sality | 4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7

Modify Existing Service

T1031

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

2012 takeown.exe
1984 icacls.exe

pid	process
2012	takeown.exe
1984	icacls.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1112-55-0x0000000001CB0000-0x0000000002D3E000-memory.dmp	upx
behavioral1/memory/1112-57-0x0000000001CB0000-0x0000000002D3E000-memory.dmp	upx
behavioral1/memory/1112-64-0x0000000001CB0000-0x0000000002D3E000-memory.dmp	upx

Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

2012 takeown.exe
1984 icacls.exe

pid	process
2012	takeown.exe
1984	icacls.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Drops file in Windows directory 1 IoCs

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI 4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.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 1 IoCs

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

pid process

1112 4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

pid	process
1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeDebugPrivilege	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
Token: SeTakeOwnershipPrivilege	2012	takeown.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.execmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 1144	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	taskhost.exe
PID 1112 wrote to memory of 1240	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	Dwm.exe
PID 1112 wrote to memory of 1272	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	Explorer.EXE
PID 1112 wrote to memory of 1996	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	cmd.exe
PID 1112 wrote to memory of 1996	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	cmd.exe
PID 1112 wrote to memory of 1996	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	cmd.exe
PID 1112 wrote to memory of 1996	1112	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe	cmd.exe
PID 1996 wrote to memory of 2012	1996	cmd.exe	takeown.exe
PID 1996 wrote to memory of 2012	1996	cmd.exe	takeown.exe
PID 1996 wrote to memory of 2012	1996	cmd.exe	takeown.exe
PID 1996 wrote to memory of 2012	1996	cmd.exe	takeown.exe
PID 1996 wrote to memory of 1984	1996	cmd.exe	icacls.exe
PID 1996 wrote to memory of 1984	1996	cmd.exe	icacls.exe
PID 1996 wrote to memory of 1984	1996	cmd.exe	icacls.exe
PID 1996 wrote to memory of 1984	1996	cmd.exe	icacls.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272

C:\Users\Admin\AppData\Local\Temp\4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe
"C:\Users\Admin\AppData\Local\Temp\4e42e59d7ba81ab8a880aa589c520dea8fcadaeb11569f2612e89e2e53c00ec7.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1112

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Roaming\Tencent\QQPinyin\RenameTTX\x_0.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\takeown.exe
takeown /F mingliu.ttc /A
4⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:2012

C:\Windows\SysWOW64\icacls.exe
icacls mingliu.ttc /grant Administrators:(F)
4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1984

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1240

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1144

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

3