Analysis
- max time kernel
152s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/11/2022, 10:51
General
- Target 9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe
- Size 694KB
- Sample221106-mx9d4saffn
- SHA256 9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed
Malware Config
Extracted
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cybergate
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2.7 Final
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Antivirus
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hugui-201181.no-ip.biz:5939
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ghjkiolpñlokilkjuytredfesxcwssedaqsdcx
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enable_keylogger
true
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enable_message_box
false
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ftp_directory
./logs/
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ftp_interval
30
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injected_process
explorer.exe
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install_dir
Win32
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install_file
explorer.exe
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install_flag
true
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keylogger_enable_ftp
false
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message_box_caption
texto da mensagem
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message_box_title
título da mensagem
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password
201181
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regkey_hkcu
HKCU
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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
- 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
- Drops file in System32 directory 2 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Drops file in Windows directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies registry class 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 SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 64 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exeC:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe3⤵
- 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
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C:\Windows\SysWOW64\explorer.exeexplorer.exe4⤵
- Modifies Installed Components in the registry
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"C:\Users\Admin\AppData\Local\Temp\9d80b11d4d974808576316ed7a4283e0b3e3b909481ebbdc3245fc1b52f1a5ed.exe"4⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Win32\explorer.exe"C:\Windows\Win32\explorer.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
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C:\Windows\Win32\explorer.exeC:\Windows\Win32\explorer.exe6⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5828 -s 5327⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5828 -ip 58281⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
XX--XX--XX.txt
explorer.exe
explorer.exe
explorer.exe
memory/1152-132-0x0000000000400000-0x000000000040E001-memory.dmp
memory/1152-138-0x0000000000400000-0x000000000040E001-memory.dmp
memory/2380-142-0x0000000010410000-0x000000001046C000-memory.dmp
memory/2380-174-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2380-150-0x0000000010470000-0x00000000104CC000-memory.dmp
memory/2380-136-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2380-158-0x00000000104D0000-0x000000001052C000-memory.dmp
memory/2380-140-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2380-139-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2380-137-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2380-168-0x0000000010530000-0x000000001058C000-memory.dmp
memory/2700-175-0x0000000000400000-0x000000000040E001-memory.dmp
memory/2700-176-0x0000000010530000-0x000000001058C000-memory.dmp
memory/2700-190-0x0000000010530000-0x000000001058C000-memory.dmp
memory/3232-156-0x0000000010470000-0x00000000104CC000-memory.dmp
memory/3232-189-0x0000000010470000-0x00000000104CC000-memory.dmp
memory/5792-181-0x0000000000400000-0x000000000040E001-memory.dmp
memory/5792-187-0x0000000000400000-0x000000000040E001-memory.dmp
memory/5828-186-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/5828-188-0x0000000000400000-0x00000000004A8000-memory.dmp