmp

                          Filesize

                          6.5MB

                        • memory/540-180-0x00000000052F0000-0x0000000005312000-memory.dmp

                          Filesize

                          136KB

                        • memory/540-179-0x0000000005680000-0x0000000005CA8000-memory.dmp

                          Filesize

                          6.2MB

                        • memory/540-193-0x00000000077D0000-0x00000000077D8000-memory.dmp

                          Filesize

                          32KB

                        • memory/540-178-0x0000000001090000-0x00000000010C6000-memory.dmp

                          Filesize

                          216KB

                        • memory/540-185-0x000000006F720000-0x000000006F76C000-memory.dmp

                          Filesize

                          304KB

                        • memory/540-192-0x0000000007880000-0x000000000789A000-memory.dmp

                          Filesize

                          104KB

                        • memory/540-183-0x0000000006240000-0x000000000625E000-memory.dmp

                          Filesize

                          120KB

                        • memory/540-186-0x0000000004FC0000-0x0000000004FDE000-memory.dmp

                          Filesize

                          120KB

                        • memory/540-190-0x00000000077E0000-0x0000000007876000-memory.dmp

                          Filesize

                          600KB

                        • memory/540-188-0x0000000007550000-0x000000000756A000-memory.dmp

                          Filesize

                          104KB

                        • memory/540-191-0x0000000007790000-0x000000000779E000-memory.dmp

                          Filesize

                          56KB

                        • memory/540-182-0x00000000055F0000-0x0000000005656000-memory.dmp

                          Filesize

                          408KB

                        • memory/540-189-0x0000000006820000-0x000000000682A000-memory.dmp

                          Filesize

                          40KB

                        • memory/540-184-0x0000000004FE0000-0x0000000005012000-memory.dmp

                          Filesize

                          200KB

                        • memory/2128-223-0x0000000010000000-0x0000000010227000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/2128-219-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/2128-212-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/2128-214-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/2128-216-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/2128-218-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/2128-225-0x0000000010000000-0x0000000010227000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/2128-224-0x0000000000400000-0x00000000006FE000-memory.dmp

                          Filesize

                          3.0MB

                        • memory/3620-195-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/3620-196-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/3620-198-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/3620-199-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/3620-200-0x00000000745B0000-0x00000000745E9000-memory.dmp

                          Filesize

                          228KB

                        • memory/3620-201-0x0000000074930000-0x0000000074969000-memory.dmp

                          Filesize

                          228KB

                        • memory/3620-202-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/3620-197-0x0000000000400000-0x00000000007E4000-memory.dmp

                          Filesize

                          3.9MB

                        • memory/4796-209-0x0000000000400000-0x00000000008DC000-memory.dmp

                          Filesize

                          4.9MB

                        • memory/4796-215-0x0000000000400000-0x00000000008DC000-memory.dmp

                          Filesize

                          4.9MB

                        • memory/4796-228-0x0000000000400000-0x00000000008DC000-memory.dmp

                          Filesize

                          4.9MB

                        • memory/4796-210-0x0000000000400000-0x00000000008DC000-memory.dmp

                          Filesize

                          4.9MB

                        • memory/4796-205-0x0000000000400000-0x00000000008DC000-memory.dmp

                          Filesize

                          4.9MB

                        • memory/4824-130-0x0000000000CF0000-0x0000000001000000-memory.dmp

                          Filesize

                          3.1MB

                        • memory/4824-172-0x0000000009E90000-0x0000000009F42000-memory.dmp

                          Filesize

                          712KB

                        • memory/4824-173-0x000000000EA50000-0x000000000EFF4000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/4824-174-0x000000000E4A0000-0x000000000E532000-memory.dmp

                          Filesize

                          584KB

                        • memory/4824-171-0x00000000052D0000-0x0000000005320000-memory.dmp

                          Filesize

                          320KB