sality | 695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 03:08

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General

Target

695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Size

732KB
MD5

54ee754396ab08cac19a658a0d8b4240
SHA1

6fbb3978693c61ac54aea631c7ff0916ac13e9d5
SHA256

695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2
SHA512

9c24dfde6d244bed297fbccbd3f0a96ad65d191dadcd5fe0d6f4cd8d8849055eeea17f34048ac401336673d35a6595efe5c91e191f08f3330407c7dac5ff78e0
SSDEEP

12288:2TyjXW+48qWywrU4kGFezOAVuJ5PInXww7F5DO3HYffbw2luW:sIXW/8yw1ez54lInbF5SXYH0W

Score

10^/10

sality backdoor discovery evasion persistence 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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

Modifies firewall policy service 3 TTPs 6 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	rundll32.exe

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	rundll32.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality
Sality family
sality

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32.exe

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32.exe

Deletes itself 1 IoCs

pid	Process
2732	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\rundll32.exe"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32.exe

Enumerates connected drives 3 TTPs 23 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

description	ioc	Process
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2432-8-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-9-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-11-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-7-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-13-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-6-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-14-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-12-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-10-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-1-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-15-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-16-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-34-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-35-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2432-58-0x00000000024A0000-0x000000000352E000-memory.dmp	upx
behavioral1/memory/2732-65-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-69-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-64-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-70-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-67-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-68-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-66-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-62-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-71-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-89-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-88-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx
behavioral1/memory/2732-98-0x0000000003A90000-0x0000000004B1E000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
2732	rundll32.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe
Token: SeDebugPrivilege	2732	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
2732	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1112	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	19
PID 2432 wrote to memory of 1180	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	20
PID 2432 wrote to memory of 1236	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	21
PID 2432 wrote to memory of 1060	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	23
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2432 wrote to memory of 2732	2432	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe	31
PID 2732 wrote to memory of 1112	2732	rundll32.exe	19
PID 2732 wrote to memory of 1180	2732	rundll32.exe	20
PID 2732 wrote to memory of 1236	2732	rundll32.exe	21
PID 2732 wrote to memory of 1060	2732	rundll32.exe	23

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32.exe

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe
  "C:\Users\Admin\AppData\Local\Temp\695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2N.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2432
- - C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe
    3⤵
    - Modifies firewall policy service
    - Modifies visiblity of hidden/system files in Explorer
    - UAC bypass
    - Windows security bypass
    - Deletes itself
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Enumerates connected drives
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2732

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0F76EB0A_Rar\rundll32.exe

Filesize
664KB

MD5
2eb5d76180ce7b3241b281fa79ab3483

SHA1
06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

SHA256
e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

SHA512
35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

Download Submit
C:\Windows\SYSTEM.INI

Filesize
257B

MD5
5194d5f34ba68be76ed284c683c1164a

SHA1
b5632b85ba9bcf2e20720dd5b86f224047acb174

SHA256
4703ba7aaed79d7e828b32975af692d04ca5490c854d8799e89a92241ef2bfb8

SHA512
2bd47a6114d03c8ee8e3c86169cf069d494944db520b44110f207061d53422499a591a84308d8c4ca63bb95efe15d397e9c615ad6457c724a5402e83c3c2b3b1

Download Submit
C:\hnbj.exe

Filesize
100KB

MD5
950e0c53c61bdc72d6240d8f1390d852

SHA1
2aff49041311fcb85bb4e43614213d0668be5a1e

SHA256
208ed530a75569ac33ad6981e4ac0ac99bd7fb37e5e9527b6db0bf74525923e3

SHA512
5e12904c1051bf98bdcb2fdffed4c239c7a419c272b304b69cf7a7272798b6c514dcea566048d90eec634aed508d5a812cda86e4fef8d0ced9dc5e97ba86985a

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Office\rundll32.exe

Filesize
732KB

MD5
54ee754396ab08cac19a658a0d8b4240

SHA1
6fbb3978693c61ac54aea631c7ff0916ac13e9d5

SHA256
695139bb8947ad81f58816692c662be1525dd6f114c33f733d0d9add720afba2

SHA512
9c24dfde6d244bed297fbccbd3f0a96ad65d191dadcd5fe0d6f4cd8d8849055eeea17f34048ac401336673d35a6595efe5c91e191f08f3330407c7dac5ff78e0

Download Submit
memory/1112-17-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download
memory/2432-52-0x0000000000200000-0x0000000000202000-memory.dmp

Filesize
8KB

Download
memory/2432-58-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-14-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-12-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-10-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-1-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-15-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-16-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-28-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2432-30-0x0000000000200000-0x0000000000202000-memory.dmp

Filesize
8KB

Download
memory/2432-26-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2432-25-0x0000000000200000-0x0000000000202000-memory.dmp

Filesize
8KB

Download
memory/2432-13-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-34-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-35-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-7-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-39-0x000000000AC40000-0x000000000ACFF000-memory.dmp

Filesize
764KB

Download
memory/2432-0-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2432-57-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2432-6-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-11-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-8-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2432-9-0x00000000024A0000-0x000000000352E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-66-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-67-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-70-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-85-0x0000000000210000-0x0000000000212000-memory.dmp

Filesize
8KB

Download
memory/2732-69-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-83-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2732-64-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-68-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-84-0x0000000000210000-0x0000000000212000-memory.dmp

Filesize
8KB

Download
memory/2732-62-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-71-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-89-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-88-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-98-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download
memory/2732-113-0x0000000000210000-0x0000000000212000-memory.dmp

Filesize
8KB

Download
memory/2732-65-0x0000000003A90000-0x0000000004B1E000-memory.dmp

Filesize
16.6MB

Download