luminosity | 3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2022 23:33

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General

Target

3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe
Size

222KB
MD5

6a3bdf1d8367c7a0f89a57b5a5e59c50
SHA1

4c78f1c1ebecc5877fb60cebc99c26c04284c226
SHA256

3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130
SHA512

cd27703b64a41630c4b4189c4730a87c5ac4ba6fc79d55610dc77024c62986f7579770594bbfbbb4ac715fada73768c50de59348f3b7da41a418955b10a819c2
SSDEEP

3072:8U4f+fkjZt7fF0L2vMCDiu0Y8RxwLRMcR9aBeWvfxLWDwHeWJ2NJucbPvJ1nlYZC:81i+f3uBmLbR9JWJWmJYJuEvPr

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\""	Teamspeak Plugin.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\\174592\\Teamspeak Plugin.exe\""	Teamspeak Plugin.exe

Executes dropped EXE 1 IoCs

pid	Process
1868	Teamspeak Plugin.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Teamspeak Plugin = "\"C:\\ProgramData\\174592\\Teamspeak Plugin.exe\""	Teamspeak Plugin.exe

Drops file in System32 directory 2 IoCs

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

pid	Process
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe
5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe
1868	Teamspeak Plugin.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	Teamspeak Plugin.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1868	Teamspeak Plugin.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1868	5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe	84
PID 5012 wrote to memory of 1868	5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe	84
PID 5012 wrote to memory of 1868	5012	3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe	84
PID 1868 wrote to memory of 5012	1868	Teamspeak Plugin.exe	82
PID 1868 wrote to memory of 5012	1868	Teamspeak Plugin.exe	82
PID 1868 wrote to memory of 5012	1868	Teamspeak Plugin.exe	82
PID 1868 wrote to memory of 5012	1868	Teamspeak Plugin.exe	82
PID 1868 wrote to memory of 5012	1868	Teamspeak Plugin.exe	82

C:\Users\Admin\AppData\Local\Temp\3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe
"C:\Users\Admin\AppData\Local\Temp\3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:5012
- C:\ProgramData\174592\Teamspeak Plugin.exe
  "C:\ProgramData\174592\Teamspeak Plugin.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
  - Suspicious use of WriteProcessMemory
  PID:1868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\174592\Teamspeak Plugin.exe

Filesize
222KB

MD5
6a3bdf1d8367c7a0f89a57b5a5e59c50

SHA1
4c78f1c1ebecc5877fb60cebc99c26c04284c226

SHA256
3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130

SHA512
cd27703b64a41630c4b4189c4730a87c5ac4ba6fc79d55610dc77024c62986f7579770594bbfbbb4ac715fada73768c50de59348f3b7da41a418955b10a819c2

Download Submit
C:\ProgramData\174592\Teamspeak Plugin.exe

Filesize
222KB

MD5
6a3bdf1d8367c7a0f89a57b5a5e59c50

SHA1
4c78f1c1ebecc5877fb60cebc99c26c04284c226

SHA256
3c25d30d67337013406e7155b35ee19fb646af4e46e437e940aae8c08d8ca130

SHA512
cd27703b64a41630c4b4189c4730a87c5ac4ba6fc79d55610dc77024c62986f7579770594bbfbbb4ac715fada73768c50de59348f3b7da41a418955b10a819c2

Download Submit
memory/1868-136-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/1868-141-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5012-132-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5012-137-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/5012-138-0x0000000006C50000-0x0000000006C67000-memory.dmp

Filesize
92KB

Download
memory/5012-139-0x0000000006C50000-0x0000000006C67000-memory.dmp

Filesize
92KB

Download
memory/5012-140-0x0000000006C50000-0x0000000006C67000-memory.dmp

Filesize
92KB

Download
memory/5012-142-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download