luminosity | 2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa

General

Target

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
Size

277KB
MD5

3f422b9ccbe4c778dc5902ecd3748056
SHA1

6eee7c53da6fe8bcb6b50525a6e765746136ef47
SHA256

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa
SHA512

6d1d9d00328e75b30747d0d958cce11ef492dcfc37f837634a51510511afbcf91ebe04161d6a6a0567bb0fde1c4f5ebd1e771182f4f39cc9b9502312bc37c0b3
SSDEEP

6144:1q6DvRbKLnTJnCxO+lzo6TpDCn/jUt504yJuzoBeoI:1qIvVKLTl+xompDyUtdyJp4oI

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:

sysmon.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	sysmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\595895\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

Processes:

sysmon.exesysmon.exe

pid process

1092 sysmon.exe
1848 sysmon.exe

pid	process
1092	sysmon.exe
1848	sysmon.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:

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sysmon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\595895\\sysmon.exe\""	sysmon.exe

Drops file in System32 directory 2 IoCs

Processes:

sysmon.exe

description ioc process

File created C:\Windows\SysWOW64\clientsvr.exe sysmon.exe
File opened for modification C:\Windows\SysWOW64\clientsvr.exe sysmon.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exesysmon.exe

description	pid	process	target process
PID 1568 set thread context of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1092 set thread context of 1848	1092	sysmon.exe	sysmon.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:

sysmon.exe2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exesysmon.exe2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

pid	process
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1092	sysmon.exe
1092	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe
1848	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

pid process

220 2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

pid	process
220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exesysmon.exesysmon.exe

description	pid	process
Token: SeDebugPrivilege	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
Token: SeDebugPrivilege	1092	sysmon.exe
Token: SeDebugPrivilege	1848	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sysmon.exe

pid process

1848 sysmon.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exesysmon.exesysmon.exe

description	pid	process	target process
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1568 wrote to memory of 220	1568	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 220 wrote to memory of 1092	220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	sysmon.exe
PID 220 wrote to memory of 1092	220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	sysmon.exe
PID 220 wrote to memory of 1092	220	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1092 wrote to memory of 1848	1092	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 1568	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 1568	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 1568	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 1568	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 1568	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 1092	1848	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 1092	1848	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 1092	1848	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 1092	1848	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 1092	1848	sysmon.exe	sysmon.exe
PID 1848 wrote to memory of 220	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 220	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 220	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 220	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
PID 1848 wrote to memory of 220	1848	sysmon.exe	2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe

C:\Users\Admin\AppData\Local\Temp\2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
"C:\Users\Admin\AppData\Local\Temp\2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe
  "C:\Users\Admin\AppData\Local\Temp\2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\ProgramData\595895\sysmon.exe
    "C:\ProgramData\595895\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - C:\ProgramData\595895\sysmon.exe
      "C:\ProgramData\595895\sysmon.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:1848

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

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Downloads

C:\ProgramData\595895\sysmon.exe

Filesize
277KB

MD5
3f422b9ccbe4c778dc5902ecd3748056

SHA1
6eee7c53da6fe8bcb6b50525a6e765746136ef47

SHA256
2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa

SHA512
6d1d9d00328e75b30747d0d958cce11ef492dcfc37f837634a51510511afbcf91ebe04161d6a6a0567bb0fde1c4f5ebd1e771182f4f39cc9b9502312bc37c0b3

Download Submit
C:\ProgramData\595895\sysmon.exe

Filesize
277KB

MD5
3f422b9ccbe4c778dc5902ecd3748056

SHA1
6eee7c53da6fe8bcb6b50525a6e765746136ef47

SHA256
2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa

SHA512
6d1d9d00328e75b30747d0d958cce11ef492dcfc37f837634a51510511afbcf91ebe04161d6a6a0567bb0fde1c4f5ebd1e771182f4f39cc9b9502312bc37c0b3

Download Submit
C:\ProgramData\595895\sysmon.exe

Filesize
277KB

MD5
3f422b9ccbe4c778dc5902ecd3748056

SHA1
6eee7c53da6fe8bcb6b50525a6e765746136ef47

SHA256
2cd259fc69ccb6b7cf50eda751fb1e58b26d12a9c5246ba7a4143cc56e50f9aa

SHA512
6d1d9d00328e75b30747d0d958cce11ef492dcfc37f837634a51510511afbcf91ebe04161d6a6a0567bb0fde1c4f5ebd1e771182f4f39cc9b9502312bc37c0b3

Download Submit
memory/220-133-0x0000000000000000-mapping.dmp

Download
memory/220-134-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/220-135-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/220-157-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/220-137-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/220-156-0x0000000006F50000-0x0000000006F67000-memory.dmp

Filesize
92KB

Download
memory/220-155-0x0000000006F50000-0x0000000006F67000-memory.dmp

Filesize
92KB

Download
memory/220-154-0x0000000006F50000-0x0000000006F67000-memory.dmp

Filesize
92KB

Download
memory/1092-151-0x0000000004C90000-0x0000000004CA7000-memory.dmp

Filesize
92KB

Download
memory/1092-150-0x0000000004C90000-0x0000000004CA7000-memory.dmp

Filesize
92KB

Download
memory/1092-138-0x0000000000000000-mapping.dmp

Download
memory/1092-141-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1092-152-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1092-149-0x0000000004C90000-0x0000000004CA7000-memory.dmp

Filesize
92KB

Download
memory/1568-132-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1568-148-0x00000000010B0000-0x00000000010C7000-memory.dmp

Filesize
92KB

Download
memory/1568-147-0x00000000010B0000-0x00000000010C7000-memory.dmp

Filesize
92KB

Download
memory/1568-146-0x00000000010B0000-0x00000000010C7000-memory.dmp

Filesize
92KB

Download
memory/1568-136-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-145-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-153-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1848-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads