Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 15:25

General

  • Target

    b1e22a24ebb0db8b15c9afc6d23679ea.exe

  • Size

    23KB

  • MD5

    b1e22a24ebb0db8b15c9afc6d23679ea

  • SHA1

    f65c0f8fd0ac954b116cffbc26ade226269bf738

  • SHA256

    413df54020a07f08c1f1155d3a6673354016fc5c2cc000639a5d0f2927818635

  • SHA512

    6308da0bfb059c50e2736b325b7ea784a0b26b2a549045cdb2b0aa13e568577f96e23f55be354c770cbb1825c04c12c7c3ee3de9c963b0e1f69d5b32f25b7afb

  • SSDEEP

    384:thfPn2EZ4L0yMJLpLgLPLEsLffOSvNTcI1pGIB0PREg:thBZs+tkDEsKqaIB09

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

103.125.190.185:1234

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 2 IoCs
  • UPX packed file 6 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
    "C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:916
    • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
      C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
      2⤵
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
        C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
        2⤵
          PID:2404
        • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
          C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
          2⤵
            PID:4668
          • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
            C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
            2⤵
              PID:2876
            • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
              C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
              2⤵
                PID:2240
              • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
                C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
                2⤵
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of SetThreadContext
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1468
                • C:\Users\Admin\AppData\Local\Temp\b1e22a24ebb0db8b15c9afc6d23679ea.exe
                  -a "C:\Users\Admin\AppData\Local\94e466c1\plg\4HHBdLIi.json"
                  3⤵
                    PID:2368
                  • C:\Users\Admin\AppData\Local\Temp\4HHBdLIi.exe
                    -a "C:\Users\Admin\AppData\Local\94e466c1\plg\4HHBdLIi.json"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious use of WriteProcessMemory
                    PID:332
                    • C:\Users\Admin\AppData\Local\Temp\4HHBdLIi.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:2396

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Persistence

              Registry Run Keys / Startup Folder

              1
              T1060

              Defense Evasion

              Modify Registry

              1
              T1112

              Credential Access

              Credentials in Files

              4
              T1081

              Discovery

              Query Registry

              1
              T1012

              System Information Discovery

              2
              T1082

              Collection

              Data from Local System

              4
              T1005

              Email Collection

              1
              T1114

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\94e466c1\plg\4HHBdLIi.json
                Filesize

                1KB

                MD5

                ce3e2f5f04eff81b3b7130a90a8e3a6e

                SHA1

                fe9ac39d1db0a28aeef54741003d3f639125dc1c

                SHA256

                b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

                SHA512

                8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

              • C:\Users\Admin\AppData\Local\Temp\4HHBdLIi.exe
                Filesize

                402B

                MD5

                ca42e05f9d53c7ec9383307c1ea282bb

                SHA1

                ed0efa1b59b461dcda08121a39411bee72f6b4cb

                SHA256

                63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                SHA512

                4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

              • C:\Users\Admin\AppData\Local\Temp\4HHBdLIi.exe
                Filesize

                402B

                MD5

                ca42e05f9d53c7ec9383307c1ea282bb

                SHA1

                ed0efa1b59b461dcda08121a39411bee72f6b4cb

                SHA256

                63a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade

                SHA512

                4a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196

              • C:\Users\Admin\AppData\Local\Temp\4HHBdLIi.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

              • memory/332-165-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/332-159-0x0000000000000000-mapping.dmp
              • memory/332-166-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/332-169-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/332-160-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/332-164-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/332-184-0x0000000000400000-0x00000000008DC000-memory.dmp
                Filesize

                4.9MB

              • memory/916-140-0x0000000005F90000-0x0000000005FF6000-memory.dmp
                Filesize

                408KB

              • memory/916-143-0x0000000008010000-0x000000000868A000-memory.dmp
                Filesize

                6.5MB

              • memory/916-137-0x0000000000000000-mapping.dmp
              • memory/916-138-0x0000000003160000-0x0000000003196000-memory.dmp
                Filesize

                216KB

              • memory/916-144-0x0000000006C40000-0x0000000006C5A000-memory.dmp
                Filesize

                104KB

              • memory/916-139-0x00000000058F0000-0x0000000005F18000-memory.dmp
                Filesize

                6.2MB

              • memory/916-141-0x00000000060F0000-0x0000000006156000-memory.dmp
                Filesize

                408KB

              • memory/916-142-0x0000000006740000-0x000000000675E000-memory.dmp
                Filesize

                120KB

              • memory/1468-152-0x0000000000400000-0x00000000007CE000-memory.dmp
                Filesize

                3.8MB

              • memory/1468-157-0x0000000000400000-0x00000000007CE000-memory.dmp
                Filesize

                3.8MB

              • memory/1468-156-0x0000000074B70000-0x0000000074BA9000-memory.dmp
                Filesize

                228KB

              • memory/1468-155-0x00000000747F0000-0x0000000074829000-memory.dmp
                Filesize

                228KB

              • memory/1468-154-0x0000000000400000-0x00000000007CE000-memory.dmp
                Filesize

                3.8MB

              • memory/1468-153-0x0000000000400000-0x00000000007CE000-memory.dmp
                Filesize

                3.8MB

              • memory/1468-151-0x0000000000400000-0x00000000007CE000-memory.dmp
                Filesize

                3.8MB

              • memory/1468-150-0x0000000000000000-mapping.dmp
              • memory/1840-145-0x0000000000000000-mapping.dmp
              • memory/2240-149-0x0000000000000000-mapping.dmp
              • memory/2368-158-0x0000000000000000-mapping.dmp
              • memory/2396-179-0x0000000010000000-0x0000000010227000-memory.dmp
                Filesize

                2.2MB

              • memory/2396-167-0x0000000000000000-mapping.dmp
              • memory/2396-168-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2396-172-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2396-173-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2396-174-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2396-181-0x0000000010000000-0x0000000010227000-memory.dmp
                Filesize

                2.2MB

              • memory/2396-180-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2396-178-0x0000000000400000-0x00000000006FE000-memory.dmp
                Filesize

                3.0MB

              • memory/2404-146-0x0000000000000000-mapping.dmp
              • memory/2876-148-0x0000000000000000-mapping.dmp
              • memory/4648-132-0x0000000000EC0000-0x0000000000ECC000-memory.dmp
                Filesize

                48KB

              • memory/4648-136-0x000000000A120000-0x000000000A142000-memory.dmp
                Filesize

                136KB

              • memory/4648-135-0x0000000005A10000-0x0000000005A1A000-memory.dmp
                Filesize

                40KB

              • memory/4648-134-0x0000000005870000-0x0000000005902000-memory.dmp
                Filesize

                584KB

              • memory/4648-133-0x0000000005D40000-0x00000000062E4000-memory.dmp
                Filesize

                5.6MB

              • memory/4668-147-0x0000000000000000-mapping.dmp