luminosity | 5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

Analysis

max time kernel
149s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-10-2022 13:40

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General

Target

5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
Size

1.4MB
MD5

0f546e7eb4be1a79cd2e15f67cbe42b7
SHA1

bd706034409b6e6556920727c97e07eef28035f6
SHA256

5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338
SHA512

8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d
SSDEEP

24576:ZRon1G/j+J1rUyv4iBImufwpH1RH17qhsaQO51HYrq/cHYIAmTXs0x/GphJq:Z8c/yHz/BfHRIUqcHBmb

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\""	sysmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\539545\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1664	sysmon.exe
1048	sysmon.exe

Loads dropped DLL 8 IoCs

pid	Process
2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1664	sysmon.exe
1664	sysmon.exe
1664	sysmon.exe
1664	sysmon.exe
1048	sysmon.exe
1048	sysmon.exe
1048	sysmon.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\\539545\\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 1292 set thread context of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1664 set thread context of 1048	1664	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 16 IoCs

pid	Process
1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1664	sysmon.exe
1664	sysmon.exe
1664	sysmon.exe
1664	sysmon.exe
1048	sysmon.exe
1048	sysmon.exe
1048	sysmon.exe
1048	sysmon.exe
1048	sysmon.exe
2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
1048	sysmon.exe
1048	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
Token: SeDebugPrivilege	1664	sysmon.exe
Token: SeDebugPrivilege	1048	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1048	sysmon.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 1292 wrote to memory of 2044	1292	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	27
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 2044 wrote to memory of 1664	2044	5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe	29
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1664 wrote to memory of 1048	1664	sysmon.exe	30
PID 1048 wrote to memory of 2044	1048	sysmon.exe	27
PID 1048 wrote to memory of 2044	1048	sysmon.exe	27
PID 1048 wrote to memory of 2044	1048	sysmon.exe	27
PID 1048 wrote to memory of 2044	1048	sysmon.exe	27
PID 1048 wrote to memory of 2044	1048	sysmon.exe	27

C:\Users\Admin\AppData\Local\Temp\5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
"C:\Users\Admin\AppData\Local\Temp\5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
  C:\Users\Admin\AppData\Local\Temp\5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338.exe
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\ProgramData\539545\sysmon.exe
    "C:\ProgramData\539545\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - C:\ProgramData\539545\sysmon.exe
      C:\ProgramData\539545\sysmon.exe
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Loads dropped DLL
      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:1048

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\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
C:\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
C:\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

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

Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
\ProgramData\539545\sysmon.exe

Filesize
1.4MB

MD5
0f546e7eb4be1a79cd2e15f67cbe42b7

SHA1
bd706034409b6e6556920727c97e07eef28035f6

SHA256
5176d63c9ea432c992ba2cf7b50aa915d7c672af42bd237308654d2ce5c5a338

SHA512
8f2ce5cf7285227590736e6ba2352b80c1bfcd49ba3f5c54e405c7a835c6ff5f75d2e57f4f6f31f87fb986227180d72a523aff62680815b1a2dcbb278e578f3d

Download Submit
memory/1048-88-0x00000000004390CE-mapping.dmp

Download
memory/1048-98-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-111-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1292-81-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1292-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1292-67-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1664-70-0x0000000000000000-mapping.dmp

Download
memory/1664-109-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1664-82-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1664-78-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2044-58-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-100-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2044-61-0x00000000004390CE-mapping.dmp

Download
memory/2044-60-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-65-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-99-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2044-63-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-102-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2044-105-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2044-108-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2044-68-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2044-110-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2044-55-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-112-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download