luminosity | 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6

General

Target

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
Size

274KB
MD5

bce901dc55c8d9b3983d0d38190ae26e
SHA1

af1fae2a0f2b992f1b04ae168ea8a8fa45657c78
SHA256

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6
SHA512

4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d
SSDEEP

6144:JBlZlxqoETDgmpDJ5GmXQ1v3cATekhjuy1n:JBl9qoETDgyPDQ1v3cKT

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

Processes:

sysmon.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\318878\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

Processes:

sysmon.exesysmon.exe

pid process

3416 sysmon.exe
3308 sysmon.exe

pid	process
3416	sysmon.exe
3308	sysmon.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sysmon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\318878\\sysmon.exe\""	sysmon.exe

Drops file in System32 directory 2 IoCs

Processes:

sysmon.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\clientsvr.exe sysmon.exe
File created C:\Windows\SysWOW64\clientsvr.exe sysmon.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\clientsvr.exe	sysmon.exe
File created	C:\Windows\SysWOW64\clientsvr.exe	sysmon.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exesysmon.exe

description	pid	process	target process
PID 796 set thread context of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3416 set thread context of 3308	3416	sysmon.exe	sysmon.exe

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 64 IoCs

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exesysmon.exesysmon.exe

pid	process
796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3416	sysmon.exe
3416	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe
3308	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

pid process

3252 72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

pid	process
3252	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exesysmon.exesysmon.exe

description	pid	process
Token: SeDebugPrivilege	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
Token: SeDebugPrivilege	3416	sysmon.exe
Token: SeDebugPrivilege	3308	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

sysmon.exe

pid process

3308 sysmon.exe

pid	process
3308	sysmon.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exesysmon.exesysmon.exe

description	pid	process	target process
PID 796 wrote to memory of 5028	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 5028	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 5028	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 796 wrote to memory of 3252	796	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3252 wrote to memory of 3416	3252	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	sysmon.exe
PID 3252 wrote to memory of 3416	3252	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	sysmon.exe
PID 3252 wrote to memory of 3416	3252	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3416 wrote to memory of 3308	3416	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 3416	3308	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 3416	3308	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 3416	3308	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 3416	3308	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 3416	3308	sysmon.exe	sysmon.exe
PID 3308 wrote to memory of 796	3308	sysmon.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3308 wrote to memory of 796	3308	sysmon.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3308 wrote to memory of 796	3308	sysmon.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3308 wrote to memory of 796	3308	sysmon.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
PID 3308 wrote to memory of 796	3308	sysmon.exe	72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe

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:796
- C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
  "C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe"
  2⤵
  PID:5028
- C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe
  "C:\Users\Admin\AppData\Local\Temp\72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\ProgramData\318878\sysmon.exe
    "C:\ProgramData\318878\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3416
  - - C:\ProgramData\318878\sysmon.exe
      "C:\ProgramData\318878\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:3308

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\318878\sysmon.exe

Filesize
274KB

MD5
bce901dc55c8d9b3983d0d38190ae26e

SHA1
af1fae2a0f2b992f1b04ae168ea8a8fa45657c78

SHA256
72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6

SHA512
4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d

Download Submit
C:\ProgramData\318878\sysmon.exe

Filesize
274KB

MD5
bce901dc55c8d9b3983d0d38190ae26e

SHA1
af1fae2a0f2b992f1b04ae168ea8a8fa45657c78

SHA256
72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6

SHA512
4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d

Download Submit
C:\ProgramData\318878\sysmon.exe

Filesize
274KB

MD5
bce901dc55c8d9b3983d0d38190ae26e

SHA1
af1fae2a0f2b992f1b04ae168ea8a8fa45657c78

SHA256
72ddbf3882726aa33b02c2917d0ce987896801b7a70a6e220978b69fead7e7f6

SHA512
4928a93d885a173a52d67164972ebdcd5c5c1672ccbb65ab9376bda7066f2340c0e927fbfc864cc337cfce856d5d9576eda7da5be42eed11afcfd4d2ee37571d

Download Submit
memory/796-133-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/796-155-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/796-154-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/796-153-0x0000000000FC0000-0x0000000000FD7000-memory.dmp

Filesize
92KB

Download
memory/796-132-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3252-142-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3252-137-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3252-135-0x0000000000000000-mapping.dmp

Download
memory/3252-136-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3252-150-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3308-148-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3308-147-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3308-144-0x0000000000000000-mapping.dmp

Download
memory/3416-141-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3416-151-0x00000000054D0000-0x00000000054E7000-memory.dmp

Filesize
92KB

Download
memory/3416-152-0x00000000054D0000-0x00000000054E7000-memory.dmp

Filesize
92KB

Download
memory/3416-149-0x00000000054D0000-0x00000000054E7000-memory.dmp

Filesize
92KB

Download
memory/3416-143-0x0000000074A00000-0x0000000074FB1000-memory.dmp

Filesize
5.7MB

Download
memory/3416-138-0x0000000000000000-mapping.dmp

Download
memory/5028-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads