luminosity | bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

Analysis

max time kernel
175s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 03:39

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General

Target

bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
Size

528KB
MD5

dbd91f5a4c16872c1461fe82a57adfc8
SHA1

f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8
SHA256

bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1
SHA512

e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9
SSDEEP

12288:yfeMYUCNGwaZaQUIDhiLbwO9iObtu3nIMSL:yvYPNGwaZaQUtwQbIdS

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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\377294\\helper.exe\""	helper.exe

Executes dropped EXE 4 IoCs

pid	Process
4524	helper.exe
724	helper.exe
3800	helper.exe
4480	helper.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Computer Helper = "\"C:\\ProgramData\\377294\\helper.exe\""	helper.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 1956 set thread context of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 4524 set thread context of 4480	4524	helper.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
4524	helper.exe
4524	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe
4480	helper.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2800	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
Token: SeDebugPrivilege	4524	helper.exe
Token: SeDebugPrivilege	4480	helper.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4480	helper.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2900	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	83
PID 1956 wrote to memory of 2900	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	83
PID 1956 wrote to memory of 2900	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	83
PID 1956 wrote to memory of 1080	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	84
PID 1956 wrote to memory of 1080	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	84
PID 1956 wrote to memory of 1080	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	84
PID 1956 wrote to memory of 1592	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	86
PID 1956 wrote to memory of 1592	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	86
PID 1956 wrote to memory of 1592	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	86
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 1956 wrote to memory of 2800	1956	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	87
PID 2900 wrote to memory of 4940	2900	cmd.exe	88
PID 2900 wrote to memory of 4940	2900	cmd.exe	88
PID 2900 wrote to memory of 4940	2900	cmd.exe	88
PID 4940 wrote to memory of 4612	4940	net.exe	89
PID 4940 wrote to memory of 4612	4940	net.exe	89
PID 4940 wrote to memory of 4612	4940	net.exe	89
PID 2800 wrote to memory of 4524	2800	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	91
PID 2800 wrote to memory of 4524	2800	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	91
PID 2800 wrote to memory of 4524	2800	bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe	91
PID 4524 wrote to memory of 3512	4524	helper.exe	92
PID 4524 wrote to memory of 3512	4524	helper.exe	92
PID 4524 wrote to memory of 3512	4524	helper.exe	92
PID 4524 wrote to memory of 724	4524	helper.exe	94
PID 4524 wrote to memory of 724	4524	helper.exe	94
PID 4524 wrote to memory of 724	4524	helper.exe	94
PID 4524 wrote to memory of 3800	4524	helper.exe	95
PID 4524 wrote to memory of 3800	4524	helper.exe	95
PID 4524 wrote to memory of 3800	4524	helper.exe	95
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 4524 wrote to memory of 4480	4524	helper.exe	96
PID 3512 wrote to memory of 3000	3512	cmd.exe	97
PID 3512 wrote to memory of 3000	3512	cmd.exe	97
PID 3512 wrote to memory of 3000	3512	cmd.exe	97
PID 3000 wrote to memory of 2820	3000	net.exe	98
PID 3000 wrote to memory of 2820	3000	net.exe	98
PID 3000 wrote to memory of 2820	3000	net.exe	98

C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
"C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  /c net stop MpsSvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\net.exe
    net stop MpsSvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop MpsSvc
      4⤵
      PID:4612
- C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  2⤵
  PID:1080
- C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  2⤵
  PID:1592
- C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  C:\Users\Admin\AppData\Local\Temp\bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1.exe
  2⤵
  - Checks computer location settings
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\ProgramData\377294\helper.exe
    "C:\ProgramData\377294\helper.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4524
  - - C:\Windows\SysWOW64\cmd.exe
      /c net stop MpsSvc
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3512
    - - C:\Windows\SysWOW64\net.exe
        
        net stop MpsSvc
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3000
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop MpsSvc
        6⤵
        
        PID:2820
  - - C:\ProgramData\377294\helper.exe
      C:\ProgramData\377294\helper.exe
      4⤵
      Executes dropped EXE
      PID:724
  - - C:\ProgramData\377294\helper.exe
      C:\ProgramData\377294\helper.exe
      4⤵
      Executes dropped EXE
      PID:3800
  - - C:\ProgramData\377294\helper.exe
      C:\ProgramData\377294\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:4480

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\377294\helper.exe

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
C:\ProgramData\377294\helper.exe

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
C:\ProgramData\377294\helper.exe

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
C:\ProgramData\377294\helper.exe

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
C:\ProgramData\377294\helper.exe

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupx\system.pif

Filesize
528KB

MD5
dbd91f5a4c16872c1461fe82a57adfc8

SHA1
f1324a6f57d2c52f35c3ed877ad5d2d86ed3c0f8

SHA256
bfe07c849b72c7065d6f179eb1fad54967090ab33ad5b9addda088d532b1ade1

SHA512
e6fdd09a4704a3ab2ed579f35306e56c4d6218c1ae85532c9c73bf763660854b34b8a2074648e6dd1daa966960389d3f762a0018cacc13f7ea1f3f01718a80f9

Download Submit
memory/1956-140-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/1956-134-0x0000000006670000-0x000000000686A000-memory.dmp

Filesize
2.0MB

Download
memory/1956-133-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2800-164-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2800-161-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2800-143-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2800-139-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/4480-162-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4480-163-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4524-148-0x0000000006570000-0x000000000676A000-memory.dmp

Filesize
2.0MB

Download
memory/4524-158-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4524-147-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download