luminosity | 5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383

General

Target

5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
Size

363KB
MD5

407ad0b8ca4c0d6fdf45497b6e5e91b3
SHA1

b904a4b9b05ff476c14b1c3dd1de55c7cbab0654
SHA256

5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383
SHA512

32c2f382b19298cf4e6978c44a09a33bb9ee0912d89ebf0138139f1618f3e8640474c78a97f3815dea4f740c177ef809efbf2a6d45e9588958d3fa7a654c9b98
SSDEEP

6144:w8i2UsvYzQGvK28szYvU4n2kJBbnCtfhCyZx+LFus/pT7ivqqqXASDLNVJ6i:G2UsJwKqc4krDCtZxGFusxwqqMLXAi

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\""	helper.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\\231036\\helper.exe\""	helper.exe

Executes dropped EXE 2 IoCs

pid	Process
1496	helper.exe
552	helper.exe

Loads dropped DLL 1 IoCs

pid	Process
1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe

Adds Run key to start application 2 TTPs 3 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\Run\PS3ai2RI4Cc31t0n = "C:\\Users\\Admin\\AppData\\Roaming\\VcBMrGX0F13ago17\\nQuZ3ENlEZBr.exe"	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\PS3ai2RI4Cc31t0nLF = "C:\\Users\\Admin\\AppData\\Roaming\\VcBMrGX0F13ago17\\zHdsCKEBCAdd.exe"	helper.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Computer Helper = "\"C:\\ProgramData\\231036\\helper.exe\""	helper.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1496 set thread context of 552	1496	helper.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 7 IoCs

pid	Process
1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
1496	helper.exe
1496	helper.exe
552	helper.exe
552	helper.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
Token: SeDebugPrivilege	1496	helper.exe
Token: SeDebugPrivilege	552	helper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	helper.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1872	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	27
PID 1100 wrote to memory of 1872	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	27
PID 1100 wrote to memory of 1872	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	27
PID 1100 wrote to memory of 1872	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	27
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1100 wrote to memory of 1820	1100	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	28
PID 1820 wrote to memory of 1496	1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	30
PID 1820 wrote to memory of 1496	1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	30
PID 1820 wrote to memory of 1496	1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	30
PID 1820 wrote to memory of 1496	1820	5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe	30
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31
PID 1496 wrote to memory of 552	1496	helper.exe	31

C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
"C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
  "C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe"
  2⤵
  PID:1872
- C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe
  "C:\Users\Admin\AppData\Local\Temp\5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\ProgramData\231036\helper.exe
    "C:\ProgramData\231036\helper.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1496
  - - C:\ProgramData\231036\helper.exe
      "C:\ProgramData\231036\helper.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:552

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\231036\helper.exe

Filesize
363KB

MD5
407ad0b8ca4c0d6fdf45497b6e5e91b3

SHA1
b904a4b9b05ff476c14b1c3dd1de55c7cbab0654

SHA256
5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383

SHA512
32c2f382b19298cf4e6978c44a09a33bb9ee0912d89ebf0138139f1618f3e8640474c78a97f3815dea4f740c177ef809efbf2a6d45e9588958d3fa7a654c9b98

Download Submit
C:\ProgramData\231036\helper.exe

Filesize
363KB

MD5
407ad0b8ca4c0d6fdf45497b6e5e91b3

SHA1
b904a4b9b05ff476c14b1c3dd1de55c7cbab0654

SHA256
5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383

SHA512
32c2f382b19298cf4e6978c44a09a33bb9ee0912d89ebf0138139f1618f3e8640474c78a97f3815dea4f740c177ef809efbf2a6d45e9588958d3fa7a654c9b98

Download Submit
C:\ProgramData\231036\helper.exe

Filesize
363KB

MD5
407ad0b8ca4c0d6fdf45497b6e5e91b3

SHA1
b904a4b9b05ff476c14b1c3dd1de55c7cbab0654

SHA256
5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383

SHA512
32c2f382b19298cf4e6978c44a09a33bb9ee0912d89ebf0138139f1618f3e8640474c78a97f3815dea4f740c177ef809efbf2a6d45e9588958d3fa7a654c9b98

Download Submit
\ProgramData\231036\helper.exe

Filesize
363KB

MD5
407ad0b8ca4c0d6fdf45497b6e5e91b3

SHA1
b904a4b9b05ff476c14b1c3dd1de55c7cbab0654

SHA256
5afacb39e2b3de26c60c6c4e96cf172dd952e20e7b081dd498a7157d8cb99383

SHA512
32c2f382b19298cf4e6978c44a09a33bb9ee0912d89ebf0138139f1618f3e8640474c78a97f3815dea4f740c177ef809efbf2a6d45e9588958d3fa7a654c9b98

Download Submit
memory/552-91-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/552-92-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1100-67-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1100-54-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

Filesize
8KB

Download
memory/1100-55-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-86-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-76-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1820-69-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1820-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-75-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1820-64-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1820-93-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads