sality | 4e32bec63d6c3bd84610060a50c7bffb89a7e19c2d41953b613d20f3d74dba2d | Triage

Analysis

max time kernel
58s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 18:35

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General

Target

announce.exe
Size

116KB
MD5

511e3d166caf4df562a82b58f564bead
SHA1

5c6be8a2e31193d6fe743c13c6585037782f413f
SHA256

57d6ff0340f289696e455ca0310a3051a92f45605e2fadf2b752f7fec9dfcc29
SHA512

970bcd311ffae687df778608d1c7109eb37de64b4e296595a11e6583d0a87a45a7e93b7aea4ad9a440d442975ffd03f1343896a2f94567b75a9247db899bf1c6
SSDEEP

3072:Oa1jqZp+DtSXLB2bJcB+x2cd0OC0Lj+ylG8:OM+ZtXkCBO40Lj9

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

Modify Registry

Modify Existing Service

Processes:

announce.exe

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

announce.exe

description ioc process

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

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

Processes:

announce.exe

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

UPX packed file 2 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1884-55-0x0000000000980000-0x0000000001A0E000-memory.dmp	upx
behavioral1/memory/1884-58-0x0000000000980000-0x0000000001A0E000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

Processes:

announce.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

announce.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" announce.exe
Drops file in Windows directory 1 IoCs

Processes:

announce.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI announce.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

announce.exe

pid process

1884 announce.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

announce.exe

description	pid	process
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe
Token: SeDebugPrivilege	1884	announce.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

announce.exe

description	pid	process	target process
PID 1884 wrote to memory of 1132	1884	announce.exe	taskhost.exe
PID 1884 wrote to memory of 1216	1884	announce.exe	Dwm.exe
PID 1884 wrote to memory of 1264	1884	announce.exe	Explorer.EXE

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

announce.exe

description ioc process

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264

C:\Users\Admin\AppData\Local\Temp\announce.exe
"C:\Users\Admin\AppData\Local\Temp\announce.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- 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:1884

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1216

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

Privilege Escalation

Bypass User Account Control

Defense Evasion

Modify Registry

Bypass User Account Control

Disabling Security Tools

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1884-54-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

Download
memory/1884-55-0x0000000000980000-0x0000000001A0E000-memory.dmp

Filesize
16.6MB

Download
memory/1884-56-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1884-57-0x0000000000920000-0x0000000000922000-memory.dmp

Filesize
8KB

Download
memory/1884-58-0x0000000000980000-0x0000000001A0E000-memory.dmp

Filesize
16.6MB

Download