sality | 22c96890feb3ba58ca20a314d560e38f419f2eb2629b3c039b32815ec9539916

General

Target

bootsvc.exe
Size

81KB
MD5

70bff3f4d233bacd4970bdcc2d9c1922
SHA1

1c12235447ded3e5909da1a54286ccc7e044eff7
SHA256

22c96890feb3ba58ca20a314d560e38f419f2eb2629b3c039b32815ec9539916
SHA512

34fb1bd76d2dea6cfb702662d30db5b3695659b7dcce65fd745cdc3f3c5298a8d1c6cf49ac582d8e38e1fce4ef01c924d3da2b97a10ee6e6d7ea9af0d650d032

Score

10^/10

sality backdoor evasion trojan upx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

bootsvc.exe

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

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

bootsvc.exe

description ioc process

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

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

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

bootsvc.exe

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

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1864-55-0x0000000001EB0000-0x0000000002F3E000-memory.dmp	upx
behavioral1/memory/1864-57-0x0000000001EB0000-0x0000000002F3E000-memory.dmp	upx
behavioral1/memory/1864-60-0x0000000001EB0000-0x0000000002F3E000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

bootsvc.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

bootsvc.exe

description ioc process

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

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

Processes:

bootsvc.exe

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

Processes:

bootsvc.exe

description ioc process

File opened for modification C:\autorun.inf bootsvc.exe

description	ioc	process
File opened for modification	C:\autorun.inf	bootsvc.exe

Drops file in Program Files directory 5 IoCs

Processes:

bootsvc.exe

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

Drops file in Windows directory 1 IoCs

Processes:

bootsvc.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI bootsvc.exe

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

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

bootsvc.exe

pid	process
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe
1864	bootsvc.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

bootsvc.exe

description	pid	process
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe
Token: SeDebugPrivilege	1864	bootsvc.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

bootsvc.exe

description	pid	process	target process
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE
PID 1864 wrote to memory of 1128	1864	bootsvc.exe	taskhost.exe
PID 1864 wrote to memory of 1196	1864	bootsvc.exe	Dwm.exe
PID 1864 wrote to memory of 1256	1864	bootsvc.exe	Explorer.EXE

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

bootsvc.exe

description ioc process

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256

C:\Users\Admin\AppData\Local\Temp\bootsvc.exe
"C:\Users\Admin\AppData\Local\Temp\bootsvc.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1864

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Modify Registry

5

T1112

Bypass User Account Control

1

T1088

Disabling Security Tools

3

T1089

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1864-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1864-55-0x0000000001EB0000-0x0000000002F3E000-memory.dmp

Filesize
16.6MB

Download
memory/1864-56-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1864-57-0x0000000001EB0000-0x0000000002F3E000-memory.dmp

Filesize
16.6MB

Download
memory/1864-58-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1864-59-0x0000000000460000-0x0000000000462000-memory.dmp

Filesize
8KB

Download
memory/1864-60-0x0000000001EB0000-0x0000000002F3E000-memory.dmp

Filesize
16.6MB

Download
memory/1864-61-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1864-62-0x0000000000460000-0x0000000000462000-memory.dmp

Filesize
8KB

Download
memory/1864-63-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads