luminosity | 7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

General

Target

7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe
Size

403KB
MD5

12fab52166ca74beb58288c2beda1e86
SHA1

a84deca4453e5bd58b1cb23978d3f05a6d50fbdc
SHA256

7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081
SHA512

f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad
SSDEEP

6144:pXHB+V+i2eEGsklGFixqA/A3KEJMBpnjB85+vWeUOvsDpOX5aGBDic6:1miGXbx3/SMISOiB+7

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 1 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

Executes dropped EXE 2 IoCs

pid	Process
1368	sysmon.exe
1544	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe
984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\381709\\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 1048 set thread context of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1368 set thread context of 1544	1368	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 4 IoCs

pid	Process
1544	sysmon.exe
1544	sysmon.exe
1544	sysmon.exe
1544	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1544	sysmon.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 1048 wrote to memory of 984	1048	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	27
PID 984 wrote to memory of 1368	984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	29
PID 984 wrote to memory of 1368	984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	29
PID 984 wrote to memory of 1368	984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	29
PID 984 wrote to memory of 1368	984	7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe	29
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30
PID 1368 wrote to memory of 1544	1368	sysmon.exe	30

C:\Users\Admin\AppData\Local\Temp\7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe
"C:\Users\Admin\AppData\Local\Temp\7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe
  "C:\Users\Admin\AppData\Local\Temp\7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\ProgramData\381709\sysmon.exe
    "C:\ProgramData\381709\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1368
  - - C:\ProgramData\381709\sysmon.exe
      "C:\ProgramData\381709\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
      Suspicious use of SetWindowsHookEx
      PID:1544

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

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Downloads

C:\ProgramData\381709\sysmon.exe

Filesize
403KB

MD5
12fab52166ca74beb58288c2beda1e86

SHA1
a84deca4453e5bd58b1cb23978d3f05a6d50fbdc

SHA256
7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

SHA512
f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad

Download Submit
C:\ProgramData\381709\sysmon.exe

Filesize
403KB

MD5
12fab52166ca74beb58288c2beda1e86

SHA1
a84deca4453e5bd58b1cb23978d3f05a6d50fbdc

SHA256
7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

SHA512
f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad

Download Submit
C:\ProgramData\381709\sysmon.exe

Filesize
403KB

MD5
12fab52166ca74beb58288c2beda1e86

SHA1
a84deca4453e5bd58b1cb23978d3f05a6d50fbdc

SHA256
7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

SHA512
f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad

Download Submit
\ProgramData\381709\sysmon.exe

Filesize
403KB

MD5
12fab52166ca74beb58288c2beda1e86

SHA1
a84deca4453e5bd58b1cb23978d3f05a6d50fbdc

SHA256
7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

SHA512
f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad

Download Submit
\ProgramData\381709\sysmon.exe

Filesize
403KB

MD5
12fab52166ca74beb58288c2beda1e86

SHA1
a84deca4453e5bd58b1cb23978d3f05a6d50fbdc

SHA256
7da9245a700f6545d3ecf786f990fff2396fed1cc5f73621f2b63599ca145081

SHA512
f4fb20486267185fafd6f5645b57b6997b4d19d6c5db41c957d2d419d1884d3b40137307d16c62ce24103434419441216feeb81fee722c65b418f27f7bf489ad

Download Submit
memory/984-59-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-56-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-67-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-70-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-98-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/984-63-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-100-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/984-57-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/984-72-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1048-55-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-68-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1368-79-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1368-92-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1544-97-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1544-99-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads