sality | 39c84a6897b7f87d3ab0aa58539a126ddc1e325ba2260bb801f0152feca109ed

Windows Service

T1543.003

Processes:

f762be1.exef761036.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	f762be1.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

f761036.exef762be1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762be1.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761036.exef762be1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762be1.exe

Executes dropped EXE 3 IoCs

Processes:

f761036.exef7611eb.exef762be1.exe

pid process

3036 f761036.exe
2508 f7611eb.exe
1816 f762be1.exe
Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

2056 rundll32.exe
2056 rundll32.exe
2056 rundll32.exe
2056 rundll32.exe
2056 rundll32.exe
2056 rundll32.exe

pid	process
3036	f761036.exe
2508	f7611eb.exe
1816	f762be1.exe

pid	process
2056	rundll32.exe
2056	rundll32.exe
2056	rundll32.exe
2056	rundll32.exe
2056	rundll32.exe
2056	rundll32.exe

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3036-17-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-21-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-14-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-15-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-16-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-20-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-19-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-23-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-22-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-18-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-64-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-65-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-66-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-67-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-68-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-82-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-83-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-101-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-102-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-105-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-107-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/3036-143-0x0000000000520000-0x00000000015DA000-memory.dmp	upx
behavioral1/memory/1816-155-0x0000000000970000-0x0000000001A2A000-memory.dmp	upx
behavioral1/memory/1816-197-0x0000000000970000-0x0000000001A2A000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

f761036.exef762be1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f762be1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	f761036.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	f762be1.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

f761036.exef762be1.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761036.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762be1.exe

Enumerates connected drives 3 TTPs 13 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:

f761036.exef762be1.exe

description	ioc	process
File opened (read-only)	\??\J:	f761036.exe
File opened (read-only)	\??\K:	f761036.exe
File opened (read-only)	\??\L:	f761036.exe
File opened (read-only)	\??\M:	f761036.exe
File opened (read-only)	\??\O:	f761036.exe
File opened (read-only)	\??\H:	f761036.exe
File opened (read-only)	\??\N:	f761036.exe
File opened (read-only)	\??\G:	f762be1.exe
File opened (read-only)	\??\E:	f761036.exe
File opened (read-only)	\??\G:	f761036.exe
File opened (read-only)	\??\I:	f761036.exe
File opened (read-only)	\??\E:	f762be1.exe
File opened (read-only)	\??\P:	f761036.exe

Drops file in Windows directory 3 IoCs

Processes:

f761036.exef762be1.exe

description	ioc	process
File created	C:\Windows\f7610a4	f761036.exe
File opened for modification	C:\Windows\SYSTEM.INI	f761036.exe
File created	C:\Windows\f7660c6	f762be1.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

f761036.exef762be1.exe

pid process

3036 f761036.exe
3036 f761036.exe
1816 f762be1.exe

pid	process
3036	f761036.exe
3036	f761036.exe
1816	f762be1.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

f761036.exef762be1.exe

description	pid	process
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	3036	f761036.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe
Token: SeDebugPrivilege	1816	f762be1.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

rundll32.exerundll32.exef761036.exef762be1.exe

description	pid	process	target process
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2424 wrote to memory of 2056	2424	rundll32.exe	rundll32.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	f761036.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	f761036.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	f761036.exe
PID 2056 wrote to memory of 3036	2056	rundll32.exe	f761036.exe
PID 3036 wrote to memory of 1080	3036	f761036.exe	taskhost.exe
PID 3036 wrote to memory of 1156	3036	f761036.exe	Dwm.exe
PID 3036 wrote to memory of 1188	3036	f761036.exe	Explorer.EXE
PID 3036 wrote to memory of 1828	3036	f761036.exe	DllHost.exe
PID 3036 wrote to memory of 2424	3036	f761036.exe	rundll32.exe
PID 3036 wrote to memory of 2056	3036	f761036.exe	rundll32.exe
PID 3036 wrote to memory of 2056	3036	f761036.exe	rundll32.exe
PID 2056 wrote to memory of 2508	2056	rundll32.exe	f7611eb.exe
PID 2056 wrote to memory of 2508	2056	rundll32.exe	f7611eb.exe
PID 2056 wrote to memory of 2508	2056	rundll32.exe	f7611eb.exe
PID 2056 wrote to memory of 2508	2056	rundll32.exe	f7611eb.exe
PID 2056 wrote to memory of 1816	2056	rundll32.exe	f762be1.exe
PID 2056 wrote to memory of 1816	2056	rundll32.exe	f762be1.exe
PID 2056 wrote to memory of 1816	2056	rundll32.exe	f762be1.exe
PID 2056 wrote to memory of 1816	2056	rundll32.exe	f762be1.exe
PID 3036 wrote to memory of 1080	3036	f761036.exe	taskhost.exe
PID 3036 wrote to memory of 1156	3036	f761036.exe	Dwm.exe
PID 3036 wrote to memory of 1188	3036	f761036.exe	Explorer.EXE
PID 3036 wrote to memory of 2508	3036	f761036.exe	f7611eb.exe
PID 3036 wrote to memory of 2508	3036	f761036.exe	f7611eb.exe
PID 3036 wrote to memory of 1816	3036	f761036.exe	f762be1.exe
PID 3036 wrote to memory of 1816	3036	f761036.exe	f762be1.exe
PID 1816 wrote to memory of 1080	1816	f762be1.exe	taskhost.exe
PID 1816 wrote to memory of 1156	1816	f762be1.exe	Dwm.exe
PID 1816 wrote to memory of 1188	1816	f762be1.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

f762be1.exef761036.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f762be1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	f761036.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dca4d38a685d77497813fcc67716f020_NeikiAnalytics.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dca4d38a685d77497813fcc67716f020_NeikiAnalytics.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056

C:\Users\Admin\AppData\Local\Temp\f761036.exe
C:\Users\Admin\AppData\Local\Temp\f761036.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- 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:3036

C:\Users\Admin\AppData\Local\Temp\f7611eb.exe
C:\Users\Admin\AppData\Local\Temp\f7611eb.exe
4⤵
- Executes dropped EXE
PID:2508

C:\Users\Admin\AppData\Local\Temp\f762be1.exe
C:\Users\Admin\AppData\Local\Temp\f762be1.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- 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:1816

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1828

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Modify Registry

5

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

3

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

T1012

Peripheral Device Discovery