luminosity | 189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

General

Target

189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe
Size

402KB
MD5

da12d3c00497b8527b7943e3579e52d9
SHA1

9f7489fc7b6171eadc37cf813bd81c6482e101f0
SHA256

189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec
SHA512

7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e
SSDEEP

6144:8C0O/wK2CBCy0PlwYsmF/rM2SckT/06DCd:OjKeyPQF/rMJT/0

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\""	helper.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\\445779\\helper.exe\""	helper.exe

Executes dropped EXE 3 IoCs

pid	Process
1060	helper.exe
1292	helper.exe
1204	helper.exe

Loads dropped DLL 2 IoCs

pid	Process
980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe
980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.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\Computer Helper = "\"C:\\ProgramData\\445779\\helper.exe\""	helper.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1060 set thread context of 1204	1060	helper.exe	31

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 4 IoCs

pid	Process
1060	helper.exe
1060	helper.exe
1204	helper.exe
1204	helper.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe
Token: SeDebugPrivilege	1060	helper.exe
Token: SeDebugPrivilege	1204	helper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1204	helper.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 1048 wrote to memory of 980	1048	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	28
PID 980 wrote to memory of 1060	980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	29
PID 980 wrote to memory of 1060	980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	29
PID 980 wrote to memory of 1060	980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	29
PID 980 wrote to memory of 1060	980	189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe	29
PID 1060 wrote to memory of 1292	1060	helper.exe	30
PID 1060 wrote to memory of 1292	1060	helper.exe	30
PID 1060 wrote to memory of 1292	1060	helper.exe	30
PID 1060 wrote to memory of 1292	1060	helper.exe	30
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31
PID 1060 wrote to memory of 1204	1060	helper.exe	31

C:\Users\Admin\AppData\Local\Temp\189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe
"C:\Users\Admin\AppData\Local\Temp\189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe
  "C:\Users\Admin\AppData\Local\Temp\189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\ProgramData\445779\helper.exe
    "C:\ProgramData\445779\helper.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1060
  - - C:\ProgramData\445779\helper.exe
      "C:\ProgramData\445779\helper.exe"
      4⤵
      Executes dropped EXE
      PID:1292
  - - C:\ProgramData\445779\helper.exe
      "C:\ProgramData\445779\helper.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:1204

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

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Downloads

C:\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
C:\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
C:\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
C:\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
\ProgramData\445779\helper.exe

Filesize
402KB

MD5
da12d3c00497b8527b7943e3579e52d9

SHA1
9f7489fc7b6171eadc37cf813bd81c6482e101f0

SHA256
189c62dc575e463968cae907673b30170b261ab707c804d244c8b79e1f4be8ec

SHA512
7648a29785771f1c5551968e6f09c0b636ec60022efdafd5689c37791cf28ad801b9f0f064f2973c93b5be4b8d2cabbd8d2691e939d225f2456fb3861b8e071e

Download Submit
memory/980-60-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/980-65-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/980-92-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/980-68-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/980-63-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/980-94-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/980-58-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/980-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/980-55-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1048-67-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1060-87-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1204-90-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1204-91-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/1204-93-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads