luminosity | 572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

General

Target

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
Size

275KB
MD5

05c146b923f78e9a863f6d90e892327e
SHA1

e6cde484242c23ca907f53cabd41c8e4535cad5b
SHA256

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc
SHA512

afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434
SSDEEP

6144:FMwziX9NW/WoGFplVG/m/Ex0KJivNNhp87cgVPQ3NBM0NT705:huNW/7GNF/tvvoXtQ3TM0NTQ

Score

10^/10

luminosity persistence rat

Malware Config

Signatures

Luminosity
Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.
rat luminosity

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Luminosity.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	Luminosity.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\398761\\Luminosity.exe\""	Luminosity.exe

Executes dropped EXE 2 IoCs

Processes:

Luminosity.exeLuminosity.exe

pid process

764 Luminosity.exe
1260 Luminosity.exe

pid	process
764	Luminosity.exe
1260	Luminosity.exe

Loads dropped DLL 2 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid	process
1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Luminosity.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\testing = "\"C:\\ProgramData\\398761\\Luminosity.exe\""	Luminosity.exe

Drops file in System32 directory 2 IoCs

Processes:

Luminosity.exe

description	ioc	process
File created	C:\Windows\SysWOW64\clientsvr.exe	Luminosity.exe
File opened for modification	C:\Windows\SysWOW64\clientsvr.exe	Luminosity.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exe

description	pid	process	target process
PID 1800 set thread context of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 764 set thread context of 1260	764	Luminosity.exe	Luminosity.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Luminosity.exe

pid process

1260 Luminosity.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid process

1752 572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid	process
1260	Luminosity.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exeLuminosity.exe

description	pid	process
Token: SeDebugPrivilege	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
Token: SeDebugPrivilege	764	Luminosity.exe
Token: SeDebugPrivilege	1260	Luminosity.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Luminosity.exe

pid process

1260 Luminosity.exe

pid	process
1260	Luminosity.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exe

description	pid	process	target process
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1800 wrote to memory of 1752	1800	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1752 wrote to memory of 764	1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 1752 wrote to memory of 764	1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 1752 wrote to memory of 764	1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 1752 wrote to memory of 764	1752	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe
PID 764 wrote to memory of 1260	764	Luminosity.exe	Luminosity.exe

C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
"C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
"C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe"
2⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1752

C:\ProgramData\398761\Luminosity.exe
"C:\ProgramData\398761\Luminosity.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764

C:\ProgramData\398761\Luminosity.exe
"C:\ProgramData\398761\Luminosity.exe"
4⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\398761\Luminosity.exe
Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
C:\ProgramData\398761\Luminosity.exe
Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
C:\ProgramData\398761\Luminosity.exe
Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
\ProgramData\398761\Luminosity.exe
Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
\ProgramData\398761\Luminosity.exe
Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
memory/764-92-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/764-76-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/764-72-0x0000000000000000-mapping.dmp

Download
memory/1260-84-0x000000000045CF0E-mapping.dmp

Download
memory/1260-91-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1260-94-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-58-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-63-0x000000000045CF0E-mapping.dmp

Download
memory/1752-62-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-60-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-67-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-57-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-77-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-65-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1752-93-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-69-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1800-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/1800-56-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1800-55-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads