sality | 36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593

Analysis

max time kernel
10s
max time network
65s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 04:39

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General

Target

36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Size

728KB
MD5

babf6025fc442ed284dc59a556a38e10
SHA1

383bd7eb174ca47c13fb86214ba0aec33ee5d11e
SHA256

36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593
SHA512

823c2fb6446edb1df3a765cdee8fbc2bdd32dc273ec0d6b9a69f48dc83ead46269293c30f6be7dad2cff170c4931c4267c03e62641bd75213a19f55cc37b06c8
SSDEEP

12288:TTyjXW+48qWywrU4kGFezOAVuJ5PI9ww7F5DO3HYffw4q4:PIXW/8yw1ez54lIdF5SXYHw4q4

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

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"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	rundll32.exe
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"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\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"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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\UacDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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\AntiVirusOverride = "1"	rundll32.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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\AntiVirusOverride = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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\UacDisableNotify = "1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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\FirewallDisableNotify = "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\FirewallDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Office\\rundll32.exe"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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)	\??\K:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-9-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-3-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-8-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-13-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-14-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-15-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-12-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-5-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-4-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-10-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-35-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-34-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2520-44-0x00000000025E0000-0x000000000369A000-memory.dmp	upx
behavioral1/memory/2856-70-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-67-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-64-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-60-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-71-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-68-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-66-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-65-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-63-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-94-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-93-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-62-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-95-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-97-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-96-0x00000000026D0000-0x000000000378A000-memory.dmp	upx
behavioral1/memory/2856-105-0x00000000026D0000-0x000000000378A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\f76868e	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
File opened for modification	C:\Windows\SYSTEM.INI	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
File created	C:\Windows\f769186	rundll32.exe

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
2856	rundll32.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe
Token: SeDebugPrivilege	2856	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
2856	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1100	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	19
PID 2520 wrote to memory of 1148	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	20
PID 2520 wrote to memory of 1180	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	21
PID 2520 wrote to memory of 328	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	25
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2520 wrote to memory of 2856	2520	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe	30
PID 2856 wrote to memory of 1100	2856	rundll32.exe	19
PID 2856 wrote to memory of 1148	2856	rundll32.exe	20
PID 2856 wrote to memory of 1180	2856	rundll32.exe	21
PID 2856 wrote to memory of 328	2856	rundll32.exe	25

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"	36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.exe
  "C:\Users\Admin\AppData\Local\Temp\36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593N.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:2520
- - 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
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Enumerates connected drives
    - 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:2856

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:328

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\0F769270_Rar\rundll32.exe

Filesize
664KB

MD5
2eb5d76180ce7b3241b281fa79ab3483

SHA1
06293dea80e39c7eb7ee2bdb00d60b58d932fa8a

SHA256
e1b9beb4617a720d55afaec364941bb18ea2c456a8b06b30a736f0cbb5c297e8

SHA512
35f553c76fc67afb88a6a090fcbad6af3e2faae154c9c84bd869714194012525a2d42b76dad855805f107a37c351f0de08fd9a03d8ddc1dd400d64640d81b90b

Download Submit
C:\Windows\SYSTEM.INI

Filesize
257B

MD5
cef2185274e66479920d00d2bf8cbce2

SHA1
19e590061471e71c64be9aaefceddf5ec3d6b492

SHA256
599a4dc258ad086d0f5119c6a172e33988786976feca0fa2fa9b4d6744e7ddc8

SHA512
5b29bd6feb7241342c6c578a1ecb40ec20e614a2dbbb562c386aa1c48edd212d3f55e0c36863fb6521efa64b65cebdfc1ccdff01d617b703c21ea2f1fc1036f3

Download Submit
C:\eswjpn.exe

Filesize
97KB

MD5
1670c670ee0238706bc1453a484f2387

SHA1
7809242667f84f72481ccbf6a2fad2b37cc5e543

SHA256
5b748ac63f4dc5ecd44726a4766c1800a914c160280ee4dede51b0b753b3b769

SHA512
3e3883eea9c846f12abbfc13f35fefbccddd328a08d3fb8d2c90efef11b248668cdae2becf73c044c3dfa06599d837fc7a312a626c25fa9b140e43bcd340ebb3

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

Filesize
728KB

MD5
babf6025fc442ed284dc59a556a38e10

SHA1
383bd7eb174ca47c13fb86214ba0aec33ee5d11e

SHA256
36b97f6ce82a5f4ba5d389436fdec57e448211533e5063b44cff951cd1e64593

SHA512
823c2fb6446edb1df3a765cdee8fbc2bdd32dc273ec0d6b9a69f48dc83ead46269293c30f6be7dad2cff170c4931c4267c03e62641bd75213a19f55cc37b06c8

Download Submit
memory/1100-16-0x0000000000210000-0x0000000000212000-memory.dmp

Filesize
8KB

Download
memory/2520-12-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-33-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/2520-24-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2520-23-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/2520-28-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/2520-14-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-15-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-13-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-5-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-4-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-10-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-26-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2520-35-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-34-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-8-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-42-0x0000000008DB0000-0x0000000008E6E000-memory.dmp

Filesize
760KB

Download
memory/2520-46-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/2520-44-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-3-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2520-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2520-58-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2520-9-0x00000000025E0000-0x000000000369A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-70-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-85-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2856-64-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-79-0x0000000000190000-0x0000000000192000-memory.dmp

Filesize
8KB

Download
memory/2856-60-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-71-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-68-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-66-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-65-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-63-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-94-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-93-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-62-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-67-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-92-0x0000000000190000-0x0000000000192000-memory.dmp

Filesize
8KB

Download
memory/2856-95-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-97-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-96-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-105-0x00000000026D0000-0x000000000378A000-memory.dmp

Filesize
16.7MB

Download
memory/2856-113-0x0000000000190000-0x0000000000192000-memory.dmp

Filesize
8KB

Download
memory/2856-59-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download