luminosity | 4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2022 02:25

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General

Target

4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe
Size

477KB
MD5

4fe45ecf79d7897c852382f5dc547ce0
SHA1

f0b4abee37a76b55f0a392690cc28a4ecee33dc8
SHA256

4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696
SHA512

4ba779a7351ad92d3e29d2bf36dc936c300b88adf46f93aae9ae2528be1af6557680057cdcb142853ee02e7382eb53b02e6b0cb4c7325c4a347f77f410b18f8b
SSDEEP

12288:BNvnd35ukmZgSVJgvvFkrxFE74st49Vohr/49P4iK70djb14:Ph5ukm04sVhr/49PrKD

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\""	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\636746\\svchost.exe\""	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
5052	out.exe
384	svchost.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	out.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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Processus h?te pour les services Windows = "\"C:\\ProgramData\\636746\\svchost.exe\""	svchost.exe

Drops file in System32 directory 2 IoCs

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

pid	Process
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
5052	out.exe
5052	out.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe
384	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
384	svchost.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 5052	736	4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe	83
PID 736 wrote to memory of 5052	736	4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe	83
PID 736 wrote to memory of 5052	736	4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe	83
PID 5052 wrote to memory of 384	5052	out.exe	84
PID 5052 wrote to memory of 384	5052	out.exe	84
PID 5052 wrote to memory of 384	5052	out.exe	84
PID 384 wrote to memory of 5052	384	svchost.exe	83
PID 384 wrote to memory of 5052	384	svchost.exe	83
PID 384 wrote to memory of 5052	384	svchost.exe	83
PID 384 wrote to memory of 5052	384	svchost.exe	83
PID 384 wrote to memory of 5052	384	svchost.exe	83

C:\Users\Admin\AppData\Local\Temp\4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe
"C:\Users\Admin\AppData\Local\Temp\4cf17e9cb40b51bfc98b414c42fa3692c032b3b19b0564c4a64153a1f6cdb696.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\out.exe
  "C:\Users\Admin\AppData\Local\Temp\out.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\ProgramData\636746\svchost.exe
    "C:\ProgramData\636746\svchost.exe"
    3⤵
    - 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:384

Network

DNS

164.2.77.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

164.2.77.40.in-addr.arpa

IN PTR

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

Remote address:

8.8.8.8:53

Request

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

IN PTR

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response
DNS

maartin10.zapto.org

svchost.exe

Remote address:

8.8.8.8:53

Request

maartin10.zapto.org

IN A

Response

52.242.97.97:443

52 B
1
209.197.3.8:80

260 B
5
72.21.81.240:80

46 B
40 B
1
1
209.197.3.8:80

260 B
5
93.184.220.29:80

322 B
7
104.46.162.224:443

322 B
7
209.197.3.8:80

322 B
7
209.197.3.8:80

322 B
7
209.197.3.8:80

322 B
7
104.80.225.205:443

322 B
7

8.8.8.8:53

164.2.77.40.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

164.2.77.40.in-addr.arpa
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa

dns

118 B
204 B
1
1

DNS Request

f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org
8.8.8.8:53

maartin10.zapto.org

dns

svchost.exe

65 B
125 B
1
1

DNS Request

maartin10.zapto.org

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\636746\svchost.exe

Filesize
222KB

MD5
731df28da903fdab197f766ab0339b65

SHA1
3ee6bba83a0842404ccd52ca21972bec3b398c32

SHA256
e882bbfe4f62dafc8075b6812749b6de656b4b90854eb6faf8bb5c9dccf13cb5

SHA512
94957325766dbb48145713715d0e2918645920379290273df1a37eb7f679ba80183bf27af94824d19ae2cef3c28d194948693142ce04b71891bba1a74744df5b

Download Submit
C:\ProgramData\636746\svchost.exe

Filesize
222KB

MD5
731df28da903fdab197f766ab0339b65

SHA1
3ee6bba83a0842404ccd52ca21972bec3b398c32

SHA256
e882bbfe4f62dafc8075b6812749b6de656b4b90854eb6faf8bb5c9dccf13cb5

SHA512
94957325766dbb48145713715d0e2918645920379290273df1a37eb7f679ba80183bf27af94824d19ae2cef3c28d194948693142ce04b71891bba1a74744df5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\out.exe

Filesize
222KB

MD5
731df28da903fdab197f766ab0339b65

SHA1
3ee6bba83a0842404ccd52ca21972bec3b398c32

SHA256
e882bbfe4f62dafc8075b6812749b6de656b4b90854eb6faf8bb5c9dccf13cb5

SHA512
94957325766dbb48145713715d0e2918645920379290273df1a37eb7f679ba80183bf27af94824d19ae2cef3c28d194948693142ce04b71891bba1a74744df5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\out.exe

Filesize
222KB

MD5
731df28da903fdab197f766ab0339b65

SHA1
3ee6bba83a0842404ccd52ca21972bec3b398c32

SHA256
e882bbfe4f62dafc8075b6812749b6de656b4b90854eb6faf8bb5c9dccf13cb5

SHA512
94957325766dbb48145713715d0e2918645920379290273df1a37eb7f679ba80183bf27af94824d19ae2cef3c28d194948693142ce04b71891bba1a74744df5b

Download Submit
memory/384-146-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/384-141-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/736-136-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/736-132-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/5052-137-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/5052-142-0x00000000069B0000-0x00000000069C7000-memory.dmp

Filesize
92KB

Download
memory/5052-143-0x00000000069B0000-0x00000000069C7000-memory.dmp

Filesize
92KB

Download
memory/5052-144-0x00000000069B0000-0x00000000069C7000-memory.dmp

Filesize
92KB

Download
memory/5052-145-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/5052-147-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v6

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