Analysis

  • max time kernel
    151s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 06:56

General

  • Target

    d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08.exe

  • Size

    528KB

  • MD5

    4b3a0b7cd1af6051c587f5366d03c122

  • SHA1

    1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

  • SHA256

    d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

  • SHA512

    ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

  • SSDEEP

    12288:KrxFQyg/z+5VCQQQ0NDQft5lSAj14380wXotr:KrxWyg/RCfj14M0wXir

Malware Config

Extracted

Family

cybergate

Version

2.6

Botnet

hacker

C2

bykabus.no-ip.biz:15963

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

    svchost.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 4 IoCs
  • UPX packed file 17 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08.exe
    "C:\Users\Admin\AppData\Local\Temp\d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08.exe
      C:\Users\Admin\AppData\Local\Temp\d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08.exe
      2⤵
      • 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:1712
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Modifies Installed Components in the registry
        PID:1656
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Drops file in System32 directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:768
        • C:\Windows\SysWOW64\install\svchost.exe
          "C:\Windows\system32\install\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          PID:1816
          • C:\Windows\SysWOW64\install\svchost.exe
            C:\Windows\SysWOW64\install\svchost.exe
            5⤵
            • Executes dropped EXE
            PID:1788
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    3
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      229KB

      MD5

      edd21434aa3bf8f8f124e6f48c86c0bf

      SHA1

      61bc8a9a97b4e0209a6d194dd649b8dab21246dd

      SHA256

      92b234f07a93560b930f9852c66ed69800c9895f59018a4a2bc2bf629817e6b7

      SHA512

      fb3cb7c4b3d95bf0fe82027830b67458954b867a5cbf8bb8b8fb70ade54b4f06cc748ebb1baffd7fcb78499b9d2f04e8e1a8cc4049467447495a899c37d33df0

    • C:\Windows\SysWOW64\install\svchost.exe
      Filesize

      528KB

      MD5

      4b3a0b7cd1af6051c587f5366d03c122

      SHA1

      1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

      SHA256

      d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

      SHA512

      ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

    • C:\Windows\SysWOW64\install\svchost.exe
      Filesize

      528KB

      MD5

      4b3a0b7cd1af6051c587f5366d03c122

      SHA1

      1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

      SHA256

      d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

      SHA512

      ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

    • C:\Windows\SysWOW64\install\svchost.exe
      Filesize

      528KB

      MD5

      4b3a0b7cd1af6051c587f5366d03c122

      SHA1

      1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

      SHA256

      d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

      SHA512

      ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

    • \Windows\SysWOW64\install\svchost.exe
      Filesize

      528KB

      MD5

      4b3a0b7cd1af6051c587f5366d03c122

      SHA1

      1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

      SHA256

      d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

      SHA512

      ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

    • \Windows\SysWOW64\install\svchost.exe
      Filesize

      528KB

      MD5

      4b3a0b7cd1af6051c587f5366d03c122

      SHA1

      1650d290046c0a03b3aa13e24cbf52c6c7fbe2c4

      SHA256

      d439acf0311b764816069411f9d949eabc6beba0107d13f5372eb62375d70f08

      SHA512

      ee54264a8fe158f65c01c15a23b96150901f25f593b6ea1e63a4d299eba8dc10e927d55f94b1cdd8fe0b08ee7fdd2ffe29028bf9affef9aef6ece4db1cad3612

    • memory/768-109-0x00000000240F0000-0x0000000024152000-memory.dmp
      Filesize

      392KB

    • memory/768-93-0x00000000240F0000-0x0000000024152000-memory.dmp
      Filesize

      392KB

    • memory/768-92-0x00000000240F0000-0x0000000024152000-memory.dmp
      Filesize

      392KB

    • memory/768-83-0x0000000000000000-mapping.dmp
    • memory/1212-67-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/1656-70-0x0000000000000000-mapping.dmp
    • memory/1656-78-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1656-72-0x0000000075021000-0x0000000075023000-memory.dmp
      Filesize

      8KB

    • memory/1656-81-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1712-62-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1712-61-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1712-56-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1712-64-0x0000000024010000-0x0000000024072000-memory.dmp
      Filesize

      392KB

    • memory/1712-91-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1712-57-0x0000000000455BF0-mapping.dmp
    • memory/1712-73-0x0000000024080000-0x00000000240E2000-memory.dmp
      Filesize

      392KB

    • memory/1712-86-0x00000000240F0000-0x0000000024152000-memory.dmp
      Filesize

      392KB

    • memory/1712-59-0x0000000076261000-0x0000000076263000-memory.dmp
      Filesize

      8KB

    • memory/1712-60-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-101-0x0000000000455BF0-mapping.dmp
    • memory/1788-105-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-106-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-107-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1788-108-0x0000000000400000-0x0000000000457000-memory.dmp
      Filesize

      348KB

    • memory/1816-96-0x0000000000000000-mapping.dmp