luminosity | 4ea28d5654139872543b0aa3987e97ddb0a92b977afdd993efbb64b34bc51322

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 20:04

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General

Target

Purchase order list.JPG.scr
Size

674KB
MD5

732666aebcfaa043adcf0435c25c2a63
SHA1

7063a25f0d956ac54fdf83b5842f750c18d214e7
SHA256

1a5f70e81feddef080a6913baa2c46e2098cc0dec52c66a0f6632084d7ba983e
SHA512

0d0eb7aaa8c0033e3e6e84316eb3b095b47cfea00c8e8adcc12525f628966e8de39e891bb6f55de8991536912fe746fd6f27892c4aa0fbacc9842295714dce79
SSDEEP

12288:S5ciWsuCCFz+srS6lBeMS8YOUKaENFgI9ttuZC7vWEY:STMFCO5lmOUKaXINuK2

Score

10^/10

luminosity persistence rat

Malware Config

Signatures

Luminosity 2 IoCs

Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

rat luminosity

description	ioc	pid	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe		Purchase order list.JPG.scr
		4452	schtasks.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Purchase order list.JPG.scr
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	example.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe	Purchase order list.JPG.scr
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe	Purchase order list.JPG.scr
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe	Purchase order list.JPG.scr

Executes dropped EXE 4 IoCs

pid	Process
1472	example.exe
4108	example.exe
2888	example.exe
548	example.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\example = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\example.exe"	example.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Client Monitor = "\"C:\\Program Files (x86)\\Client\\client.exe\" -a /a"	Purchase order list.JPG.scr

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 4196	3972	Purchase order list.JPG.scr	86
PID 1472 set thread context of 4108	1472	example.exe	89
PID 2888 set thread context of 548	2888	example.exe	91
PID 1472 set thread context of 5060	1472	example.exe	103
PID 2888 set thread context of 3340	2888	example.exe	104

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Client\client.exe	example.exe
File opened for modification	C:\Program Files (x86)\Client\client.exe	example.exe
File created	C:\Program Files (x86)\Client\client.exe	Purchase order list.JPG.scr
File opened for modification	C:\Program Files (x86)\Client\client.exe	Purchase order list.JPG.scr
File created	C:\Program Files (x86)\Client\client.exe	example.exe
File opened for modification	C:\Program Files (x86)\Client\client.exe	example.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3972	Purchase order list.JPG.scr
3972	Purchase order list.JPG.scr
3972	Purchase order list.JPG.scr
1472	example.exe
1472	example.exe
1472	example.exe
2888	example.exe
2888	example.exe
2888	example.exe
2888	example.exe
2888	example.exe
1472	example.exe
1472	example.exe
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
548	example.exe
548	example.exe
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
2888	example.exe
2888	example.exe
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
1472	example.exe
1472	example.exe
1472	example.exe
1472	example.exe
2888	example.exe
2888	example.exe
2888	example.exe
2888	example.exe
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
1472	example.exe
1472	example.exe
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr
4196	Purchase order list.JPG.scr

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3972	Purchase order list.JPG.scr
Token: SeDebugPrivilege	1472	example.exe
Token: SeDebugPrivilege	2888	example.exe
Token: SeDebugPrivilege	4196	Purchase order list.JPG.scr

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4196	Purchase order list.JPG.scr

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 4196	3972	Purchase order list.JPG.scr	86
PID 3972 wrote to memory of 1472	3972	Purchase order list.JPG.scr	87
PID 3972 wrote to memory of 1472	3972	Purchase order list.JPG.scr	87
PID 3972 wrote to memory of 1472	3972	Purchase order list.JPG.scr	87
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 4108	1472	example.exe	89
PID 1472 wrote to memory of 2888	1472	example.exe	90
PID 1472 wrote to memory of 2888	1472	example.exe	90
PID 1472 wrote to memory of 2888	1472	example.exe	90
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 2888 wrote to memory of 548	2888	example.exe	91
PID 4196 wrote to memory of 548	4196	Purchase order list.JPG.scr	91
PID 4196 wrote to memory of 548	4196	Purchase order list.JPG.scr	91
PID 4196 wrote to memory of 548	4196	Purchase order list.JPG.scr	91
PID 4196 wrote to memory of 548	4196	Purchase order list.JPG.scr	91
PID 4196 wrote to memory of 548	4196	Purchase order list.JPG.scr	91
PID 4196 wrote to memory of 2888	4196	Purchase order list.JPG.scr	90
PID 4196 wrote to memory of 2888	4196	Purchase order list.JPG.scr	90
PID 4196 wrote to memory of 2888	4196	Purchase order list.JPG.scr	90
PID 4196 wrote to memory of 2888	4196	Purchase order list.JPG.scr	90
PID 4196 wrote to memory of 2888	4196	Purchase order list.JPG.scr	90
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 1472 wrote to memory of 5060	1472	example.exe	103
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 2888 wrote to memory of 3340	2888	example.exe	104
PID 4196 wrote to memory of 1472	4196	Purchase order list.JPG.scr	87
PID 4196 wrote to memory of 1472	4196	Purchase order list.JPG.scr	87
PID 4196 wrote to memory of 1472	4196	Purchase order list.JPG.scr	87
PID 4196 wrote to memory of 1472	4196	Purchase order list.JPG.scr	87
PID 4196 wrote to memory of 1472	4196	Purchase order list.JPG.scr	87
PID 4196 wrote to memory of 4452	4196	Purchase order list.JPG.scr	105
PID 4196 wrote to memory of 4452	4196	Purchase order list.JPG.scr	105
PID 4196 wrote to memory of 4452	4196	Purchase order list.JPG.scr	105

C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr
"C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr" /S
1⤵
- Luminosity
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr
  "C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc onlogon /tn "Client Monitor" /rl highest /tr "'C:\Program Files (x86)\Client\client.exe' /startup" /f
    3⤵
    - Luminosity
    - Creates scheduled task(s)
    PID:4452
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:4108
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      PID:548
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
      4⤵
      PID:3340
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
    3⤵
    PID:5060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\example.exe.log

Filesize
680B

MD5
493cc1b3873d62269aaf0dc7c51604ed

SHA1
97efb44a8b6eaaeedaeb6290b6d1e890c8fc8051

SHA256
39826f82eae75ef338f46096252ec95d01c21a1c8352485640734859b58124d9

SHA512
97f2d9e13a6d81cd7ace28a117ce4e64262cffa19c9828bc255da66534554d9909ded962f214f79ec7c498f1d116de73cd8ca5e0fba69e4bdb42b338019bc010

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe

Filesize
674KB

MD5
732666aebcfaa043adcf0435c25c2a63

SHA1
7063a25f0d956ac54fdf83b5842f750c18d214e7

SHA256
1a5f70e81feddef080a6913baa2c46e2098cc0dec52c66a0f6632084d7ba983e

SHA512
0d0eb7aaa8c0033e3e6e84316eb3b095b47cfea00c8e8adcc12525f628966e8de39e891bb6f55de8991536912fe746fd6f27892c4aa0fbacc9842295714dce79

Download Submit
memory/548-51-0x0000000006910000-0x0000000006927000-memory.dmp

Filesize
92KB

Download
memory/548-40-0x0000000006910000-0x0000000006927000-memory.dmp

Filesize
92KB

Download
memory/548-39-0x0000000006930000-0x0000000006931000-memory.dmp

Filesize
4KB

Download
memory/548-36-0x0000000006910000-0x0000000006927000-memory.dmp

Filesize
92KB

Download
memory/548-38-0x0000000006910000-0x0000000006927000-memory.dmp

Filesize
92KB

Download
memory/548-37-0x0000000006910000-0x0000000006927000-memory.dmp

Filesize
92KB

Download
memory/1472-57-0x0000000007380000-0x0000000007397000-memory.dmp

Filesize
92KB

Download
memory/1472-54-0x0000000007380000-0x0000000007397000-memory.dmp

Filesize
92KB

Download
memory/1472-22-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-23-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-24-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-25-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-68-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-60-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-53-0x0000000007380000-0x0000000007397000-memory.dmp

Filesize
92KB

Download
memory/1472-55-0x0000000007380000-0x0000000007397000-memory.dmp

Filesize
92KB

Download
memory/1472-56-0x00000000073A0000-0x00000000073A1000-memory.dmp

Filesize
4KB

Download
memory/2888-45-0x0000000006620000-0x0000000006621000-memory.dmp

Filesize
4KB

Download
memory/2888-44-0x0000000006600000-0x0000000006617000-memory.dmp

Filesize
92KB

Download
memory/2888-43-0x0000000006600000-0x0000000006617000-memory.dmp

Filesize
92KB

Download
memory/2888-42-0x0000000006600000-0x0000000006617000-memory.dmp

Filesize
92KB

Download
memory/2888-46-0x0000000006600000-0x0000000006617000-memory.dmp

Filesize
92KB

Download
memory/3972-0-0x0000000074842000-0x0000000074843000-memory.dmp

Filesize
4KB

Download
memory/3972-21-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/3972-2-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/3972-3-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/3972-1-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-59-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-5-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4196-6-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4196-7-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4452-64-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/4452-63-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/4452-62-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/4452-61-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/4452-65-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download
memory/4452-67-0x0000000000C20000-0x0000000000C37000-memory.dmp

Filesize
92KB

Download