Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/10/2026, 20:13
General
- Target jaffacakes118_Trojan-Ransom.Win32.Blocker.hrft.exe
- Size 1.0MB
- Sample261012-yzpy2aex81
- SHA256 30b1da7166d10a6ca77f90ae353117fd457cad9df785e299102f61af970d269a
Malware Config
Signatures
- Family: Luminosity 2 IoCs
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Blocker.hrft.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Blocker.hrft.exe"1⤵
- Family: Luminosity
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\FB_E8B5.tmp.exe"C:\Users\Admin\AppData\Local\Temp\FB_E8B5.tmp.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc onlogon /tn "svchost" /rl highest /tr "'C:\Program Files (x86)\system\masis.exe' /startup" /f3⤵
- Family: Luminosity
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Program Files (x86)\system\masis.exe"C:\Program Files (x86)\system\masis.exe"1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\Program Files (x86)\system\masis.exe"C:\Program Files (x86)\system\masis.exe" -a /a1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
masis.exe.log
FB_E8B5.tmp.exe
memory/2792-22-0x0000000006040000-0x0000000006057000-memory.dmp
memory/2792-31-0x00000000741C0000-0x0000000074771000-memory.dmp
memory/2792-30-0x0000000006040000-0x0000000006057000-memory.dmp
memory/2792-27-0x0000000006040000-0x0000000006057000-memory.dmp
memory/2792-26-0x00000000741C0000-0x0000000074771000-memory.dmp
memory/2792-20-0x00000000741C0000-0x0000000074771000-memory.dmp
memory/2792-21-0x00000000741C0000-0x0000000074771000-memory.dmp
memory/2792-25-0x0000000006030000-0x0000000006031000-memory.dmp
memory/2792-24-0x0000000006040000-0x0000000006057000-memory.dmp
memory/2792-23-0x0000000006040000-0x0000000006057000-memory.dmp
memory/3656-34-0x00000000056C0000-0x00000000056D7000-memory.dmp
memory/3656-37-0x0000000006460000-0x0000000006461000-memory.dmp
memory/3656-36-0x00000000056C0000-0x00000000056D7000-memory.dmp
memory/3656-35-0x00000000056C0000-0x00000000056D7000-memory.dmp
memory/3656-38-0x00000000056C0000-0x00000000056D7000-memory.dmp
memory/3656-40-0x00000000056C0000-0x00000000056D7000-memory.dmp
memory/4080-13-0x0000000000400000-0x000000000060E000-memory.dmp
memory/4080-1-0x0000000000400000-0x000000000060E000-memory.dmp
memory/4496-18-0x00000000741C2000-0x00000000741C4000-memory.dmp
memory/4496-17-0x00000000012A0000-0x00000000012B0000-memory.dmp
memory/4496-15-0x00000000741C2000-0x00000000741C4000-memory.dmp
memory/4496-14-0x00000000012A0000-0x00000000012B0000-memory.dmp