luminosity | 0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 13:37

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General

Target

0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
Size

231KB
MD5

5493afff685719b09cb135f27c237dd0
SHA1

def43e58679be5742104de3eb50f90447cc46463
SHA256

0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f
SHA512

9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00
SSDEEP

6144:x4Rm3MhPgYFNuyEqs3uqPD9k9vK78pF/jOIj:x4RRhYYhERPPD8vK47KI

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\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\669859\\sysmon.exe\""	sysmon.exe
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
1752	sysmon.exe
1944	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.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\System Monitor = "\"C:\\ProgramData\\669859\\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 756 set thread context of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 1752 set thread context of 1944	1752	sysmon.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 64 IoCs

pid	Process
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1944	sysmon.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1944	sysmon.exe
1944	sysmon.exe
1944	sysmon.exe
1944	sysmon.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
1752	sysmon.exe
1752	sysmon.exe
756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
Token: SeDebugPrivilege	1752	sysmon.exe
Token: SeDebugPrivilege	1944	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1944	sysmon.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 756 wrote to memory of 1536	756	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	28
PID 1536 wrote to memory of 1752	1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	30
PID 1536 wrote to memory of 1752	1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	30
PID 1536 wrote to memory of 1752	1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	30
PID 1536 wrote to memory of 1752	1536	0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe	30
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1752 wrote to memory of 1944	1752	sysmon.exe	31
PID 1944 wrote to memory of 1752	1944	sysmon.exe	30
PID 1944 wrote to memory of 1752	1944	sysmon.exe	30
PID 1944 wrote to memory of 1752	1944	sysmon.exe	30
PID 1944 wrote to memory of 1752	1944	sysmon.exe	30
PID 1944 wrote to memory of 1752	1944	sysmon.exe	30

C:\Users\Admin\AppData\Local\Temp\0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
"C:\Users\Admin\AppData\Local\Temp\0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe
  "C:\Users\Admin\AppData\Local\Temp\0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1536
- - C:\ProgramData\669859\sysmon.exe
    "C:\ProgramData\669859\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1752
  - - C:\ProgramData\669859\sysmon.exe
      "C:\ProgramData\669859\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
      Suspicious use of WriteProcessMemory
      PID:1944

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\669859\sysmon.exe

Filesize
231KB

MD5
5493afff685719b09cb135f27c237dd0

SHA1
def43e58679be5742104de3eb50f90447cc46463

SHA256
0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

SHA512
9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00

Download Submit
C:\ProgramData\669859\sysmon.exe

Filesize
231KB

MD5
5493afff685719b09cb135f27c237dd0

SHA1
def43e58679be5742104de3eb50f90447cc46463

SHA256
0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

SHA512
9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00

Download Submit
C:\ProgramData\669859\sysmon.exe

Filesize
231KB

MD5
5493afff685719b09cb135f27c237dd0

SHA1
def43e58679be5742104de3eb50f90447cc46463

SHA256
0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

SHA512
9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00

Download Submit
\ProgramData\669859\sysmon.exe

Filesize
231KB

MD5
5493afff685719b09cb135f27c237dd0

SHA1
def43e58679be5742104de3eb50f90447cc46463

SHA256
0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

SHA512
9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00

Download Submit
\ProgramData\669859\sysmon.exe

Filesize
231KB

MD5
5493afff685719b09cb135f27c237dd0

SHA1
def43e58679be5742104de3eb50f90447cc46463

SHA256
0598bac7ca1d0f2aa27167d0bc3d89140e3e8742d6e6caa09646e0f13940527f

SHA512
9f318b1ddb88252acd3bca43ad5e6c7837556da43f61ae3843c71188fccb634be4d73164697d3604d6174e747c12bb4a1a01b7a4a2bfa683cd8c8d3c0037ea00

Download Submit
memory/756-69-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/756-55-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/756-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1536-64-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-68-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1536-70-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1536-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1536-94-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-90-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1752-92-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-91-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-93-0x0000000074CE0000-0x000000007528B000-memory.dmp

Filesize
5.7MB

Download