luminosity | c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

General

Target

c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
Size

169KB
MD5

418d0256f14d3f9b015ec27212ce3780
SHA1

8fcc57804cfef696487ed168aeb1aaae979642b4
SHA256

c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289
SHA512

dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a
SSDEEP

3072:2mpoVuPJRNCcCn2W5Y/8hFJm9SMQ1Fdl1SVExPedn4TZJg8dbSjjyxbkjM9:oP7zE974FdEWwC3xbGM

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	repair.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\\791146\\repair.exe\""	repair.exe

Executes dropped EXE 2 IoCs

pid	Process
600	repair.exe
776	repair.exe

Loads dropped DLL 2 IoCs

pid	Process
960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Mechanic = "\"C:\\ProgramData\\791146\\repair.exe\""	repair.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\clientsvr.exe	repair.exe
File opened for modification	C:\Windows\SysWOW64\clientsvr.exe	repair.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 600 set thread context of 776	600	repair.exe	31

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 9 IoCs

pid	Process
1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
600	repair.exe
776	repair.exe
776	repair.exe
776	repair.exe
776	repair.exe
776	repair.exe
776	repair.exe
776	repair.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
Token: SeDebugPrivilege	600	repair.exe
Token: SeDebugPrivilege	776	repair.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
776	repair.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 1632 wrote to memory of 960	1632	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	28
PID 960 wrote to memory of 600	960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	30
PID 960 wrote to memory of 600	960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	30
PID 960 wrote to memory of 600	960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	30
PID 960 wrote to memory of 600	960	c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe	30
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31
PID 600 wrote to memory of 776	600	repair.exe	31

C:\Users\Admin\AppData\Local\Temp\c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
"C:\Users\Admin\AppData\Local\Temp\c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe
  "C:\Users\Admin\AppData\Local\Temp\c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\ProgramData\791146\repair.exe
    "C:\ProgramData\791146\repair.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:600
  - - C:\ProgramData\791146\repair.exe
      "C:\ProgramData\791146\repair.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:776

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\791146\repair.exe

Filesize
169KB

MD5
418d0256f14d3f9b015ec27212ce3780

SHA1
8fcc57804cfef696487ed168aeb1aaae979642b4

SHA256
c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

SHA512
dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a

Download Submit
C:\ProgramData\791146\repair.exe

Filesize
169KB

MD5
418d0256f14d3f9b015ec27212ce3780

SHA1
8fcc57804cfef696487ed168aeb1aaae979642b4

SHA256
c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

SHA512
dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a

Download Submit
C:\ProgramData\791146\repair.exe

Filesize
169KB

MD5
418d0256f14d3f9b015ec27212ce3780

SHA1
8fcc57804cfef696487ed168aeb1aaae979642b4

SHA256
c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

SHA512
dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a

Download Submit
\ProgramData\791146\repair.exe

Filesize
169KB

MD5
418d0256f14d3f9b015ec27212ce3780

SHA1
8fcc57804cfef696487ed168aeb1aaae979642b4

SHA256
c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

SHA512
dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a

Download Submit
\ProgramData\791146\repair.exe

Filesize
169KB

MD5
418d0256f14d3f9b015ec27212ce3780

SHA1
8fcc57804cfef696487ed168aeb1aaae979642b4

SHA256
c56e4b72ee5cc4f5a777c877ceb598b0a2305b3992b51ad6004550ad27ac4289

SHA512
dec392c2a931258389f41b8f9d76256ef56a196f86491a6713360442dfa5f66118d8861066738849445e83c22e51944608ea5aaad0ef433bbc97b23ebd6ba97a

Download Submit
memory/600-94-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/600-93-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/600-76-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/776-96-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/776-92-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/960-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/960-68-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/960-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/960-64-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/960-95-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/960-78-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/960-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/960-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/960-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1632-69-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-54-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/1632-77-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-55-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads