Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
08/05/2026, 07:48
General
- Target c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556.exe
- Size 283KB
- Sample260508-jnftnaev2t
- SHA256 c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556
Malware Config
Signatures
- Family: Farfli
Farfli is a Windows backdoor written in C++.
- Detects Farfli Backdoor 3 IoCs
- Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 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 2 IoCs
- Enumerates connected drives 3 TTPs 23 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 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 behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556.exe"C:\Users\Admin\AppData\Local\Temp\c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556.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\\zllvxx.exe "C:\Users\Admin\AppData\Local\Temp\c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556.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\zllvxx.exeC:\Users\Admin\AppData\Local\Temp\\zllvxx.exe "C:\Users\Admin\AppData\Local\Temp\c4dc92750a59206c57364c43362a204a9afdd002b1ff3ffa7b5ee6a953e5d556.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\exnpaashk\nemhcay.ehn",RAFlush C:\Users\Admin\AppData\Local\Temp\zllvxx.exe4⤵
- Badlisted process makes network request
- Checks computer location settings
- 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\wiseman.exe"C:\wiseman.exe"5⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\wiseman.exeC:\wiseman.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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
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Downloads
zllvxx.exe
wiseman.exe
nemhcay.ehn
memory/1280-21-0x0000000000710000-0x0000000000785000-memory.dmp
memory/2192-3-0x00000000021A0000-0x0000000002215000-memory.dmp
memory/2192-2-0x0000000000400000-0x000000000049E01B-memory.dmp
memory/2192-0-0x0000000000400000-0x000000000049E01B-memory.dmp
memory/3740-9-0x0000000000400000-0x000000000049E01B-memory.dmp
memory/3740-10-0x0000000002210000-0x0000000002285000-memory.dmp
memory/3980-20-0x0000000000A30000-0x0000000000AA5000-memory.dmp
memory/3980-25-0x0000000000A30000-0x0000000000AA5000-memory.dmp
memory/3980-26-0x00000000030F0000-0x00000000030F7000-memory.dmp
memory/4844-13-0x0000000010000000-0x0000000010054000-memory.dmp
memory/4844-18-0x00000000023C0000-0x0000000002435000-memory.dmp
memory/4844-19-0x00000000026E0000-0x00000000026E7000-memory.dmp
memory/4844-17-0x0000000010000000-0x0000000010054000-memory.dmp
memory/4844-28-0x00000000023C0000-0x0000000002435000-memory.dmp
memory/4844-27-0x0000000010000000-0x0000000010054000-memory.dmp
memory/4844-37-0x0000000010000000-0x0000000010054000-memory.dmp