sality | 5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	Au_.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Au_.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
372	Au_.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1328-55-0x0000000002300000-0x000000000338E000-memory.dmp	upx
behavioral1/memory/1328-67-0x0000000002300000-0x000000000338E000-memory.dmp	upx
behavioral1/memory/372-77-0x00000000075F0000-0x000000000867E000-memory.dmp	upx
behavioral1/memory/372-80-0x00000000075F0000-0x000000000867E000-memory.dmp	upx
behavioral1/memory/372-82-0x00000000075F0000-0x000000000867E000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
372	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Au_.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Au_.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Au_.exe

Enumerates connected drives 3 TTPs 22 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

description	ioc	Process
File opened (read-only)	\??\M:	Au_.exe
File opened (read-only)	\??\O:	Au_.exe
File opened (read-only)	\??\P:	Au_.exe
File opened (read-only)	\??\Q:	Au_.exe
File opened (read-only)	\??\R:	Au_.exe
File opened (read-only)	\??\S:	Au_.exe
File opened (read-only)	\??\W:	Au_.exe
File opened (read-only)	\??\J:	Au_.exe
File opened (read-only)	\??\Y:	Au_.exe
File opened (read-only)	\??\F:	Au_.exe
File opened (read-only)	\??\H:	Au_.exe
File opened (read-only)	\??\I:	Au_.exe
File opened (read-only)	\??\N:	Au_.exe
File opened (read-only)	\??\U:	Au_.exe
File opened (read-only)	\??\X:	Au_.exe
File opened (read-only)	\??\E:	Au_.exe
File opened (read-only)	\??\K:	Au_.exe
File opened (read-only)	\??\L:	Au_.exe
File opened (read-only)	\??\G:	Au_.exe
File opened (read-only)	\??\V:	Au_.exe
File opened (read-only)	\??\Z:	Au_.exe
File opened (read-only)	\??\T:	Au_.exe

Drops autorun.inf file 1 TTPs 1 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	Au_.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	Au_.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7z.exe	Au_.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zFM.exe	Au_.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zG.exe	Au_.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\Uninstall.exe	Au_.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.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 15 IoCs

pid	Process
1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe
372	Au_.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Token: SeDebugPrivilege	372	Au_.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 1112	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	10
PID 1328 wrote to memory of 1172	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	17
PID 1328 wrote to memory of 1200	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	16
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 1328 wrote to memory of 372	1328	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe	27
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16
PID 372 wrote to memory of 1112	372	Au_.exe	10
PID 372 wrote to memory of 1172	372	Au_.exe	17
PID 372 wrote to memory of 1200	372	Au_.exe	16

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Au_.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe
  "C:\Users\Admin\AppData\Local\Temp\5ec0bcb3ac04a626c96eeac3343ae31906202c677473dc3bdc3737105c68348b.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - 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:1328
- - C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
    3⤵
    - Modifies firewall policy service
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Deletes itself
    - Loads dropped DLL
    - Windows security modification
    - Checks whether UAC is enabled
    - Enumerates connected drives
    - Drops autorun.inf file
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:372

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry