luminosity | 34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4

General

Target

34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe
Size

316KB
MD5

84948e4fa2b962aeda4416452ebc2580
SHA1

93c8154a6622a70574ecfd98858f2b4e05e48155
SHA256

34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4
SHA512

0fbb4223ef423742dbf180d3a03d5cccf22e7828abd4fb114b278fbc0b8c75c2fd1d93ad2f63597d2ef3004ad4e6621e6911966185a173984b117d13e8980ad0
SSDEEP

6144:G8aP4mbZxGNp5cMzeJfH43t64qUe9jFwAGCBJEiCnlfX1Gx/ZLp/:ZaFf6p5PeBU6xUWFwAGTnd1G7p

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\\844526\\helper.exe\""	helper.exe

Executes dropped EXE 2 IoCs

pid	Process
396	helper.exe
1956	helper.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.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\Computer Helper = "\"C:\\ProgramData\\844526\\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 1948 set thread context of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 396 set thread context of 1956	396	helper.exe	30

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 2 IoCs

pid	Process
1956	helper.exe
1956	helper.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe
Token: SeDebugPrivilege	396	helper.exe
Token: SeDebugPrivilege	1956	helper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1956	helper.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1948 wrote to memory of 1752	1948	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	27
PID 1752 wrote to memory of 396	1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	29
PID 1752 wrote to memory of 396	1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	29
PID 1752 wrote to memory of 396	1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	29
PID 1752 wrote to memory of 396	1752	34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe	29
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30
PID 396 wrote to memory of 1956	396	helper.exe	30

C:\Users\Admin\AppData\Local\Temp\34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe
"C:\Users\Admin\AppData\Local\Temp\34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe
  "C:\Users\Admin\AppData\Local\Temp\34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\ProgramData\844526\helper.exe
    "C:\ProgramData\844526\helper.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:396
  - - C:\ProgramData\844526\helper.exe
      "C:\ProgramData\844526\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:1956

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\844526\helper.exe

Filesize
316KB

MD5
84948e4fa2b962aeda4416452ebc2580

SHA1
93c8154a6622a70574ecfd98858f2b4e05e48155

SHA256
34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4

SHA512
0fbb4223ef423742dbf180d3a03d5cccf22e7828abd4fb114b278fbc0b8c75c2fd1d93ad2f63597d2ef3004ad4e6621e6911966185a173984b117d13e8980ad0

Download Submit
C:\ProgramData\844526\helper.exe

Filesize
316KB

MD5
84948e4fa2b962aeda4416452ebc2580

SHA1
93c8154a6622a70574ecfd98858f2b4e05e48155

SHA256
34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4

SHA512
0fbb4223ef423742dbf180d3a03d5cccf22e7828abd4fb114b278fbc0b8c75c2fd1d93ad2f63597d2ef3004ad4e6621e6911966185a173984b117d13e8980ad0

Download Submit
C:\ProgramData\844526\helper.exe

Filesize
316KB

MD5
84948e4fa2b962aeda4416452ebc2580

SHA1
93c8154a6622a70574ecfd98858f2b4e05e48155

SHA256
34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4

SHA512
0fbb4223ef423742dbf180d3a03d5cccf22e7828abd4fb114b278fbc0b8c75c2fd1d93ad2f63597d2ef3004ad4e6621e6911966185a173984b117d13e8980ad0

Download Submit
\ProgramData\844526\helper.exe

Filesize
316KB

MD5
84948e4fa2b962aeda4416452ebc2580

SHA1
93c8154a6622a70574ecfd98858f2b4e05e48155

SHA256
34bfe17b32cd412f787543a66f5346437e6deee3aa0c461ccbdd103d67b0e8b4

SHA512
0fbb4223ef423742dbf180d3a03d5cccf22e7828abd4fb114b278fbc0b8c75c2fd1d93ad2f63597d2ef3004ad4e6621e6911966185a173984b117d13e8980ad0

Download Submit
memory/396-102-0x0000000000485000-0x0000000000496000-memory.dmp

Filesize
68KB

Download
memory/396-101-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/396-87-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/396-85-0x0000000000485000-0x0000000000496000-memory.dmp

Filesize
68KB

Download
memory/396-84-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-59-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-74-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-104-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-86-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-78-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-67-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-66-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-71-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-62-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1752-60-0x0000000000080000-0x00000000000BE000-memory.dmp

Filesize
248KB

Download
memory/1948-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1948-77-0x0000000000505000-0x0000000000516000-memory.dmp

Filesize
68KB

Download
memory/1948-58-0x0000000000505000-0x0000000000516000-memory.dmp

Filesize
68KB

Download
memory/1948-57-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-56-0x0000000000505000-0x0000000000516000-memory.dmp

Filesize
68KB

Download
memory/1948-55-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-76-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1956-97-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1956-99-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1956-103-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download
memory/1956-105-0x0000000073FC0000-0x000000007456B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads