sality | 449463aa2edcc35b3f5db7cbae40b09aac5ec12ee65d1c0f89c8628b5bd868e1

Analysis

max time kernel
41s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
resource tags

arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system
submitted
16-07-2022 07:58

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General

Target

virussign.dll
Size

120KB
MD5

981c8a2357a000371a465746daf3a340
SHA1

ed2872a3df64db6859d15ec30382156aa203015f
SHA256

449463aa2edcc35b3f5db7cbae40b09aac5ec12ee65d1c0f89c8628b5bd868e1
SHA512

434b7c87cbf9b62bdd0f7f942fda10c74ce9c62eb5d64fd3847958749d2ac94670737205212ccfc3f86d018d879916177072bbf03f51170fa9d0bd5209e1bded

Score

10^/10

sality backdoor evasion trojan upx

Malware Config

Extracted

Family

sality

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

6bf72c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	6bf72c.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:

6bf72c.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 6bf72c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf72c.exe

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

6bf72c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf72c.exe

Executes dropped EXE 3 IoCs

Processes:

6bf72c.exe6bf98c.exe6c10c4.exe

pid process

1128 6bf72c.exe
1608 6bf98c.exe
268 6c10c4.exe

pid	process
1128	6bf72c.exe
1608	6bf98c.exe
268	6c10c4.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1128-61-0x0000000000680000-0x000000000173A000-memory.dmp	upx
behavioral1/memory/1128-69-0x0000000000680000-0x000000000173A000-memory.dmp	upx
behavioral1/memory/1128-83-0x0000000000680000-0x000000000173A000-memory.dmp	upx
behavioral1/memory/1128-85-0x0000000000680000-0x000000000173A000-memory.dmp	upx
behavioral1/memory/1608-87-0x0000000000910000-0x00000000019CA000-memory.dmp	upx
behavioral1/memory/268-90-0x00000000009A0000-0x0000000001A5A000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

rundll32.exe

pid process

864 rundll32.exe
864 rundll32.exe
864 rundll32.exe
864 rundll32.exe
864 rundll32.exe
864 rundll32.exe

pid	process
864	rundll32.exe
864	rundll32.exe
864	rundll32.exe
864	rundll32.exe
864	rundll32.exe
864	rundll32.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

6bf72c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	6bf72c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	6bf72c.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

6bf72c.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 6bf72c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf72c.exe

Enumerates connected drives 3 TTPs 8 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:

6bf72c.exe

description	ioc	process
File opened (read-only)	\??\L:	6bf72c.exe
File opened (read-only)	\??\E:	6bf72c.exe
File opened (read-only)	\??\F:	6bf72c.exe
File opened (read-only)	\??\G:	6bf72c.exe
File opened (read-only)	\??\H:	6bf72c.exe
File opened (read-only)	\??\I:	6bf72c.exe
File opened (read-only)	\??\J:	6bf72c.exe
File opened (read-only)	\??\K:	6bf72c.exe

Drops file in Windows directory 2 IoCs

Processes:

6bf72c.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI 6bf72c.exe
File created C:\Windows\6bf90f 6bf72c.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6bf72c.exe

pid process

1128 6bf72c.exe
1128 6bf72c.exe

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	6bf72c.exe
File created	C:\Windows\6bf90f	6bf72c.exe

pid	process
1128	6bf72c.exe
1128	6bf72c.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

6bf72c.exe

description	pid	process
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe
Token: SeDebugPrivilege	1128	6bf72c.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

rundll32.exerundll32.exe6bf72c.exe

description	pid	process	target process
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 864	2024	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1128	864	rundll32.exe	6bf72c.exe
PID 864 wrote to memory of 1128	864	rundll32.exe	6bf72c.exe
PID 864 wrote to memory of 1128	864	rundll32.exe	6bf72c.exe
PID 864 wrote to memory of 1128	864	rundll32.exe	6bf72c.exe
PID 1128 wrote to memory of 1112	1128	6bf72c.exe	taskhost.exe
PID 1128 wrote to memory of 1168	1128	6bf72c.exe	Dwm.exe
PID 1128 wrote to memory of 1200	1128	6bf72c.exe	Explorer.EXE
PID 1128 wrote to memory of 2024	1128	6bf72c.exe	rundll32.exe
PID 1128 wrote to memory of 864	1128	6bf72c.exe	rundll32.exe
PID 1128 wrote to memory of 864	1128	6bf72c.exe	rundll32.exe
PID 864 wrote to memory of 1608	864	rundll32.exe	6bf98c.exe
PID 864 wrote to memory of 1608	864	rundll32.exe	6bf98c.exe
PID 864 wrote to memory of 1608	864	rundll32.exe	6bf98c.exe
PID 864 wrote to memory of 1608	864	rundll32.exe	6bf98c.exe
PID 864 wrote to memory of 268	864	rundll32.exe	6c10c4.exe
PID 864 wrote to memory of 268	864	rundll32.exe	6c10c4.exe
PID 864 wrote to memory of 268	864	rundll32.exe	6c10c4.exe
PID 864 wrote to memory of 268	864	rundll32.exe	6c10c4.exe
PID 1128 wrote to memory of 1112	1128	6bf72c.exe	taskhost.exe
PID 1128 wrote to memory of 1168	1128	6bf72c.exe	Dwm.exe
PID 1128 wrote to memory of 1200	1128	6bf72c.exe	Explorer.EXE
PID 1128 wrote to memory of 1608	1128	6bf72c.exe	6bf98c.exe
PID 1128 wrote to memory of 1608	1128	6bf72c.exe	6bf98c.exe
PID 1128 wrote to memory of 268	1128	6bf72c.exe	6c10c4.exe
PID 1128 wrote to memory of 268	1128	6bf72c.exe	6c10c4.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

6bf72c.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 6bf72c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	6bf72c.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\virussign.dll,#1
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864

C:\Users\Admin\AppData\Local\Temp\6bf72c.exe
C:\Users\Admin\AppData\Local\Temp\6bf72c.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:1128

C:\Users\Admin\AppData\Local\Temp\6bf98c.exe
C:\Users\Admin\AppData\Local\Temp\6bf98c.exe
4⤵
- Executes dropped EXE
PID:1608

C:\Users\Admin\AppData\Local\Temp\6c10c4.exe
C:\Users\Admin\AppData\Local\Temp\6c10c4.exe
4⤵
- Executes dropped EXE
PID:268

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

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

T1112

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6bf72c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
C:\Users\Admin\AppData\Local\Temp\6bf98c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
C:\Users\Admin\AppData\Local\Temp\6c10c4.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6bf72c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6bf72c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6bf98c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6bf98c.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6c10c4.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
\Users\Admin\AppData\Local\Temp\6c10c4.exe
Filesize
97KB

MD5
3a00289a3ffdf63aa62b52e411ffd3a5

SHA1
6722ba636ab432bd8597fdd2f61599bd97c65aa5

SHA256
6fc0a47ae77064fb7d210db67785ad1d26802e5280622cf5fd21febfe92cc75f

SHA512
bd729500e4d0ae732294c784b047f3849b899ff14ed089a97954b9a970dba2d2d4ba2aaa5e4c7c36f9bec229f61dc5c28cd36b81adfb9fdbe24b99d486a1f516

Download Submit
memory/268-81-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/268-76-0x0000000000000000-mapping.dmp

Download
memory/268-79-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/268-90-0x00000000009A0000-0x0000000001A5A000-memory.dmp

Filesize
16.7MB

Download
memory/268-91-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/864-71-0x00000000003B0000-0x00000000003C2000-memory.dmp

Filesize
72KB

Download
memory/864-63-0x00000000000B0000-0x00000000000C2000-memory.dmp

Filesize
72KB

Download
memory/864-54-0x0000000000000000-mapping.dmp

Download
memory/864-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/864-73-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download
memory/864-62-0x0000000010000000-0x0000000010020000-memory.dmp

Filesize
128KB

Download
memory/864-78-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1128-85-0x0000000000680000-0x000000000173A000-memory.dmp

Filesize
16.7MB

Download
memory/1128-83-0x0000000000680000-0x000000000173A000-memory.dmp

Filesize
16.7MB

Download
memory/1128-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1128-69-0x0000000000680000-0x000000000173A000-memory.dmp

Filesize
16.7MB

Download
memory/1128-61-0x0000000000680000-0x000000000173A000-memory.dmp

Filesize
16.7MB

Download
memory/1128-80-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/1128-58-0x0000000000000000-mapping.dmp

Download
memory/1128-70-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1128-84-0x00000000002F0000-0x00000000002F2000-memory.dmp

Filesize
8KB

Download
memory/1608-67-0x0000000000000000-mapping.dmp

Download
memory/1608-87-0x0000000000910000-0x00000000019CA000-memory.dmp

Filesize
16.7MB

Download
memory/1608-88-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1608-82-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/1608-72-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads