Analysis

  • max time kernel
    176s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 06:20

General

  • Target

    e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe

  • Size

    667KB

  • MD5

    2ec9e817685bf6c535a09df1896507ce

  • SHA1

    175503b55e41200505e5dd436288042bd9d76943

  • SHA256

    e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca

  • SHA512

    39cd98fad637091a84b76bd210b1c244a8a7dff2089f53a13b3f400eeaf76c3f533561c7fb03a5db392c67c5862936edb32ee11b59d75dfa00abbbc32337d8bc

  • SSDEEP

    12288:yjkArEN249AyE/rbaMct4bO2/V30ZktGtYm9pRLYS0DzhT:lFE//Tct4bOs6W/i50D

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

vida nova tres

C2

lesamedi.no-ip.info:82

Mutex

kccvvcvv

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    syss

  • install_file

    winn32.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    abcd1234

  • 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 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • UPX packed file 24 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 4 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2596
      • C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe
        "C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe"
        2⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1572
        • C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe
          "C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe"
          3⤵
          • Adds policy Run key to start application
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4476
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            4⤵
            • Modifies Installed Components in the registry
            PID:4648
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
              PID:832
            • C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe
              "C:\Users\Admin\AppData\Local\Temp\e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca.exe"
              4⤵
              • Checks computer location settings
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1220
              • C:\Windows\SysWOW64\syss\winn32.exe
                "C:\Windows\system32\syss\winn32.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                PID:1488
                • C:\Windows\SysWOW64\syss\winn32.exe
                  "C:\Windows\SysWOW64\syss\winn32.exe"
                  6⤵
                  • Executes dropped EXE
                  PID:2732
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 576
                    7⤵
                    • Program crash
                    PID:1544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2732 -ip 2732
        1⤵
          PID:3808

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

                Filesize

                229KB

                MD5

                03f04535015c085446cd0828bcc401c9

                SHA1

                b2364366921e9a1d0f3e2ead3cd0f4e84374ae9b

                SHA256

                dc4224d120265dea2c0ec13272e2f6859a843521b9e1d4809578ac97cbf878a7

                SHA512

                7b982d50af8a3485b16fcb61d792c61b83cb46edb6748cfedaa0d6cf1dfa55044909441de4933b4a65a88b0655d908a9f2a43421d464801caa3c3e6af959672a

              • C:\Windows\SysWOW64\syss\winn32.exe

                Filesize

                667KB

                MD5

                2ec9e817685bf6c535a09df1896507ce

                SHA1

                175503b55e41200505e5dd436288042bd9d76943

                SHA256

                e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca

                SHA512

                39cd98fad637091a84b76bd210b1c244a8a7dff2089f53a13b3f400eeaf76c3f533561c7fb03a5db392c67c5862936edb32ee11b59d75dfa00abbbc32337d8bc

              • C:\Windows\SysWOW64\syss\winn32.exe

                Filesize

                667KB

                MD5

                2ec9e817685bf6c535a09df1896507ce

                SHA1

                175503b55e41200505e5dd436288042bd9d76943

                SHA256

                e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca

                SHA512

                39cd98fad637091a84b76bd210b1c244a8a7dff2089f53a13b3f400eeaf76c3f533561c7fb03a5db392c67c5862936edb32ee11b59d75dfa00abbbc32337d8bc

              • C:\Windows\SysWOW64\syss\winn32.exe

                Filesize

                667KB

                MD5

                2ec9e817685bf6c535a09df1896507ce

                SHA1

                175503b55e41200505e5dd436288042bd9d76943

                SHA256

                e4d2a9d6f1336f7b9ed6787124e15dda0a5e37c1361d0f75a1308bf99208fbca

                SHA512

                39cd98fad637091a84b76bd210b1c244a8a7dff2089f53a13b3f400eeaf76c3f533561c7fb03a5db392c67c5862936edb32ee11b59d75dfa00abbbc32337d8bc

              • memory/1220-166-0x0000000000400000-0x00000000004CB000-memory.dmp

                Filesize

                812KB

              • memory/1220-179-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1220-167-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1220-164-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/1488-174-0x0000000000400000-0x00000000004CB000-memory.dmp

                Filesize

                812KB

              • memory/1572-178-0x0000000000400000-0x00000000004CB000-memory.dmp

                Filesize

                812KB

              • memory/1572-140-0x0000000000400000-0x00000000004CB000-memory.dmp

                Filesize

                812KB

              • memory/2732-177-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/2732-176-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/2732-175-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-165-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-141-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-161-0x0000000024160000-0x00000000241C2000-memory.dmp

                Filesize

                392KB

              • memory/4476-138-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-156-0x00000000240F0000-0x0000000024152000-memory.dmp

                Filesize

                392KB

              • memory/4476-136-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-139-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/4476-148-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/4476-143-0x0000000024010000-0x0000000024072000-memory.dmp

                Filesize

                392KB

              • memory/4648-154-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB

              • memory/4648-151-0x0000000024080000-0x00000000240E2000-memory.dmp

                Filesize

                392KB