luminosity | 3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

General

Target

3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
Size

1.4MB
MD5

5e045da5143cb22634f71ab931e1ee46
SHA1

a3c226344a934a7635757dfed37fc510039cedb0
SHA256

3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0
SHA512

722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

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\""	sysmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\211121\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1296	sysmon.exe
468	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\211121\\sysmon.exe\""	sysmon.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1260 set thread context of 240	1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	27
PID 1296 set thread context of 468	1296	sysmon.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 13 IoCs

pid	Process
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1296	sysmon.exe
1296	sysmon.exe
1296	sysmon.exe
1296	sysmon.exe
1296	sysmon.exe
468	sysmon.exe
468	sysmon.exe
468	sysmon.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
1296	sysmon.exe
1296	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	sysmon.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 240	1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	27
PID 1260 wrote to memory of 240	1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	27
PID 1260 wrote to memory of 240	1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	27
PID 1260 wrote to memory of 240	1260	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	27
PID 240 wrote to memory of 1296	240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	29
PID 240 wrote to memory of 1296	240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	29
PID 240 wrote to memory of 1296	240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	29
PID 240 wrote to memory of 1296	240	3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe	29
PID 1296 wrote to memory of 468	1296	sysmon.exe	30
PID 1296 wrote to memory of 468	1296	sysmon.exe	30
PID 1296 wrote to memory of 468	1296	sysmon.exe	30
PID 1296 wrote to memory of 468	1296	sysmon.exe	30

C:\Users\Admin\AppData\Local\Temp\3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
"C:\Users\Admin\AppData\Local\Temp\3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe
  "C:\Users\Admin\AppData\Local\Temp\3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:240
- - C:\ProgramData\211121\sysmon.exe
    "C:\ProgramData\211121\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1296
  - - C:\ProgramData\211121\sysmon.exe
      "C:\ProgramData\211121\sysmon.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
      PID:468

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\211121\sysmon.exe

Filesize
1.4MB

MD5
5e045da5143cb22634f71ab931e1ee46

SHA1
a3c226344a934a7635757dfed37fc510039cedb0

SHA256
3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

SHA512
722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

Download Submit
C:\ProgramData\211121\sysmon.exe

Filesize
1.4MB

MD5
5e045da5143cb22634f71ab931e1ee46

SHA1
a3c226344a934a7635757dfed37fc510039cedb0

SHA256
3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

SHA512
722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

Download Submit
C:\ProgramData\211121\sysmon.exe

Filesize
1.4MB

MD5
5e045da5143cb22634f71ab931e1ee46

SHA1
a3c226344a934a7635757dfed37fc510039cedb0

SHA256
3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

SHA512
722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

Download Submit
\ProgramData\211121\sysmon.exe

Filesize
1.4MB

MD5
5e045da5143cb22634f71ab931e1ee46

SHA1
a3c226344a934a7635757dfed37fc510039cedb0

SHA256
3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

SHA512
722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

Download Submit
\ProgramData\211121\sysmon.exe

Filesize
1.4MB

MD5
5e045da5143cb22634f71ab931e1ee46

SHA1
a3c226344a934a7635757dfed37fc510039cedb0

SHA256
3eb7945613b579e82e8377fc0097e42fe6bc64047da17683bc9b317c412be9b0

SHA512
722771a4a5dca75d5d85e06bfca4054563334ff53bbf36a0ac636b8976eb7b0d8be2068653750f1a8dafa7d893fb250deba6e6daa60a6225b258f3bb0bdd9e80

Download Submit
memory/240-60-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/240-59-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/240-77-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/240-56-0x00000000002B0000-0x00000000002EE000-memory.dmp

Filesize
248KB

Download
memory/240-57-0x00000000002B0000-0x00000000002EE000-memory.dmp

Filesize
248KB

Download
memory/240-76-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/240-74-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/468-70-0x0000000000390000-0x00000000003CE000-memory.dmp

Filesize
248KB

Download
memory/468-72-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/468-73-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/468-75-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/1260-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads