Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
19/09/2026, 08:20
General
- Target jaffacakes118__84741ea26b5ea0665cc23c2ccf6e4cd6.exe
- Size 331KB
- Sample260919-j8v43sysfs
- SHA256 24f211e3b66a42a525f9573e63dfcbd19df06e634e5840ea7393310e1b0d16e5
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Loads dropped DLL 2 IoCs
- 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 System32 directory 4 IoCs
- UPX packed file 18 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 1 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- Modifies registry class 46 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118__84741ea26b5ea0665cc23c2ccf6e4cd6.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__84741ea26b5ea0665cc23c2ccf6e4cd6.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s C:\Windows\System32\fhtyfile.dll2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
-
-
C:\Windows\SysWOW64\rundll32.exerundll32 try993.dll , InstallMyDll2⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s C:\Windows\System\flyplug.dll2⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c afc9fe2f418b00a0.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
afc9fe2f418b00a0.bat
Web.ini
fhtyfile.dll
try993.dll
flyplug.dll
memory/3464-0-0x0000000000400000-0x0000000000455000-memory.dmp
memory/3464-12-0x0000000000400000-0x0000000000455000-memory.dmp
memory/5960-28-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-126-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-27-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-25-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-29-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-7-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-125-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-26-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-127-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-128-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-129-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-130-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-131-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-132-0x0000000010000000-0x000000001004B000-memory.dmp
memory/5960-133-0x0000000010000000-0x000000001004B000-memory.dmp