luminosity | d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

Analysis

max time kernel
151s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 08:33

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General

Target

d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
Size

1.2MB
MD5

1ab34989b3e13257b840a534734501c7
SHA1

3d5364edfdef0fc57dd0830406b774e63eab6919
SHA256

d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd
SHA512

481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166
SSDEEP

12288:200kVCDhjlrQaGeZ/lSvF08nfQ1eRSvnX:200kVCDhjlrQaLZtSvJfu28n

Score

10^/10

luminosity evasion persistence rat trojan

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\\456335\\sysmon.exe\""	sysmon.exe

UAC bypass 3 TTPs 5 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	sysmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	regedit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	regedit.exe

Executes dropped EXE 2 IoCs

pid	Process
328	sysmon.exe
428	sysmon.exe

Loads dropped DLL 1 IoCs

pid	Process
1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.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\\456335\\sysmon.exe\""	sysmon.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	sysmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	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 940 set thread context of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 328 set thread context of 428	328	sysmon.exe	34

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

System Information Discovery
T1082

Runs regedit.exe 1 IoCs

pid	Process
1508	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
428	sysmon.exe
428	sysmon.exe
428	sysmon.exe
428	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
428	sysmon.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 1696	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	28
PID 940 wrote to memory of 992	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	29
PID 940 wrote to memory of 992	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	29
PID 940 wrote to memory of 992	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	29
PID 940 wrote to memory of 992	940	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	29
PID 992 wrote to memory of 1508	992	cmd.exe	31
PID 992 wrote to memory of 1508	992	cmd.exe	31
PID 992 wrote to memory of 1508	992	cmd.exe	31
PID 992 wrote to memory of 1508	992	cmd.exe	31
PID 1696 wrote to memory of 328	1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	33
PID 1696 wrote to memory of 328	1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	33
PID 1696 wrote to memory of 328	1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	33
PID 1696 wrote to memory of 328	1696	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe	33
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34
PID 328 wrote to memory of 428	328	sysmon.exe	34

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	sysmon.exe

C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
"C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:940
- C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe
  "C:\Users\Admin\AppData\Local\Temp\d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\ProgramData\456335\sysmon.exe
    "C:\ProgramData\456335\sysmon.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:328
  - - C:\ProgramData\456335\sysmon.exe
      "C:\ProgramData\456335\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
      PID:428
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\ac.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:992
- - C:\Windows\SysWOW64\regedit.exe
    regedit.exe /s "C:\Users\Admin\AppData\Local\Temp\ac.bat"
    3⤵
    - UAC bypass
    - Runs regedit.exe
    PID:1508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\456335\sysmon.exe

Filesize
1.2MB

MD5
1ab34989b3e13257b840a534734501c7

SHA1
3d5364edfdef0fc57dd0830406b774e63eab6919

SHA256
d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

SHA512
481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

Download Submit
C:\ProgramData\456335\sysmon.exe

Filesize
1.2MB

MD5
1ab34989b3e13257b840a534734501c7

SHA1
3d5364edfdef0fc57dd0830406b774e63eab6919

SHA256
d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

SHA512
481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

Download Submit
C:\ProgramData\456335\sysmon.exe

Filesize
1.2MB

MD5
1ab34989b3e13257b840a534734501c7

SHA1
3d5364edfdef0fc57dd0830406b774e63eab6919

SHA256
d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

SHA512
481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

Download Submit
C:\Users\Admin\AppData\Local\Temp\ac.bat

Filesize
256B

MD5
5901919c1b3ae845588953f254445dae

SHA1
3d24fd5c5a0f61c1b239c53600bcff11465a442f

SHA256
12286ee34a77b701f9d6fbcd507c956961bf51d91283a8e094df221eea396577

SHA512
e37602dae72a1ce8434d7cafd460637a88b372ab36ea5338dda9340b5637d9e2df44b9fea571d2fed1cd3ac28f4ddb8e1d6c16e563f8ec12c033df0f1522e0c7

Download Submit
\ProgramData\456335\sysmon.exe

Filesize
1.2MB

MD5
1ab34989b3e13257b840a534734501c7

SHA1
3d5364edfdef0fc57dd0830406b774e63eab6919

SHA256
d06fffcff08b714a8068f57f3b7627b40a392fe0df18dcd69aeaa438ead43cdd

SHA512
481a12839f4fd3cea53f59b8be1d522cb9df37b38512061ee06c877202978749f13875e8f095e14c46b2a13266f1a24c474794a2127bbbe41dea83f5c6b20166

Download Submit
memory/328-99-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/328-82-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/428-102-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/428-100-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/940-75-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/940-54-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

Download
memory/940-55-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-63-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-67-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-69-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-59-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-57-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1696-101-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-71-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1696-103-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download