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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\256309\\Luminosity.exe\""	Luminosity.exe

Executes dropped EXE 2 IoCs

Processes:

Luminosity.exeLuminosity.exe

pid process

1804 Luminosity.exe
1660 Luminosity.exe

pid	process
1804	Luminosity.exe
1660	Luminosity.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\testing = "\"C:\\ProgramData\\256309\\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 4956 set thread context of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1804 set thread context of 1660	1804	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 64 IoCs

Processes:

Luminosity.exe572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exe572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid	process
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1804	Luminosity.exe
1804	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe
1660	Luminosity.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid process

4952 572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

pid	process
4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exeLuminosity.exe

description	pid	process
Token: SeDebugPrivilege	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
Token: SeDebugPrivilege	1804	Luminosity.exe
Token: SeDebugPrivilege	1660	Luminosity.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Luminosity.exe

pid process

1660 Luminosity.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exeLuminosity.exeLuminosity.exe

description	pid	process	target process
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4956 wrote to memory of 4952	4956	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 4952 wrote to memory of 1804	4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 4952 wrote to memory of 1804	4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 4952 wrote to memory of 1804	4952	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1804 wrote to memory of 1660	1804	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 4956	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4956	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4956	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4956	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4956	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 1804	1660	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 1804	1660	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 1804	1660	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 1804	1660	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 1804	1660	Luminosity.exe	Luminosity.exe
PID 1660 wrote to memory of 4952	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4952	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4952	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4952	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
PID 1660 wrote to memory of 4952	1660	Luminosity.exe	572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe

C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
"C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe
  "C:\Users\Admin\AppData\Local\Temp\572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4952
- - C:\ProgramData\256309\Luminosity.exe
    "C:\ProgramData\256309\Luminosity.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\ProgramData\256309\Luminosity.exe
      "C:\ProgramData\256309\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
      Suspicious use of WriteProcessMemory
      PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\256309\Luminosity.exe

Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
C:\ProgramData\256309\Luminosity.exe

Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
C:\ProgramData\256309\Luminosity.exe

Filesize
275KB

MD5
05c146b923f78e9a863f6d90e892327e

SHA1
e6cde484242c23ca907f53cabd41c8e4535cad5b

SHA256
572ff93818a2afa970dbeb7db6f6468d34a7c661a44e46ed10f3675b52724abc

SHA512
afc4fe806ccfa61797f8740e30c3f210df2aa2e1456c227ae302d9db88e612d90c4e53f90e16e6728e5ffb8f0829715e256bc8b7da15db3757c09ab084a3e434

Download Submit
memory/1660-143-0x0000000000000000-mapping.dmp

Download
memory/1660-146-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/1660-156-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/1804-151-0x0000000005BE0000-0x0000000005BF7000-memory.dmp

Filesize
92KB

Download
memory/1804-150-0x0000000005BE0000-0x0000000005BF7000-memory.dmp

Filesize
92KB

Download
memory/1804-140-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/1804-152-0x0000000005BE0000-0x0000000005BF7000-memory.dmp

Filesize
92KB

Download
memory/1804-142-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/1804-137-0x0000000000000000-mapping.dmp

Download
memory/4952-157-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4952-153-0x0000000007120000-0x0000000007137000-memory.dmp

Filesize
92KB

Download
memory/4952-134-0x0000000000000000-mapping.dmp

Download
memory/4952-155-0x0000000007120000-0x0000000007137000-memory.dmp

Filesize
92KB

Download
memory/4952-154-0x0000000007120000-0x0000000007137000-memory.dmp

Filesize
92KB

Download
memory/4952-136-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4952-135-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4952-141-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4956-147-0x00000000055A0000-0x00000000055B7000-memory.dmp

Filesize
92KB

Download
memory/4956-149-0x00000000055A0000-0x00000000055B7000-memory.dmp

Filesize
92KB

Download
memory/4956-148-0x00000000055A0000-0x00000000055B7000-memory.dmp

Filesize
92KB

Download
memory/4956-133-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4956-132-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads