Analysis

  • max time kernel
    208s
  • max time network
    218s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 18:42

General

  • Target

    bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe

  • Size

    444KB

  • MD5

    41cf7fd047088a9261f9f8c54ff152c5

  • SHA1

    ea1753b5c2a776df442adff3f0199d688635ddfb

  • SHA256

    bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850

  • SHA512

    b24de6396a5b248926f11b74e40c7a76b943505182abcca8e5ce886ec5b0976a5e39b25a79c4b75f5d20d990aa1f1afbdd38939d753202a052ddf1ebc157c314

  • SSDEEP

    12288:k0cBltgVqNmWZvfVMVfeEk+Sie5hp1juSPvwSux:k0cgcvfVM/UicBu

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

Tr

C2

monkeybreak.no-ip.biz:82

monkeybreak.no-ip.biz:100

Mutex

V2BF7I3040JHDW

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    svchost.exe

  • install_dir

    Install

  • install_file

    explorer.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Unabel to open the file ! Please try to

  • message_box_title

    Windows Photo Viewer

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 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 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2080
      • C:\Users\Admin\AppData\Local\Temp\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe
        "C:\Users\Admin\AppData\Local\Temp\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1676
        • C:\Users\Admin\AppData\Roaming\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe
          "C:\Users\Admin\AppData\Roaming\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3480
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            4⤵
            • Adds policy Run key to start application
            • Modifies Installed Components in the registry
            • Adds Run key to start application
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:3756
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              5⤵
              • Modifies Installed Components in the registry
              • Suspicious use of AdjustPrivilegeToken
              PID:644
              • C:\Windows\Install\explorer.exe
                "C:\Windows\Install\explorer.exe"
                6⤵
                • Executes dropped EXE
                PID:2984
              • C:\Windows\Install\explorer.exe
                "C:\Windows\Install\explorer.exe"
                6⤵
                • Executes dropped EXE
                PID:1476
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
                PID:4976
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
                5⤵
                • Drops file in Windows directory
                • Modifies registry class
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                PID:5072
                • C:\Windows\Install\explorer.exe
                  "C:\Windows\Install\explorer.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:3284
              • C:\Windows\Install\explorer.exe
                "C:\Windows\Install\explorer.exe"
                5⤵
                • Executes dropped EXE
                PID:2292

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      3
      T1060

      Defense Evasion

      Modify Registry

      3
      T1112

      Scripting

      1
      T1064

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe.log
        Filesize

        319B

        MD5

        600936e187ce94453648a9245b2b42a5

        SHA1

        3349e5da3f713259244a2cbcb4a9dca777f637ed

        SHA256

        1493eb1dc75a64eb2eb06bc9eb2c864b78fc4a2c674108d5183ac7824013ff2d

        SHA512

        d41203f93ed77430dc570e82dc713f09d21942d75d1f9c3c84135421550ac2fa3845b7e46df70d2c57fe97d3a88e43c672771bb8b6433c44584c4e64646c1964

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt
        Filesize

        224KB

        MD5

        5171fb68d9571cd9b916e1703583fb14

        SHA1

        235f4f7a2df3277b3ba12461a756dc76897e810e

        SHA256

        23adab591852ff5c4b44aa80495ecd9547c89529cb3026178d0b39b1e0fa8fac

        SHA512

        f5b19f735fd7cf77a4810f285106e89db60f5e50bd075415868f625dd1d8ae20050a64f225524d661868b349460f847be79d49ae8db5ef4d5eaf8e0bb08d4b78

      • C:\Users\Admin\AppData\Roaming\Twain.dll
        Filesize

        18KB

        MD5

        2153e2d85da316a0fe302227e0f9af88

        SHA1

        48b334c27d604ce7d89c9c825d211d26427176cf

        SHA256

        645b30a3ef5cf05ad0df575fbbdbc05387b5493ce1778935b60d98681fea7bc0

        SHA512

        647b0b95622c2e9086f072ccf110371b38953619b4cb6697e259165ce12e0dd1854bc6351abb8f693d052d730f8790d72929a8c822a26ac369c372478c1e4fac

      • C:\Users\Admin\AppData\Roaming\Twain.dll
        Filesize

        18KB

        MD5

        2153e2d85da316a0fe302227e0f9af88

        SHA1

        48b334c27d604ce7d89c9c825d211d26427176cf

        SHA256

        645b30a3ef5cf05ad0df575fbbdbc05387b5493ce1778935b60d98681fea7bc0

        SHA512

        647b0b95622c2e9086f072ccf110371b38953619b4cb6697e259165ce12e0dd1854bc6351abb8f693d052d730f8790d72929a8c822a26ac369c372478c1e4fac

      • C:\Users\Admin\AppData\Roaming\Twain.dll
        Filesize

        18KB

        MD5

        2153e2d85da316a0fe302227e0f9af88

        SHA1

        48b334c27d604ce7d89c9c825d211d26427176cf

        SHA256

        645b30a3ef5cf05ad0df575fbbdbc05387b5493ce1778935b60d98681fea7bc0

        SHA512

        647b0b95622c2e9086f072ccf110371b38953619b4cb6697e259165ce12e0dd1854bc6351abb8f693d052d730f8790d72929a8c822a26ac369c372478c1e4fac

      • C:\Users\Admin\AppData\Roaming\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe
        Filesize

        444KB

        MD5

        41cf7fd047088a9261f9f8c54ff152c5

        SHA1

        ea1753b5c2a776df442adff3f0199d688635ddfb

        SHA256

        bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850

        SHA512

        b24de6396a5b248926f11b74e40c7a76b943505182abcca8e5ce886ec5b0976a5e39b25a79c4b75f5d20d990aa1f1afbdd38939d753202a052ddf1ebc157c314

      • C:\Users\Admin\AppData\Roaming\bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850.exe
        Filesize

        444KB

        MD5

        41cf7fd047088a9261f9f8c54ff152c5

        SHA1

        ea1753b5c2a776df442adff3f0199d688635ddfb

        SHA256

        bd47a667e9d1732ac5a3bf9e90e7de5c20f3d2dbb5ce96166478cc984ec24850

        SHA512

        b24de6396a5b248926f11b74e40c7a76b943505182abcca8e5ce886ec5b0976a5e39b25a79c4b75f5d20d990aa1f1afbdd38939d753202a052ddf1ebc157c314

      • C:\Windows\Install\explorer.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • C:\Windows\Install\explorer.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • C:\Windows\Install\explorer.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • C:\Windows\Install\explorer.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • C:\Windows\Install\explorer.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • memory/644-164-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/644-157-0x0000000000000000-mapping.dmp
      • memory/644-161-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/1476-173-0x0000000000000000-mapping.dmp
      • memory/1676-133-0x0000000074A60000-0x0000000075011000-memory.dmp
        Filesize

        5.7MB

      • memory/1676-139-0x0000000074A60000-0x0000000075011000-memory.dmp
        Filesize

        5.7MB

      • memory/1676-134-0x0000000074A60000-0x0000000075011000-memory.dmp
        Filesize

        5.7MB

      • memory/2292-179-0x0000000000000000-mapping.dmp
      • memory/2984-166-0x0000000000000000-mapping.dmp
      • memory/3284-182-0x0000000000000000-mapping.dmp
      • memory/3480-143-0x0000000074A60000-0x0000000075011000-memory.dmp
        Filesize

        5.7MB

      • memory/3480-135-0x0000000000000000-mapping.dmp
      • memory/3480-148-0x0000000074A60000-0x0000000075011000-memory.dmp
        Filesize

        5.7MB

      • memory/3756-144-0x0000000000000000-mapping.dmp
      • memory/3756-181-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-168-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/3756-145-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-153-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/3756-151-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-175-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/3756-147-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-150-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-149-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/3756-158-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/5072-178-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/5072-172-0x0000000000000000-mapping.dmp
      • memory/5072-184-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/5072-185-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB