luminosity | b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 02:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe
Size 1.2MB
Sample221127-cs2hlacf58
SHA256 b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad
MD5 467215da381b86f26f351ff8f9dd68eb
SHA1 e1ec23d03281b769b829746b80d632daa7cef167
SHA512 325597a499dcf8e92144bbb4ba22c817e316b58bf75e4b9abb7de240687f159842e5fe5b70bf514093f403f415fd871bcbe6c14a8ff39e7ef136715464322e07
SSDEEP 6144:FZpoq7VZyVG2nm5ITdgURnwe9TU651/XnGfQuYJmeoc3wuNd5t/Vypfdn19w4:zHyBmuTdVdH6YJpAuNdH/VyD1e4
MD5 SHA1 SHA512 SSDEEP

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\\522158\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1388	sysmon.exe
1096	sysmon.exe

Loads dropped DLL 1 IoCs

pid	Process
936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.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\\522158\\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 1604 set thread context of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1388 set thread context of 1096	1388	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
1096	sysmon.exe
1096	sysmon.exe
1096	sysmon.exe
1096	sysmon.exe
1096	sysmon.exe
936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe
1096	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1096	sysmon.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 1604 wrote to memory of 936	1604	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	27
PID 936 wrote to memory of 1388	936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	29
PID 936 wrote to memory of 1388	936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	29
PID 936 wrote to memory of 1388	936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	29
PID 936 wrote to memory of 1388	936	b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe	29
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1388 wrote to memory of 1096	1388	sysmon.exe	30
PID 1096 wrote to memory of 936	1096	sysmon.exe	27
PID 1096 wrote to memory of 936	1096	sysmon.exe	27
PID 1096 wrote to memory of 936	1096	sysmon.exe	27
PID 1096 wrote to memory of 936	1096	sysmon.exe	27
PID 1096 wrote to memory of 936	1096	sysmon.exe	27

C:\Users\Admin\AppData\Local\Temp\b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe
"C:\Users\Admin\AppData\Local\Temp\b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Users\Admin\AppData\Local\Temp\b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe
  "C:\Users\Admin\AppData\Local\Temp\b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:936
- - C:\ProgramData\522158\sysmon.exe
    "C:\ProgramData\522158\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1388
  - - C:\ProgramData\522158\sysmon.exe
      "C:\ProgramData\522158\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:1096

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

Loading Replay Monitor...

Downloads

sysmon.exe

Path C:\ProgramData\522158\sysmon.exe
Size 1.2MB
SHA256 b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad
MD5 467215da381b86f26f351ff8f9dd68eb
SHA1 e1ec23d03281b769b829746b80d632daa7cef167
SHA512 325597a499dcf8e92144bbb4ba22c817e316b58bf75e4b9abb7de240687f159842e5fe5b70bf514093f403f415fd871bcbe6c14a8ff39e7ef136715464322e07
SSDEEP 6144:FZpoq7VZyVG2nm5ITdgURnwe9TU651/XnGfQuYJmeoc3wuNd5t/Vypfdn19w4:zHyBmuTdVdH6YJpAuNdH/VyD1e4
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path C:\ProgramData\522158\sysmon.exe
Size 1.2MB
SHA256 b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad
MD5 467215da381b86f26f351ff8f9dd68eb
SHA1 e1ec23d03281b769b829746b80d632daa7cef167
SHA512 325597a499dcf8e92144bbb4ba22c817e316b58bf75e4b9abb7de240687f159842e5fe5b70bf514093f403f415fd871bcbe6c14a8ff39e7ef136715464322e07
SSDEEP 6144:FZpoq7VZyVG2nm5ITdgURnwe9TU651/XnGfQuYJmeoc3wuNd5t/Vypfdn19w4:zHyBmuTdVdH6YJpAuNdH/VyD1e4
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path C:\ProgramData\522158\sysmon.exe
Size 1.2MB
SHA256 b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad
MD5 467215da381b86f26f351ff8f9dd68eb
SHA1 e1ec23d03281b769b829746b80d632daa7cef167
SHA512 325597a499dcf8e92144bbb4ba22c817e316b58bf75e4b9abb7de240687f159842e5fe5b70bf514093f403f415fd871bcbe6c14a8ff39e7ef136715464322e07
SSDEEP 6144:FZpoq7VZyVG2nm5ITdgURnwe9TU651/XnGfQuYJmeoc3wuNd5t/Vypfdn19w4:zHyBmuTdVdH6YJpAuNdH/VyD1e4
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path \ProgramData\522158\sysmon.exe
Size 1.2MB
SHA256 b2e165f6a4bcc9a723f638c8fbf981b110a122fba4d14bcbcb889a38f6a1ebad
MD5 467215da381b86f26f351ff8f9dd68eb
SHA1 e1ec23d03281b769b829746b80d632daa7cef167
SHA512 325597a499dcf8e92144bbb4ba22c817e316b58bf75e4b9abb7de240687f159842e5fe5b70bf514093f403f415fd871bcbe6c14a8ff39e7ef136715464322e07
SSDEEP 6144:FZpoq7VZyVG2nm5ITdgURnwe9TU651/XnGfQuYJmeoc3wuNd5t/Vypfdn19w4:zHyBmuTdVdH6YJpAuNdH/VyD1e4
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/936-69-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-59-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-67-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-96-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/936-106-0x00000000045C0000-0x00000000045D7000-memory.dmp

Download

memory/936-72-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/936-63-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-103-0x00000000045C0000-0x00000000045D7000-memory.dmp

Download

memory/936-57-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-56-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/936-100-0x00000000045C0000-0x00000000045D7000-memory.dmp

Download

memory/936-108-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/936-98-0x00000000045C0000-0x00000000045D7000-memory.dmp

Download

memory/936-97-0x00000000045C0000-0x00000000045D7000-memory.dmp

Download

memory/1096-95-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/1096-107-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/1388-94-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/1604-54-0x0000000076461000-0x0000000076463000-memory.dmp

Download

memory/1604-71-0x0000000074440000-0x00000000749EB000-memory.dmp

Download

memory/1604-55-0x0000000074440000-0x00000000749EB000-memory.dmp

Download