luminosity | 77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80

General

Target

77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe
Size

1.7MB
MD5

f6775963efac80285f8bd9ccf238e8e6
SHA1

c62b3116cd6be338f3a5c31c475440405971a213
SHA256

77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80
SHA512

2df6ae13a2fadbd56973423c47f2bf59e0eb6aa1e809ca0779d5b088b824eaf3625a0f4899f87df338cf8389f11374f29cac1aa589edca54f7d98329f920e86f
SSDEEP

49152:XdPemCeUjRvBvaBEDYlHQE4eZY9oB21V4z:N2tekRclwDAYakaz

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\""	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe\""	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe

Executes dropped EXE 1 IoCs

pid	Process
1484	mysqldt.exe

Loads dropped DLL 2 IoCs

pid	Process
1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe
1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\MySQL = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe\""	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\clientsvr.exe	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe

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

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

T1053

pid	Process
268	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 268	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	28
PID 1868 wrote to memory of 268	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	28
PID 1868 wrote to memory of 268	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	28
PID 1868 wrote to memory of 268	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	28
PID 1868 wrote to memory of 1484	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	31
PID 1868 wrote to memory of 1484	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	31
PID 1868 wrote to memory of 1484	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	31
PID 1868 wrote to memory of 1484	1868	77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe	31

C:\Users\Admin\AppData\Local\Temp\77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe
"C:\Users\Admin\AppData\Local\Temp\77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Update\mysqldt" /XML "C:\Users\Admin\AppData\Local\Temp\1471840762.xml"
  2⤵
  - Creates scheduled task(s)
  PID:268
- C:\ProgramData\683383\mysqldt.exe
  "C:\ProgramData\683383\mysqldt.exe"
  2⤵
  - Executes dropped EXE
  PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Winlogon Helper DLL

Privilege Escalation

Scheduled Task

1

T1053

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\683383\mysqldt.exe

Filesize
1.7MB

MD5
f6775963efac80285f8bd9ccf238e8e6

SHA1
c62b3116cd6be338f3a5c31c475440405971a213

SHA256
77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80

SHA512
2df6ae13a2fadbd56973423c47f2bf59e0eb6aa1e809ca0779d5b088b824eaf3625a0f4899f87df338cf8389f11374f29cac1aa589edca54f7d98329f920e86f

Download Submit
C:\ProgramData\683383\mysqldt.exe

Filesize
1.7MB

MD5
f6775963efac80285f8bd9ccf238e8e6

SHA1
c62b3116cd6be338f3a5c31c475440405971a213

SHA256
77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80

SHA512
2df6ae13a2fadbd56973423c47f2bf59e0eb6aa1e809ca0779d5b088b824eaf3625a0f4899f87df338cf8389f11374f29cac1aa589edca54f7d98329f920e86f

Download Submit
C:\Users\Admin\AppData\Local\Temp\1471840762.xml

Filesize
1KB

MD5
069f1fcadee88a26d1e7a78f23c62e2a

SHA1
6b4e4f5a38e36187eb6da8a7464f770f583f72bb

SHA256
e35b77808582c3a354e60fe8cc99990a8a6ee34a246669c2a90da81f8a20c0a5

SHA512
6dc3475904dbabcf91f323a37eb4118f8d3ad86c28a719416df0868a24d137a0546c037752d579133a4740dd96e4bb3103c446b2d7613ba6734f7b2ce8cceb0a

Download Submit
\ProgramData\683383\mysqldt.exe

Filesize
1.7MB

MD5
f6775963efac80285f8bd9ccf238e8e6

SHA1
c62b3116cd6be338f3a5c31c475440405971a213

SHA256
77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80

SHA512
2df6ae13a2fadbd56973423c47f2bf59e0eb6aa1e809ca0779d5b088b824eaf3625a0f4899f87df338cf8389f11374f29cac1aa589edca54f7d98329f920e86f

Download Submit
\ProgramData\683383\mysqldt.exe

Filesize
1.7MB

MD5
f6775963efac80285f8bd9ccf238e8e6

SHA1
c62b3116cd6be338f3a5c31c475440405971a213

SHA256
77576d4c908eb399228e2a00c6269714739195a3db63fb597f47fdf54df32b80

SHA512
2df6ae13a2fadbd56973423c47f2bf59e0eb6aa1e809ca0779d5b088b824eaf3625a0f4899f87df338cf8389f11374f29cac1aa589edca54f7d98329f920e86f

Download Submit
memory/1484-65-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1868-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1868-55-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1868-56-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads