sality | 87730cbcf5174f743a57353f7fe535bdf296ddc7c3c476c50a7b63e5a673e021

Windows Service

T1543.003

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	virussign.com_054fce32237cf2967355c89f06208060.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe

UPX packed file 33 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2936-10-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-3-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-23-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-7-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-9-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-8-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-6-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-5-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-11-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-4-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-33-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-32-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-34-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-35-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-36-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-38-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-39-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-40-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-42-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-45-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-59-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-61-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-62-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-63-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-67-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-66-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-71-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-68-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-73-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-80-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-82-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-81-0x0000000000590000-0x000000000164A000-memory.dmp	upx
behavioral1/memory/2936-107-0x0000000000590000-0x000000000164A000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	virussign.com_054fce32237cf2967355c89f06208060.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	virussign.com_054fce32237cf2967355c89f06208060.exe

Enumerates connected drives 3 TTPs 14 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
File opened (read-only)	\??\P:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\S:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\E:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\J:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\L:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\N:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\Q:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\H:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\I:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\M:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\O:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\G:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\K:	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened (read-only)	\??\R:	virussign.com_054fce32237cf2967355c89f06208060.exe

Drops file in Windows directory 2 IoCs

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
File created	C:\Windows\f7684ba	virussign.com_054fce32237cf2967355c89f06208060.exe
File opened for modification	C:\Windows\SYSTEM.INI	virussign.com_054fce32237cf2967355c89f06208060.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

pid process

2936 virussign.com_054fce32237cf2967355c89f06208060.exe
2936 virussign.com_054fce32237cf2967355c89f06208060.exe

pid	process
2936	virussign.com_054fce32237cf2967355c89f06208060.exe
2936	virussign.com_054fce32237cf2967355c89f06208060.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	pid	process
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe
Token: SeDebugPrivilege	2936	virussign.com_054fce32237cf2967355c89f06208060.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	pid	process	target process
PID 2936 wrote to memory of 1124	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	taskhost.exe
PID 2936 wrote to memory of 1228	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	Dwm.exe
PID 2936 wrote to memory of 1284	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	Explorer.EXE
PID 2936 wrote to memory of 1096	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	DllHost.exe
PID 2936 wrote to memory of 1124	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	taskhost.exe
PID 2936 wrote to memory of 1228	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	Dwm.exe
PID 2936 wrote to memory of 1284	2936	virussign.com_054fce32237cf2967355c89f06208060.exe	Explorer.EXE

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

Processes:

virussign.com_054fce32237cf2967355c89f06208060.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	virussign.com_054fce32237cf2967355c89f06208060.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Users\Admin\AppData\Local\Temp\virussign.com_054fce32237cf2967355c89f06208060.exe
  "C:\Users\Admin\AppData\Local\Temp\virussign.com_054fce32237cf2967355c89f06208060.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Checks whether UAC is enabled
  - Enumerates connected drives
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2936

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1096

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry