luminosity | c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

General

Target

c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe
Size

420KB
MD5

082511600ec66244ec7ffe1a57c6f6ea
SHA1

f7a942011e8969fde4e196f496b497a5694e747f
SHA256

c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6
SHA512

3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0
SSDEEP

12288:NWmWT0MI9WCedrA70Hd6lHnBhqITb3bDTt0BiOLzu3WT:MmWTE9WCSrGdtBtTbOBQ3

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\\200987\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1492	sysmon.exe
1984	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe
1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.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\\200987\\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 1768 set thread context of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1492 set thread context of 1984	1492	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 3 IoCs

pid	Process
1984	sysmon.exe
1984	sysmon.exe
1984	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1984	sysmon.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1768 wrote to memory of 1584	1768	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	28
PID 1584 wrote to memory of 1492	1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	29
PID 1584 wrote to memory of 1492	1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	29
PID 1584 wrote to memory of 1492	1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	29
PID 1584 wrote to memory of 1492	1584	c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe	29
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30
PID 1492 wrote to memory of 1984	1492	sysmon.exe	30

C:\Users\Admin\AppData\Local\Temp\c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe
"C:\Users\Admin\AppData\Local\Temp\c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe
  "C:\Users\Admin\AppData\Local\Temp\c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\ProgramData\200987\sysmon.exe
    "C:\ProgramData\200987\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1492
  - - C:\ProgramData\200987\sysmon.exe
      "C:\ProgramData\200987\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
      PID:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\200987\sysmon.exe

Filesize
420KB

MD5
082511600ec66244ec7ffe1a57c6f6ea

SHA1
f7a942011e8969fde4e196f496b497a5694e747f

SHA256
c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

SHA512
3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0

Download Submit
C:\ProgramData\200987\sysmon.exe

Filesize
420KB

MD5
082511600ec66244ec7ffe1a57c6f6ea

SHA1
f7a942011e8969fde4e196f496b497a5694e747f

SHA256
c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

SHA512
3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0

Download Submit
C:\ProgramData\200987\sysmon.exe

Filesize
420KB

MD5
082511600ec66244ec7ffe1a57c6f6ea

SHA1
f7a942011e8969fde4e196f496b497a5694e747f

SHA256
c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

SHA512
3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0

Download Submit
\ProgramData\200987\sysmon.exe

Filesize
420KB

MD5
082511600ec66244ec7ffe1a57c6f6ea

SHA1
f7a942011e8969fde4e196f496b497a5694e747f

SHA256
c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

SHA512
3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0

Download Submit
\ProgramData\200987\sysmon.exe

Filesize
420KB

MD5
082511600ec66244ec7ffe1a57c6f6ea

SHA1
f7a942011e8969fde4e196f496b497a5694e747f

SHA256
c4c2fe92cb601c0cc6ac87b5541d7c1a462801942475351c4dfda26296faefa6

SHA512
3d8dbb120d10243af503f0d24ea225b281919046db21ac0f6cd980480d8e4e41ac5a53a1904011ac9161893c1cf550cdbf1cd7b9dca2c7e605475da84e839ea0

Download Submit
memory/1492-84-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1584-58-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1584-68-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1584-65-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1584-63-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1584-92-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1584-60-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1584-90-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1584-55-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1584-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1768-67-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1984-89-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download
memory/1984-91-0x0000000074DB0000-0x000000007535B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads