luminosity | 978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

Analysis

max time kernel
146s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-10-2022 13:01

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General

Target

978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe
Size

334KB
MD5

64e30d1221acec586a7891837aa32ba0
SHA1

9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab
SHA256

978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526
SHA512

3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4
SSDEEP

6144:Dq9tNBg54SOPiH3LTOwIDi4bNu7H4fXAKucXLAey/xHVanM4oVUzp8al0LxfP59F:V5l3+wI3hvd7LA5/+MrUt8aQfP0e

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\\976615\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1464	sysmon.exe
1532	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe
2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.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\\976615\\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 1280 set thread context of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1464 set thread context of 1532	1464	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 7 IoCs

pid	Process
1532	sysmon.exe
1532	sysmon.exe
1532	sysmon.exe
1532	sysmon.exe
1532	sysmon.exe
2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe
1532	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1532	sysmon.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 1280 wrote to memory of 2044	1280	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	27
PID 2044 wrote to memory of 1464	2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	29
PID 2044 wrote to memory of 1464	2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	29
PID 2044 wrote to memory of 1464	2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	29
PID 2044 wrote to memory of 1464	2044	978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe	29
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1464 wrote to memory of 1532	1464	sysmon.exe	30
PID 1532 wrote to memory of 2044	1532	sysmon.exe	27
PID 1532 wrote to memory of 2044	1532	sysmon.exe	27
PID 1532 wrote to memory of 2044	1532	sysmon.exe	27
PID 1532 wrote to memory of 2044	1532	sysmon.exe	27
PID 1532 wrote to memory of 2044	1532	sysmon.exe	27

C:\Users\Admin\AppData\Local\Temp\978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe
"C:\Users\Admin\AppData\Local\Temp\978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe
  "C:\Users\Admin\AppData\Local\Temp\978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\ProgramData\976615\sysmon.exe
    "C:\ProgramData\976615\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - C:\ProgramData\976615\sysmon.exe
      "C:\ProgramData\976615\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
      Suspicious use of WriteProcessMemory
      PID:1532

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\976615\sysmon.exe

Filesize
334KB

MD5
64e30d1221acec586a7891837aa32ba0

SHA1
9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab

SHA256
978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

SHA512
3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4

Download Submit
C:\ProgramData\976615\sysmon.exe

Filesize
334KB

MD5
64e30d1221acec586a7891837aa32ba0

SHA1
9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab

SHA256
978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

SHA512
3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4

Download Submit
C:\ProgramData\976615\sysmon.exe

Filesize
334KB

MD5
64e30d1221acec586a7891837aa32ba0

SHA1
9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab

SHA256
978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

SHA512
3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4

Download Submit
\ProgramData\976615\sysmon.exe

Filesize
334KB

MD5
64e30d1221acec586a7891837aa32ba0

SHA1
9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab

SHA256
978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

SHA512
3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4

Download Submit
\ProgramData\976615\sysmon.exe

Filesize
334KB

MD5
64e30d1221acec586a7891837aa32ba0

SHA1
9c8d57a46c2e916ab2a9661bb8d2f8de5c8575ab

SHA256
978348543f663b01ca6653042fbfdddf72d26f6c418c8e2c9a6a20857accd526

SHA512
3e35da1a1eae02d1a02d5ebb48403778e7e3049f735a6ffcb62318b4b99f4303f83cb9ab36bb3dcec82266b7477d1af32f7a092b033133eefb6adacd979437c4

Download Submit
memory/1280-55-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-67-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1280-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1464-79-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/1464-92-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/1532-97-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/1532-109-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-98-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/2044-68-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-70-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

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

Filesize
248KB

Download
memory/2044-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2044-72-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-104-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/2044-107-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/2044-101-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/2044-99-0x00000000009F0000-0x0000000000A07000-memory.dmp

Filesize
92KB

Download
memory/2044-108-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

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

Filesize
248KB

Download
memory/2044-110-0x0000000074490000-0x0000000074A3B000-memory.dmp

Filesize
5.7MB

Download