luminosity | b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

General

Target

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
Size

267KB
MD5

03f81f69db69634c13210bae6b4598f4
SHA1

6710382e4f58f97f99fca1ae6b189fcc67e9011d
SHA256

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5
SHA512

f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8
SSDEEP

6144:LIl3YnIIHBJ0X4U3cCIUqWzInoBdm4XORyGB7W0OnyYLSAXQ:ElYhQ4UMCIMdw3BTOyYLlg

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:

sysconfig.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	sysconfig.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\\973692\\sysconfig.exe\""	sysconfig.exe

Executes dropped EXE 2 IoCs

Processes:

sysconfig.exesysconfig.exe

pid process

2220 sysconfig.exe
4264 sysconfig.exe

pid	process
2220	sysconfig.exe
4264	sysconfig.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:

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sysconfig.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System Configuration = "\"C:\\ProgramData\\973692\\sysconfig.exe\""	sysconfig.exe

Drops file in System32 directory 2 IoCs

Processes:

sysconfig.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exesysconfig.exe

description	pid	process	target process
PID 4928 set thread context of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 2220 set thread context of 4264	2220	sysconfig.exe	sysconfig.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:

sysconfig.exesysconfig.exeb9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exeb9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

pid	process
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
2220	sysconfig.exe
2220	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe
4264	sysconfig.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

pid process

1652 b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

pid	process
1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exesysconfig.exesysconfig.exe

description	pid	process
Token: SeDebugPrivilege	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
Token: SeDebugPrivilege	2220	sysconfig.exe
Token: SeDebugPrivilege	4264	sysconfig.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sysconfig.exe

pid process

4264 sysconfig.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exeb9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exesysconfig.exesysconfig.exe

description	pid	process	target process
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4928 wrote to memory of 1652	4928	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 1652 wrote to memory of 2220	1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	sysconfig.exe
PID 1652 wrote to memory of 2220	1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	sysconfig.exe
PID 1652 wrote to memory of 2220	1652	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 2220 wrote to memory of 4264	2220	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 2220	4264	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 2220	4264	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 2220	4264	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 2220	4264	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 2220	4264	sysconfig.exe	sysconfig.exe
PID 4264 wrote to memory of 1652	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 1652	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 1652	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 1652	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 1652	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 4928	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 4928	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 4928	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 4928	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
PID 4264 wrote to memory of 4928	4264	sysconfig.exe	b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe

C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
"C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe
  "C:\Users\Admin\AppData\Local\Temp\b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\ProgramData\973692\sysconfig.exe
    "C:\ProgramData\973692\sysconfig.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2220
  - - C:\ProgramData\973692\sysconfig.exe
      "C:\ProgramData\973692\sysconfig.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:4264

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

Replay Monitor

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Downloads

C:\ProgramData\973692\sysconfig.exe

Filesize
267KB

MD5
03f81f69db69634c13210bae6b4598f4

SHA1
6710382e4f58f97f99fca1ae6b189fcc67e9011d

SHA256
b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

SHA512
f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

Download Submit
C:\ProgramData\973692\sysconfig.exe

Filesize
267KB

MD5
03f81f69db69634c13210bae6b4598f4

SHA1
6710382e4f58f97f99fca1ae6b189fcc67e9011d

SHA256
b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

SHA512
f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

Download Submit
C:\ProgramData\973692\sysconfig.exe

Filesize
267KB

MD5
03f81f69db69634c13210bae6b4598f4

SHA1
6710382e4f58f97f99fca1ae6b189fcc67e9011d

SHA256
b9694c6ae1d20d43f9ee72800810658b23ea0505afba30030fd474a22f3921f5

SHA512
f7f8cd15d01fd26b03881811e27356179deaafe3afd6a1b7b908edbab0357f52d8c3753c179c666c6df18e32cd784252c4cd92cd7e1ff21bd1981228708aa1f8

Download Submit
memory/1652-136-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1652-147-0x0000000006E90000-0x0000000006EA7000-memory.dmp

Filesize
92KB

Download
memory/1652-151-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1652-135-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1652-134-0x0000000000000000-mapping.dmp

Download
memory/1652-149-0x0000000006E90000-0x0000000006EA7000-memory.dmp

Filesize
92KB

Download
memory/1652-141-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1652-148-0x0000000006E90000-0x0000000006EA7000-memory.dmp

Filesize
92KB

Download
memory/2220-142-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/2220-140-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/2220-137-0x0000000000000000-mapping.dmp

Download
memory/4264-146-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/4264-143-0x0000000000000000-mapping.dmp

Download
memory/4264-150-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/4928-133-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/4928-132-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads