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Analysis
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max time kernel
83s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
21/08/2024, 18:52
Static task
static1
Behavioral task
behavioral1
Sample
8928cdc1e4cfc9b28ca71b706e637400N.dll
Resource
win7-20240705-en
General
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Target
8928cdc1e4cfc9b28ca71b706e637400N.dll
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Size
120KB
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MD5
8928cdc1e4cfc9b28ca71b706e637400
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SHA1
7b5048872972a21e0a2546541f8ed49e1e7afe03
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SHA256
34535bc7c7f25f75ff853c9c683e39942f23b00dd9c838ccbc0b39b82905c9bc
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SHA512
ecfaabf026985804c1485d5a09891201ef2e45ae269554e4a2e87df3b6beafc87ccf8ec573678b134f36b51ba36d3a53a5b2c5cd329b03619ed4500c923112f6
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SSDEEP
3072:2GDA2U3JTYiS+QDLVvsKCHcMwJW1nYqsT+X0:zAr5kbjPVvFCc/WtsTY
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f790609.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f790609.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f790168.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f790168.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f790168.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790609.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f790609.exe -
Executes dropped EXE 3 IoCs
pid Process 2264 f790168.exe 2280 f790609.exe 2736 f791e69.exe -
Loads dropped DLL 6 IoCs
pid Process 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe 2272 rundll32.exe -
resource yara_rule behavioral1/memory/2264-14-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-19-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-16-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-20-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-22-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-23-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-21-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-18-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-17-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-15-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-64-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-65-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-67-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-68-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-69-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-86-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-87-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-88-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-90-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-110-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-112-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2264-150-0x00000000006C0000-0x000000000177A000-memory.dmp upx behavioral1/memory/2280-153-0x0000000000A60000-0x0000000001B1A000-memory.dmp upx behavioral1/memory/2280-177-0x0000000000A60000-0x0000000001B1A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f790168.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f790609.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f790609.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f790168.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790609.exe -
Enumerates connected drives 3 TTPs 12 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: f790168.exe File opened (read-only) \??\E: f790168.exe File opened (read-only) \??\G: f790168.exe File opened (read-only) \??\H: f790168.exe File opened (read-only) \??\I: f790168.exe File opened (read-only) \??\P: f790168.exe File opened (read-only) \??\O: f790168.exe File opened (read-only) \??\J: f790168.exe File opened (read-only) \??\K: f790168.exe File opened (read-only) \??\L: f790168.exe File opened (read-only) \??\M: f790168.exe File opened (read-only) \??\N: f790168.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI f790168.exe File created C:\Windows\f79558f f790609.exe File created C:\Windows\f7901e4 f790168.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f790168.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2264 f790168.exe 2264 f790168.exe 2280 f790609.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe Token: SeDebugPrivilege 2264 f790168.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2260 wrote to memory of 2272 2260 rundll32.exe 29 PID 2272 wrote to memory of 2264 2272 rundll32.exe 30 PID 2272 wrote to memory of 2264 2272 rundll32.exe 30 PID 2272 wrote to memory of 2264 2272 rundll32.exe 30 PID 2272 wrote to memory of 2264 2272 rundll32.exe 30 PID 2264 wrote to memory of 1100 2264 f790168.exe 18 PID 2264 wrote to memory of 1156 2264 f790168.exe 19 PID 2264 wrote to memory of 1196 2264 f790168.exe 20 PID 2264 wrote to memory of 1616 2264 f790168.exe 24 PID 2264 wrote to memory of 2260 2264 f790168.exe 28 PID 2264 wrote to memory of 2272 2264 f790168.exe 29 PID 2264 wrote to memory of 2272 2264 f790168.exe 29 PID 2272 wrote to memory of 2280 2272 rundll32.exe 31 PID 2272 wrote to memory of 2280 2272 rundll32.exe 31 PID 2272 wrote to memory of 2280 2272 rundll32.exe 31 PID 2272 wrote to memory of 2280 2272 rundll32.exe 31 PID 2272 wrote to memory of 2736 2272 rundll32.exe 32 PID 2272 wrote to memory of 2736 2272 rundll32.exe 32 PID 2272 wrote to memory of 2736 2272 rundll32.exe 32 PID 2272 wrote to memory of 2736 2272 rundll32.exe 32 PID 2264 wrote to memory of 1100 2264 f790168.exe 18 PID 2264 wrote to memory of 1156 2264 f790168.exe 19 PID 2264 wrote to memory of 1196 2264 f790168.exe 20 PID 2264 wrote to memory of 1616 2264 f790168.exe 24 PID 2264 wrote to memory of 2280 2264 f790168.exe 31 PID 2264 wrote to memory of 2280 2264 f790168.exe 31 PID 2264 wrote to memory of 2736 2264 f790168.exe 32 PID 2264 wrote to memory of 2736 2264 f790168.exe 32 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f790609.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1100
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1156
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8928cdc1e4cfc9b28ca71b706e637400N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8928cdc1e4cfc9b28ca71b706e637400N.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Users\Admin\AppData\Local\Temp\f790168.exeC:\Users\Admin\AppData\Local\Temp\f790168.exe4⤵
- 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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2264
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C:\Users\Admin\AppData\Local\Temp\f790609.exeC:\Users\Admin\AppData\Local\Temp\f790609.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- System policy modification
PID:2280
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C:\Users\Admin\AppData\Local\Temp\f791e69.exeC:\Users\Admin\AppData\Local\Temp\f791e69.exe4⤵
- Executes dropped EXE
PID:2736
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1616
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
257B
MD522d3366cd04fde93678d24737dc42f33
SHA12c9ccf6e004ab07471be961d6f9c2b3740e0a8b0
SHA2568603959779f27d7d2e89531c3b0d55e0033bbf666b6f47c385914e4d88cfd8ed
SHA512e50409852cf9bb081717cc2d27ed936cd9241418d28164c20f0d632748001a6bbbd1b19e1b64c2c79c5e1180f85fbea37bad6e1374056f5540e997cdefed2805
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Filesize
97KB
MD57fb3e1c0e790c62589bdb3f09262c1d0
SHA16086e571d9ed14945ece23e1a0172aa74eb6cc2c
SHA2562dd46bcdcfb88b8b3ab9ac07edccc31db4db1d7779e62bf51a6e80d5a0803481
SHA5126775844668d042b513643231f83d70eeb629db781465d3637866795b8a54d4a6599d7cb6dd76624875348849cea1f95af99831f1831d87bd0e3e199d970d11df