sality | e2f1be4902846deefee7eb4f0ab5c680dfb3d67ccb1e27bdeb0ff54c3fa93c81

General

Target

ELTIMASerialSplitter/ssplitinst.exe
Size

6.4MB
MD5

21f124a12e8ea4e537ac519792be7eb0
SHA1

6522ddb1872be1e63eb1b97a65a4d556720c0922
SHA256

7c8aae4560527acaecdc848949f639c9ce086e335659839e84d48abb9bb6dac6
SHA512

857e3a0a12b2dab0900a2a48b5ab53b76c4c8237f682f6837cd71a9991e0a4261812bc76f69d21b655cc0a311eacdd2a2466aec57f21ec4a5a92c52feda0636f
SSDEEP

98304:AqYz9oGhVYAGKmL2LxJl8soC0OAax9M6oZFVIL5qIL/lL2Z4+AVW1DXEDQfB:AqYzthVcgfasoC0ix/oZFs/NQ4pMlXzB

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

Windows Service

T1543.003

Processes:

ssplitinst.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ssplitinst.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	ssplitinst.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	ssplitinst.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
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

ssplitinst.exe

description ioc process

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

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

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ssplitinst.exe

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

Executes dropped EXE 1 IoCs

Processes:

ssplitinst.tmp

pid process

3044 ssplitinst.tmp
Loads dropped DLL 1 IoCs

Processes:

ssplitinst.exe

pid process

3016 ssplitinst.exe

pid	process
3044	ssplitinst.tmp

pid	process
3016	ssplitinst.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3016-7-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-10-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-42-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-41-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-14-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-17-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-15-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-16-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-13-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-47-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-48-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-50-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-51-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-52-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-54-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx
behavioral1/memory/3016-80-0x0000000001D80000-0x0000000002E0E000-memory.dmp	upx

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ssplitinst.exe

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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

ssplitinst.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ssplitinst.exe
Enumerates connected drives 3 TTPs 2 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:

ssplitinst.exe

description ioc process

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

Processes:

ssplitinst.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI ssplitinst.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ssplitinst.exe

pid process

3016 ssplitinst.exe

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

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

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

pid	process
3016	ssplitinst.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

ssplitinst.exe

description	pid	process
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe
Token: SeDebugPrivilege	3016	ssplitinst.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

ssplitinst.exe

description	pid	process	target process
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 1124	3016	ssplitinst.exe	taskhost.exe
PID 3016 wrote to memory of 1184	3016	ssplitinst.exe	Dwm.exe
PID 3016 wrote to memory of 1208	3016	ssplitinst.exe	Explorer.EXE
PID 3016 wrote to memory of 1028	3016	ssplitinst.exe	DllHost.exe
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp
PID 3016 wrote to memory of 3044	3016	ssplitinst.exe	ssplitinst.tmp

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

ssplitinst.exe

description ioc process

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

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208

C:\Users\Admin\AppData\Local\Temp\ELTIMASerialSplitter\ssplitinst.exe
"C:\Users\Admin\AppData\Local\Temp\ELTIMASerialSplitter\ssplitinst.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Loads dropped DLL
- 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:3016

C:\Users\Admin\AppData\Local\Temp\is-409MP.tmp\ssplitinst.tmp
"C:\Users\Admin\AppData\Local\Temp\is-409MP.tmp\ssplitinst.tmp" /SL5="$40150,6159599,141824,C:\Users\Admin\AppData\Local\Temp\ELTIMASerialSplitter\ssplitinst.exe"
3⤵
- Executes dropped EXE
PID:3044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1028

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Modify Registry

5

T1112

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

3

T1562.001

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

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\is-409MP.tmp\ssplitinst.tmp
Filesize
1.1MB

MD5
206a0d523af8ed8537a37eb2ae9d998e

SHA1
321fcc8cfe84ba5fabbe4f4ea078f2714c3e8644

SHA256
fe3269a1a58f5675821af03cd8fa868b5d80ba28c1b5dfcc9d7365d5ffd7c49c

SHA512
5841949fb1d44c9f21e5297adf30671240fbde6fa2bbc7addf32d2adf97a3fa64df259d82d5b793ba65f45caacede94bf24e769fbc81124fc29c438e5000a3a7

Download Submit
memory/1124-19-0x0000000000450000-0x0000000000452000-memory.dmp

Filesize
8KB

Download
memory/3016-51-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3016-7-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-10-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-2-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3016-42-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-79-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3016-17-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-41-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-43-0x0000000000610000-0x0000000000612000-memory.dmp

Filesize
8KB

Download
memory/3016-39-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3016-80-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-14-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-31-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/3016-29-0x0000000000860000-0x0000000000861000-memory.dmp

Filesize
4KB

Download
memory/3016-28-0x0000000000610000-0x0000000000612000-memory.dmp

Filesize
8KB

Download
memory/3016-71-0x0000000000610000-0x0000000000612000-memory.dmp

Filesize
8KB

Download
memory/3016-55-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-54-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-15-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-16-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-13-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-47-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-48-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-50-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3016-8-0x0000000000401000-0x0000000000416000-memory.dmp

Filesize
84KB

Download
memory/3016-52-0x0000000001D80000-0x0000000002E0E000-memory.dmp

Filesize
16.6MB

Download
memory/3044-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3044-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3044-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3044-36-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/3044-38-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/3044-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3044-56-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads