luminosity | ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42

General

Target

ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
Size

362KB
MD5

6e3cf25df78c855156761cea3155462f
SHA1

0e5af76cda2f4a4ffa22486b3a73ca80b36980b8
SHA256

ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42
SHA512

85b4b69268a453659c7c28b2def0bc6c7e41bfb672425c6fd3dd9d23e92bbc744b1e388aa80d6a07ee4a315a8d2e300e0482a2a0b131f28605968db3abd66624
SSDEEP

6144:y8LU7dZMuhAwR95/m7RmqJSkGWpYE/bmoSoZhN2i/0Qc2k0L9CZq:RU7diuhP1/oRTS8jmoXBsjh6wZq

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\683827\\helper.exe\""	helper.exe

Executes dropped EXE 2 IoCs

pid	Process
684	helper.exe
556	helper.exe

Loads dropped DLL 1 IoCs

pid	Process
1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\u70abLaaceN3n2w4ad = "C:\\Users\\Admin\\AppData\\Roaming\\PBKimsnuPa5WIi3K\\kEDNKyGNjv22.exe"	helper.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Computer Helper = "\"C:\\ProgramData\\683827\\helper.exe\""	helper.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\u70abLaaceN3n2w4 = "C:\\Users\\Admin\\AppData\\Roaming\\PBKimsnuPa5WIi3K\\fFRiUgjin7eE.exe"	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.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 936 set thread context of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 684 set thread context of 556	684	helper.exe	32

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 11 IoCs

pid	Process
936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
684	helper.exe
684	helper.exe
556	helper.exe
556	helper.exe
556	helper.exe
556	helper.exe
556	helper.exe
556	helper.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
Token: SeDebugPrivilege	684	helper.exe
Token: SeDebugPrivilege	556	helper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
556	helper.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 1472	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	28
PID 936 wrote to memory of 1472	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	28
PID 936 wrote to memory of 1472	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	28
PID 936 wrote to memory of 1472	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	28
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 936 wrote to memory of 1108	936	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	29
PID 1108 wrote to memory of 684	1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	31
PID 1108 wrote to memory of 684	1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	31
PID 1108 wrote to memory of 684	1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	31
PID 1108 wrote to memory of 684	1108	ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe	31
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32
PID 684 wrote to memory of 556	684	helper.exe	32

C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
"C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
  "C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe"
  2⤵
  PID:1472
- C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe
  "C:\Users\Admin\AppData\Local\Temp\ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\ProgramData\683827\helper.exe
    "C:\ProgramData\683827\helper.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:684
  - - C:\ProgramData\683827\helper.exe
      "C:\ProgramData\683827\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:556

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\683827\helper.exe

Filesize
362KB

MD5
6e3cf25df78c855156761cea3155462f

SHA1
0e5af76cda2f4a4ffa22486b3a73ca80b36980b8

SHA256
ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42

SHA512
85b4b69268a453659c7c28b2def0bc6c7e41bfb672425c6fd3dd9d23e92bbc744b1e388aa80d6a07ee4a315a8d2e300e0482a2a0b131f28605968db3abd66624

Download Submit
C:\ProgramData\683827\helper.exe

Filesize
362KB

MD5
6e3cf25df78c855156761cea3155462f

SHA1
0e5af76cda2f4a4ffa22486b3a73ca80b36980b8

SHA256
ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42

SHA512
85b4b69268a453659c7c28b2def0bc6c7e41bfb672425c6fd3dd9d23e92bbc744b1e388aa80d6a07ee4a315a8d2e300e0482a2a0b131f28605968db3abd66624

Download Submit
C:\ProgramData\683827\helper.exe

Filesize
362KB

MD5
6e3cf25df78c855156761cea3155462f

SHA1
0e5af76cda2f4a4ffa22486b3a73ca80b36980b8

SHA256
ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42

SHA512
85b4b69268a453659c7c28b2def0bc6c7e41bfb672425c6fd3dd9d23e92bbc744b1e388aa80d6a07ee4a315a8d2e300e0482a2a0b131f28605968db3abd66624

Download Submit
\ProgramData\683827\helper.exe

Filesize
362KB

MD5
6e3cf25df78c855156761cea3155462f

SHA1
0e5af76cda2f4a4ffa22486b3a73ca80b36980b8

SHA256
ab0c7b8675aa676dde1de0c67ebbcac22fec306dc969541289e285b06ac22f42

SHA512
85b4b69268a453659c7c28b2def0bc6c7e41bfb672425c6fd3dd9d23e92bbc744b1e388aa80d6a07ee4a315a8d2e300e0482a2a0b131f28605968db3abd66624

Download Submit
memory/556-90-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/556-92-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/684-89-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/684-75-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/936-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/936-68-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/936-55-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/1108-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-69-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/1108-64-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-91-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/1108-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1108-93-0x0000000074C80000-0x000000007522B000-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