sality | 513c36f4a21c7ebf125fe36b98fb2c065898b9f543a6e8dbbf3f9a041c5b86fa

General

Target

Fasapos.exe
Size

3.8MB
MD5

06520d039dc1372fec03e88669785ae0
SHA1

0afaf454daa59ab4d5af84f20d46b6ede83df3aa
SHA256

513c36f4a21c7ebf125fe36b98fb2c065898b9f543a6e8dbbf3f9a041c5b86fa
SHA512

6aeb2a52e99e0cab49b0c395bf2b4d8453e43543d7700e644b09713023a6e73a32ec74bae425e835c550b480db783a0f80e793edfeb8c76774e510294854db9f

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:

Fasapos.exe

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

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

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Disables RegEdit via registry modification
evasion
Disables Task Manager via registry modification
evasion

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1992-60-0x0000000001D40000-0x0000000002DCE000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Fasapos.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Fasapos.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Fasapos.exe
Enumerates connected drives 3 TTPs 3 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:

Fasapos.exe

description ioc process

File opened (read-only) \??\E: Fasapos.exe
File opened (read-only) \??\F: Fasapos.exe
File opened (read-only) \??\G: Fasapos.exe
Drops file in Windows directory 1 IoCs

Processes:

Fasapos.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI Fasapos.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:

Fasapos.exe

pid process

1992 Fasapos.exe

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

description	ioc	process
File opened (read-only)	\??\E:	Fasapos.exe
File opened (read-only)	\??\F:	Fasapos.exe
File opened (read-only)	\??\G:	Fasapos.exe

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

pid	process
1992	Fasapos.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

Fasapos.exe

description	pid	process
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe
Token: SeDebugPrivilege	1992	Fasapos.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Fasapos.exe

description	pid	process	target process
PID 1992 wrote to memory of 1112	1992	Fasapos.exe	taskhost.exe
PID 1992 wrote to memory of 1168	1992	Fasapos.exe	Dwm.exe
PID 1992 wrote to memory of 1196	1992	Fasapos.exe	Explorer.EXE

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

Fasapos.exe

description ioc process

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196

C:\Users\Admin\AppData\Local\Temp\Fasapos.exe
"C:\Users\Admin\AppData\Local\Temp\Fasapos.exe"
2⤵
- Modifies firewall policy service
- 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:1992

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

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

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

3

T1082

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1992-59-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1992-61-0x0000000002E70000-0x0000000002E72000-memory.dmp

Filesize
8KB

Download
memory/1992-60-0x0000000001D40000-0x0000000002DCE000-memory.dmp

Filesize
16.6MB

Download
memory/1992-62-0x0000000002E80000-0x0000000002E81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads