luminosity | 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6

Analysis

max time kernel
151s
max time network
158s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 02:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
Size 274KB
Sample221127-cgmkasfe4x
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\196904\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1340	sysmon.exe
1464	sysmon.exe

Loads dropped DLL 2 IoCs

pid	Process
1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\196904\\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 2012 set thread context of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 1340 set thread context of 1464	1340	sysmon.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 11 IoCs

pid	Process
2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
1464	sysmon.exe
2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
Token: SeDebugPrivilege	1340	sysmon.exe
Token: SeDebugPrivilege	1464	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1464	sysmon.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1644	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	27
PID 2012 wrote to memory of 1644	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	27
PID 2012 wrote to memory of 1644	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	27
PID 2012 wrote to memory of 1644	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	27
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 2012 wrote to memory of 1056	2012	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	28
PID 1056 wrote to memory of 1340	1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	30
PID 1056 wrote to memory of 1340	1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	30
PID 1056 wrote to memory of 1340	1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	30
PID 1056 wrote to memory of 1340	1056	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	30
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1340 wrote to memory of 1464	1340	sysmon.exe	31
PID 1464 wrote to memory of 1056	1464	sysmon.exe	28
PID 1464 wrote to memory of 1056	1464	sysmon.exe	28
PID 1464 wrote to memory of 1056	1464	sysmon.exe	28
PID 1464 wrote to memory of 1056	1464	sysmon.exe	28
PID 1464 wrote to memory of 2012	1464	sysmon.exe	26
PID 1464 wrote to memory of 2012	1464	sysmon.exe	26
PID 1464 wrote to memory of 2012	1464	sysmon.exe	26
PID 1464 wrote to memory of 2012	1464	sysmon.exe	26
PID 1464 wrote to memory of 2012	1464	sysmon.exe	26

C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
"C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
  "C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe"
  2⤵
  PID:1644
- C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
  "C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\ProgramData\196904\sysmon.exe
    "C:\ProgramData\196904\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1340
  - - C:\ProgramData\196904\sysmon.exe
      "C:\ProgramData\196904\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:1464

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\196904\sysmon.exe
Size 274KB
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path C:\ProgramData\196904\sysmon.exe
Size 274KB
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path C:\ProgramData\196904\sysmon.exe
Size 274KB
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path \ProgramData\196904\sysmon.exe
Size 274KB
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
MD5 SHA1 SHA512 SSDEEP

Submit Download

sysmon.exe

Path \ProgramData\196904\sysmon.exe
Size 274KB
SHA256 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
MD5 bce901dc55c8d9b3983d0d38190ae26e
SHA1 af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA512 4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP 6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1056-96-0x00000000020E0000-0x00000000020F7000-memory.dmp

Download

memory/1056-102-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1056-65-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-67-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-69-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1056-70-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1056-58-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-60-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-57-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-99-0x00000000020E0000-0x00000000020F7000-memory.dmp

Download

memory/1056-62-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/1056-94-0x00000000020E0000-0x00000000020F7000-memory.dmp

Download

memory/1056-93-0x00000000020E0000-0x00000000020F7000-memory.dmp

Download

memory/1340-78-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1340-77-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1464-92-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/1464-104-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/2012-55-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/2012-56-0x0000000074120000-0x00000000746CB000-memory.dmp

Download

memory/2012-54-0x0000000075D61000-0x0000000075D63000-memory.dmp

Download

memory/2012-108-0x0000000000330000-0x0000000000347000-memory.dmp

Download

memory/2012-111-0x0000000000330000-0x0000000000347000-memory.dmp

Download

memory/2012-114-0x0000000000330000-0x0000000000347000-memory.dmp

Download