Analysis

  • max time kernel
    151s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2022, 15:09

General

  • Target

    a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227.exe

  • Size

    291KB

  • MD5

    46b7c051ab3ab7cfe0ba94ab03600ac0

  • SHA1

    d0f8060f66da4cc294c805f193188a476eb2690b

  • SHA256

    a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227

  • SHA512

    8666135e4d986f041297ea29fe16c6113992fc58e8de69c03aaeed66ee9453c30d1ce16c9b62332b3281abfc3a6f1acd28dc044db2d465a49c68da0c776d9c78

  • SSDEEP

    6144:gk4qmi5TgnkuhnEKZ5VyBDFFnPFPohsOQzmL6Z+1U7+aKpV:b9unk1KZn2fPmEzm+7d6

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

teste

C2

192.168.0.101:8080

Mutex

***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    123

  • regkey_hkcu

    system32

  • regkey_hklm

    system

Signatures

  • CyberGate, Rebhip

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

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 21 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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:1288
      • C:\Users\Admin\AppData\Local\Temp\a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227.exe
        "C:\Users\Admin\AppData\Local\Temp\a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227.exe"
        2⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1384
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:840
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:1608
          • C:\Users\Admin\AppData\Local\Temp\a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227.exe
            "C:\Users\Admin\AppData\Local\Temp\a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1216
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\system32\install\server.exe"
              4⤵
              • Executes dropped EXE
              PID:1548

      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

              75c3f57a9fee88fcd8d2262a01ed0553

              SHA1

              e2f52d1b2132092ecea3930a9ee6c59cfdbee80d

              SHA256

              2be848ff0e958678e4db87d3ee519d1d098f59a93c1d1258692e3ae94d1aaf8b

              SHA512

              f412b38d0b6830a70af58891f2d9d69cb219eb399f44c6c8aa75bba6b649dca65dc2e3f3ab3290ef207f442f7bb337a38e1cbbeaa45235d0e6eded7b624b61f4

            • C:\Windows\SysWOW64\install\server.exe

              Filesize

              291KB

              MD5

              46b7c051ab3ab7cfe0ba94ab03600ac0

              SHA1

              d0f8060f66da4cc294c805f193188a476eb2690b

              SHA256

              a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227

              SHA512

              8666135e4d986f041297ea29fe16c6113992fc58e8de69c03aaeed66ee9453c30d1ce16c9b62332b3281abfc3a6f1acd28dc044db2d465a49c68da0c776d9c78

            • C:\Windows\SysWOW64\install\server.exe

              Filesize

              291KB

              MD5

              46b7c051ab3ab7cfe0ba94ab03600ac0

              SHA1

              d0f8060f66da4cc294c805f193188a476eb2690b

              SHA256

              a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227

              SHA512

              8666135e4d986f041297ea29fe16c6113992fc58e8de69c03aaeed66ee9453c30d1ce16c9b62332b3281abfc3a6f1acd28dc044db2d465a49c68da0c776d9c78

            • \Windows\SysWOW64\install\server.exe

              Filesize

              291KB

              MD5

              46b7c051ab3ab7cfe0ba94ab03600ac0

              SHA1

              d0f8060f66da4cc294c805f193188a476eb2690b

              SHA256

              a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227

              SHA512

              8666135e4d986f041297ea29fe16c6113992fc58e8de69c03aaeed66ee9453c30d1ce16c9b62332b3281abfc3a6f1acd28dc044db2d465a49c68da0c776d9c78

            • \Windows\SysWOW64\install\server.exe

              Filesize

              291KB

              MD5

              46b7c051ab3ab7cfe0ba94ab03600ac0

              SHA1

              d0f8060f66da4cc294c805f193188a476eb2690b

              SHA256

              a0f57721ec4dc0fa1625d491b37d708e04473e07a82ff642147e2f6707524227

              SHA512

              8666135e4d986f041297ea29fe16c6113992fc58e8de69c03aaeed66ee9453c30d1ce16c9b62332b3281abfc3a6f1acd28dc044db2d465a49c68da0c776d9c78

            • memory/840-71-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/840-72-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/840-65-0x00000000752B1000-0x00000000752B3000-memory.dmp

              Filesize

              8KB

            • memory/840-101-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1216-97-0x0000000004AC0000-0x0000000004B26000-memory.dmp

              Filesize

              408KB

            • memory/1216-103-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1216-102-0x0000000004AC0000-0x0000000004B26000-memory.dmp

              Filesize

              408KB

            • memory/1216-83-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB

            • memory/1216-96-0x0000000004AC0000-0x0000000004B26000-memory.dmp

              Filesize

              408KB

            • memory/1216-98-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1216-89-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1288-60-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1384-57-0x0000000024010000-0x0000000024072000-memory.dmp

              Filesize

              392KB

            • memory/1384-55-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB

            • memory/1384-66-0x0000000024080000-0x00000000240E2000-memory.dmp

              Filesize

              392KB

            • memory/1384-90-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB

            • memory/1384-84-0x0000000024160000-0x00000000241C2000-memory.dmp

              Filesize

              392KB

            • memory/1384-82-0x0000000000220000-0x0000000000286000-memory.dmp

              Filesize

              408KB

            • memory/1384-76-0x00000000240F0000-0x0000000024152000-memory.dmp

              Filesize

              392KB

            • memory/1384-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

              Filesize

              8KB

            • memory/1548-99-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB

            • memory/1548-100-0x0000000000400000-0x0000000000466000-memory.dmp

              Filesize

              408KB