Analysis

  • max time kernel
    153s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 16:47

General

  • Target

    d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe

  • Size

    413KB

  • MD5

    9464ce6e3afa690fcc7ed1f6a6e1b3e1

  • SHA1

    017d3429ae0954332576edb1f1903b8cb795dc28

  • SHA256

    d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

  • SHA512

    6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

  • SSDEEP

    12288:+iSC/HRo+iLb0Be5Wqp7ssBlRwWW6o6da:piJJ7zBlRwSo6d

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

system

C2

javanetwork.servehttp.com:4711

Mutex

8O0F8C456M4VOS

Attributes
  • enable_keylogger

    false

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    system

  • install_file

    updates.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • regkey_hklm

    dsaggdsdgs

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 4 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 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.

  • Program crash 2 IoCs
  • Modifies registry class 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:2764
      • C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe
        "C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe
          "C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe"
          3⤵
          • 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 use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3228
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1816
            • C:\WINDOWS\system\system\updates.exe
              "C:\WINDOWS\system\system\updates.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:2168
              • C:\WINDOWS\system\system\updates.exe
                "C:\WINDOWS\system\system\updates.exe"
                6⤵
                • Executes dropped EXE
                PID:4700
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 548
                  7⤵
                  • Program crash
                  PID:1400
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:3640
            • C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe
              "C:\Users\Admin\AppData\Local\Temp\d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34.exe"
              4⤵
              • Checks computer location settings
              • Drops file in Windows directory
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              PID:1924
              • C:\WINDOWS\system\system\updates.exe
                "C:\WINDOWS\system\system\updates.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:388
                • C:\WINDOWS\system\system\updates.exe
                  "C:\WINDOWS\system\system\updates.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:4380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 548
                    7⤵
                    • Program crash
                    PID:1116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4700 -ip 4700
        1⤵
          PID:2592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4380 -ip 4380
          1⤵
            PID:3364

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          3
          T1060

          Defense Evasion

          Modify Registry

          3
          T1112

          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\updates.exe.log
            Filesize

            312B

            MD5

            6dba4702b346903da02f7dd9e839a128

            SHA1

            d69f255866f30a87c9eca8312d425c47059bf15e

            SHA256

            29d145faac0201870c39b9119894f78694a776e03fc8f79349bdf92e56a65bcd

            SHA512

            33afef187e806838717238881aaaf41272f8b484fcfe97a85057fd43a7eeb119df813d6023d2ee770aa22a067f7e9d532dd1c30b512f9c48b76f838615863e1d

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

            224KB

            MD5

            2c60d3649adb0c92af14f77b8fb27c74

            SHA1

            6a84fb06421dad2e67d6e44c80f4b5d7c64773ab

            SHA256

            971d8f052cf62ac424eaf730ab6f6e4a395486bc7c414995c8a13042765c1cc8

            SHA512

            5dfd10095295129ce07a1edd800a7ef32bb71243a57f2f8ff77ce1eb54fdb3538b6483753afc253299f797bc64523c771da4802ae5931ad20c257fbdf0e9eac3

          • C:\WINDOWS\system\system\updates.exe
            Filesize

            413KB

            MD5

            9464ce6e3afa690fcc7ed1f6a6e1b3e1

            SHA1

            017d3429ae0954332576edb1f1903b8cb795dc28

            SHA256

            d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

            SHA512

            6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

          • C:\Windows\System\system\updates.exe
            Filesize

            413KB

            MD5

            9464ce6e3afa690fcc7ed1f6a6e1b3e1

            SHA1

            017d3429ae0954332576edb1f1903b8cb795dc28

            SHA256

            d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

            SHA512

            6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

          • C:\Windows\System\system\updates.exe
            Filesize

            413KB

            MD5

            9464ce6e3afa690fcc7ed1f6a6e1b3e1

            SHA1

            017d3429ae0954332576edb1f1903b8cb795dc28

            SHA256

            d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

            SHA512

            6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

          • C:\Windows\System\system\updates.exe
            Filesize

            413KB

            MD5

            9464ce6e3afa690fcc7ed1f6a6e1b3e1

            SHA1

            017d3429ae0954332576edb1f1903b8cb795dc28

            SHA256

            d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

            SHA512

            6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

          • C:\Windows\System\system\updates.exe
            Filesize

            413KB

            MD5

            9464ce6e3afa690fcc7ed1f6a6e1b3e1

            SHA1

            017d3429ae0954332576edb1f1903b8cb795dc28

            SHA256

            d95d0d1f89781035e62d927c93e75fc8564c9ffc1ef72d954c58d9f5f25dbf34

            SHA512

            6fc13df02870a620babba0aaf1ea1397c190b69da3b3b32edac1ee06ea3fae5e12cec9fdb8c7e603a2f298ba742d9c9cd8500fdf4584385f3512a02918f061d5

          • memory/388-183-0x00000000724D0000-0x0000000072A81000-memory.dmp
            Filesize

            5.7MB

          • memory/388-175-0x0000000000000000-mapping.dmp
          • memory/1816-152-0x0000000010480000-0x00000000104E5000-memory.dmp
            Filesize

            404KB

          • memory/1816-145-0x0000000000000000-mapping.dmp
          • memory/1816-149-0x0000000010480000-0x00000000104E5000-memory.dmp
            Filesize

            404KB

          • memory/1924-162-0x0000000010560000-0x00000000105C5000-memory.dmp
            Filesize

            404KB

          • memory/1924-158-0x0000000000000000-mapping.dmp
          • memory/1924-174-0x0000000010560000-0x00000000105C5000-memory.dmp
            Filesize

            404KB

          • memory/1924-172-0x0000000010560000-0x00000000105C5000-memory.dmp
            Filesize

            404KB

          • memory/2168-171-0x0000000072CF0000-0x00000000732A1000-memory.dmp
            Filesize

            5.7MB

          • memory/2168-164-0x0000000000000000-mapping.dmp
          • memory/2604-133-0x00000000751A0000-0x0000000075751000-memory.dmp
            Filesize

            5.7MB

          • memory/2604-137-0x00000000751A0000-0x0000000075751000-memory.dmp
            Filesize

            5.7MB

          • memory/2604-132-0x00000000751A0000-0x0000000075751000-memory.dmp
            Filesize

            5.7MB

          • memory/3228-163-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/3228-136-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/3228-138-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/3228-141-0x0000000010410000-0x0000000010475000-memory.dmp
            Filesize

            404KB

          • memory/3228-139-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/3228-146-0x0000000010480000-0x00000000104E5000-memory.dmp
            Filesize

            404KB

          • memory/3228-134-0x0000000000000000-mapping.dmp
          • memory/3228-159-0x0000000010560000-0x00000000105C5000-memory.dmp
            Filesize

            404KB

          • memory/3228-154-0x00000000104F0000-0x0000000010555000-memory.dmp
            Filesize

            404KB

          • memory/3228-135-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4380-178-0x0000000000000000-mapping.dmp
          • memory/4380-184-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4380-186-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4380-187-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4700-166-0x0000000000000000-mapping.dmp
          • memory/4700-173-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4700-170-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB

          • memory/4700-185-0x0000000000400000-0x0000000000451000-memory.dmp
            Filesize

            324KB