Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
18/04/2026, 08:07
General
- Target 3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe
- Size 193KB
- Sample260418-j1bepsa151
- SHA256 3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87
Malware Config
Extracted
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gh0strat
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107.163.241.193:6520
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http://107.163.241.181:16300/
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http://107.163.241.182:12354/login.php
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)
Signatures
- Family: Farfli
Farfli is a Windows backdoor written in C++.
- Family: Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
- Detects Farfli Backdoor 1 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in Program Files directory 4 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sdctd.exe "C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\sdctd.exeC:\Users\Admin\AppData\Local\Temp\\sdctd.exe "C:\Users\Admin\AppData\Local\Temp\3166203ce4d184c4af17a89b6c8c1a6cff387f963d0f5cf16c52bf6944797c87.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\Program Files\hkzyf\zvg.exe"c:\Program Files\hkzyf\zvg.exe" "c:\Program Files\hkzyf\zvgmo.dll",Compliance C:\Users\Admin\AppData\Local\Temp\sdctd.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 16325⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4008 -ip 40081⤵
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
zvg.exe
sdctd.exe
zvgmo.dll
memory/1908-17-0x0000000000400000-0x000000000044901D-memory.dmp
memory/1908-10-0x0000000000400000-0x000000000044901D-memory.dmp
memory/1908-9-0x0000000000400000-0x000000000044901D-memory.dmp
memory/1908-16-0x0000000002200000-0x000000000227A000-memory.dmp
memory/3028-5-0x0000000000B90000-0x0000000000C0A000-memory.dmp
memory/3028-4-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3028-2-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3028-0-0x0000000000400000-0x000000000044901D-memory.dmp
memory/3028-1-0x0000000000400000-0x000000000044901D-memory.dmp
memory/4008-21-0x0000000010000000-0x000000001004E000-memory.dmp
memory/4008-23-0x00000000009B0000-0x00000000009D5000-memory.dmp
memory/4008-24-0x0000000010000000-0x000000001004E000-memory.dmp