luminosity | 9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3

General

Target

9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe
Size

248KB
MD5

7171ee9dda00c1d5ff77a74aaf5a7e20
SHA1

5c4a4e5348a42b2940041b451c397c9ec2d672b9
SHA256

9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3
SHA512

85764d54a990699a9b4d3f36c0475c6ef18f6a9af33e01aef8e448c109240f4a699b314d370af7add2c96d9aac9ff4be24bb6d1cf467bee588e7ea1ca03684dd
SSDEEP

3072:KU4f+fkjZt7fF0L2vMCDiu0Y8RxwLRMcR9aBeWvfxLWDwNeWJ2NJucbPvJ1nlYZC:K1i+f3uBmLbR9JWJWAJYJuEvPr

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\\821196\\repair.exe\""	repair.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	repair.exe

Loads dropped DLL 2 IoCs

pid	Process
1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe
1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.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\\821196\\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

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 4 IoCs

pid	Process
1984	repair.exe
1984	repair.exe
1984	repair.exe
1984	repair.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	repair.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1984	repair.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1984	1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe	29
PID 1780 wrote to memory of 1984	1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe	29
PID 1780 wrote to memory of 1984	1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe	29
PID 1780 wrote to memory of 1984	1780	9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe	29

C:\Users\Admin\AppData\Local\Temp\9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe
"C:\Users\Admin\AppData\Local\Temp\9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1780
- C:\ProgramData\821196\repair.exe
  "C:\ProgramData\821196\repair.exe"
  2⤵
  - 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:1984

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

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Downloads

C:\ProgramData\821196\repair.exe

Filesize
248KB

MD5
7171ee9dda00c1d5ff77a74aaf5a7e20

SHA1
5c4a4e5348a42b2940041b451c397c9ec2d672b9

SHA256
9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3

SHA512
85764d54a990699a9b4d3f36c0475c6ef18f6a9af33e01aef8e448c109240f4a699b314d370af7add2c96d9aac9ff4be24bb6d1cf467bee588e7ea1ca03684dd

Download Submit
C:\ProgramData\821196\repair.exe

Filesize
248KB

MD5
7171ee9dda00c1d5ff77a74aaf5a7e20

SHA1
5c4a4e5348a42b2940041b451c397c9ec2d672b9

SHA256
9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3

SHA512
85764d54a990699a9b4d3f36c0475c6ef18f6a9af33e01aef8e448c109240f4a699b314d370af7add2c96d9aac9ff4be24bb6d1cf467bee588e7ea1ca03684dd

Download Submit
\ProgramData\821196\repair.exe

Filesize
248KB

MD5
7171ee9dda00c1d5ff77a74aaf5a7e20

SHA1
5c4a4e5348a42b2940041b451c397c9ec2d672b9

SHA256
9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3

SHA512
85764d54a990699a9b4d3f36c0475c6ef18f6a9af33e01aef8e448c109240f4a699b314d370af7add2c96d9aac9ff4be24bb6d1cf467bee588e7ea1ca03684dd

Download Submit
\ProgramData\821196\repair.exe

Filesize
248KB

MD5
7171ee9dda00c1d5ff77a74aaf5a7e20

SHA1
5c4a4e5348a42b2940041b451c397c9ec2d672b9

SHA256
9f7ae2627ed3edd7499589c49acfba82b1010ef6bb853d7da2198d117b6f49f3

SHA512
85764d54a990699a9b4d3f36c0475c6ef18f6a9af33e01aef8e448c109240f4a699b314d370af7add2c96d9aac9ff4be24bb6d1cf467bee588e7ea1ca03684dd

Download Submit
memory/1780-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1780-55-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-63-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/1780-65-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-62-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-64-0x0000000074330000-0x00000000748DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads