f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9

Reason

Machine shutdown

General

Target

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
Size

4.9MB
MD5

db8a38379ad5247898089092cde44b15
SHA1

69cc18b0fffa49bbf447fc4efd7a0103493a7147
SHA256

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9
SHA512

b4499968c60413b022421393ed499d762d4b08d62cc8062a7ab9664d81f7357b22cf9557f69a423b68868a9556337695d7c9c760cea4e9deaaa8a08dad0432b7
SSDEEP

98304:LtrbTA1fxCJ3JpUn1mWturpGwGsq1ixQHP542VjFL05FmO:Rc1W5an1yrUKq1s65TVjt0mO

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

reg.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftWindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\PoseidonC\\WinUpdate.exe"	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

description	pid	process	target process
PID 1080 set thread context of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "182"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

5004 reg.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

description pid process

Token: SeShutdownPrivilege 2052 f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

pid	process
5004	reg.exe

description	pid	process
Token: SeShutdownPrivilege	2052	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

pid	process
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of SendNotifyMessage 10 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

pid	process
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

3848 LogonUI.exe

pid	process
3848	LogonUI.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exef59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.execmd.exe

description	pid	process	target process
PID 1080 wrote to memory of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 1080 wrote to memory of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 1080 wrote to memory of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 1080 wrote to memory of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 1080 wrote to memory of 2052	1080	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 2052 wrote to memory of 2372	2052	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 2052 wrote to memory of 2372	2052	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 2052 wrote to memory of 2372	2052	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 2372 wrote to memory of 5004	2372	cmd.exe	reg.exe
PID 2372 wrote to memory of 5004	2372	cmd.exe	reg.exe
PID 2372 wrote to memory of 5004	2372	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
"C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1080

C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
"C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe"
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\SysWOW64\cmd.exe
cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- Suspicious use of WriteProcessMemory
PID:2372

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
4⤵
- UAC bypass
- Modifies registry key
PID:5004

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39f7055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2052-132-0x0000000000000000-mapping.dmp

Download
memory/2052-133-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2052-134-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2052-135-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2052-136-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2052-139-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2052-140-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/2372-137-0x0000000000000000-mapping.dmp

Download
memory/5004-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads