Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
27-01-2025 02:48
Static task
static1
Behavioral task
behavioral1
Sample
b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll
Resource
win7-20240729-en
General
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Target
b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll
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Size
120KB
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MD5
1e0f7889dea5cedb0a9193ae851bd883
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SHA1
58d4a9fca1f7a957ecf169f5f8b24c9c316801ae
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SHA256
b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b
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SHA512
205a00bd94ba8dbec44267f1c4a24ffdb8748e77853fcb2d5712f33749b9dc303ec67575f277039968a657c0706fce9761260c4d3ff4ce09be1a6feab183fd3c
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SSDEEP
1536:aaj4qkgMfCITmnKoorSLxKXpkd1iy+iJ/LIDvSEzCVvKeTWRDdgWIqPhpH9:aCFkgRIo1tK5E1iy+KsSEz4nTIDdzDd
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\DisableNotifications = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f775c53.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f775c53.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f77407a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f77407a.exe -
Sality family
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UAC bypass 3 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f775c53.exe -
Windows security bypass 2 TTPs 12 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f775c53.exe -
Executes dropped EXE 3 IoCs
pid Process 2756 f77407a.exe 2720 f77427c.exe 2968 f775c53.exe -
Loads dropped DLL 6 IoCs
pid Process 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe -
Windows security modification 2 TTPs 14 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f77407a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f775c53.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f775c53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f77407a.exe -
Checks whether UAC is enabled 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f775c53.exe -
Enumerates connected drives 3 TTPs 16 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: f77407a.exe File opened (read-only) \??\L: f77407a.exe File opened (read-only) \??\R: f77407a.exe File opened (read-only) \??\T: f77407a.exe File opened (read-only) \??\G: f77407a.exe File opened (read-only) \??\O: f77407a.exe File opened (read-only) \??\J: f77407a.exe File opened (read-only) \??\M: f77407a.exe File opened (read-only) \??\P: f77407a.exe File opened (read-only) \??\Q: f77407a.exe File opened (read-only) \??\S: f77407a.exe File opened (read-only) \??\H: f77407a.exe File opened (read-only) \??\I: f77407a.exe File opened (read-only) \??\K: f77407a.exe File opened (read-only) \??\N: f77407a.exe File opened (read-only) \??\E: f775c53.exe -
resource yara_rule behavioral1/memory/2756-17-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-19-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-21-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-16-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-25-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-24-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-23-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-18-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-20-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-22-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-63-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-64-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-65-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-66-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-67-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-69-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-70-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-84-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-85-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-88-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-89-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-91-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2756-156-0x0000000000690000-0x000000000174A000-memory.dmp upx behavioral1/memory/2968-185-0x0000000000A00000-0x0000000001ABA000-memory.dmp upx behavioral1/memory/2968-210-0x0000000000A00000-0x0000000001ABA000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f774106 f77407a.exe File opened for modification C:\Windows\SYSTEM.INI f77407a.exe File created C:\Windows\f779473 f775c53.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 f77407a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f775c53.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2756 f77407a.exe 2756 f77407a.exe 2968 f775c53.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2756 f77407a.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe Token: SeDebugPrivilege 2968 f775c53.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2084 wrote to memory of 2656 2084 rundll32.exe 30 PID 2656 wrote to memory of 2756 2656 rundll32.exe 31 PID 2656 wrote to memory of 2756 2656 rundll32.exe 31 PID 2656 wrote to memory of 2756 2656 rundll32.exe 31 PID 2656 wrote to memory of 2756 2656 rundll32.exe 31 PID 2756 wrote to memory of 1100 2756 f77407a.exe 19 PID 2756 wrote to memory of 1156 2756 f77407a.exe 20 PID 2756 wrote to memory of 1196 2756 f77407a.exe 21 PID 2756 wrote to memory of 1684 2756 f77407a.exe 25 PID 2756 wrote to memory of 2084 2756 f77407a.exe 29 PID 2756 wrote to memory of 2656 2756 f77407a.exe 30 PID 2756 wrote to memory of 2656 2756 f77407a.exe 30 PID 2656 wrote to memory of 2720 2656 rundll32.exe 32 PID 2656 wrote to memory of 2720 2656 rundll32.exe 32 PID 2656 wrote to memory of 2720 2656 rundll32.exe 32 PID 2656 wrote to memory of 2720 2656 rundll32.exe 32 PID 2656 wrote to memory of 2968 2656 rundll32.exe 33 PID 2656 wrote to memory of 2968 2656 rundll32.exe 33 PID 2656 wrote to memory of 2968 2656 rundll32.exe 33 PID 2656 wrote to memory of 2968 2656 rundll32.exe 33 PID 2756 wrote to memory of 1100 2756 f77407a.exe 19 PID 2756 wrote to memory of 1156 2756 f77407a.exe 20 PID 2756 wrote to memory of 1196 2756 f77407a.exe 21 PID 2756 wrote to memory of 1684 2756 f77407a.exe 25 PID 2756 wrote to memory of 2720 2756 f77407a.exe 32 PID 2756 wrote to memory of 2720 2756 f77407a.exe 32 PID 2756 wrote to memory of 2968 2756 f77407a.exe 33 PID 2756 wrote to memory of 2968 2756 f77407a.exe 33 PID 2968 wrote to memory of 1100 2968 f775c53.exe 19 PID 2968 wrote to memory of 1156 2968 f775c53.exe 20 PID 2968 wrote to memory of 1196 2968 f775c53.exe 21 PID 2968 wrote to memory of 1684 2968 f775c53.exe 25 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f77407a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f775c53.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\b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b3b774d5fcb0a3a5833ff22abb9993b2ba07a5ddffb30d2263f5ef6a53eedf5b.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Users\Admin\AppData\Local\Temp\f77407a.exeC:\Users\Admin\AppData\Local\Temp\f77407a.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:2756
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C:\Users\Admin\AppData\Local\Temp\f77427c.exeC:\Users\Admin\AppData\Local\Temp\f77427c.exe4⤵
- Executes dropped EXE
PID:2720
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C:\Users\Admin\AppData\Local\Temp\f775c53.exeC:\Users\Admin\AppData\Local\Temp\f775c53.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:2968
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1684
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
MD56b16f289f1ada485aa555d8db79c9d1c
SHA1df06efd88cb7d2d9ea6f0c31365f8683c4a501b8
SHA256c471ec8d035465abd0b1d5bc4baffd47a0b83f5cf2fe5cb0a873defaa41e0856
SHA512a6d1969b15cf1a1f5d9e14729d6f38e604f71db844e447f2f0bba7de0d55ae64107dda1364e74b4b393bf70731a20b4f670471930ddfdf41e36cf0db2761e2aa
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Filesize
97KB
MD50a6432ae40daf843f296bc7509811b40
SHA1934c994b15c91585d8beca017950f7f258aa55e2
SHA2566f97e2bff02b3af1b1753f7c970a8639fe2487d6c5a99cf636a5697054276566
SHA51237f4ecf9d69c2410ab52749d54c2e8a2b8709ead8f2e05c6aea1b17a8469441b6ff9837096239212941e854da6a5624168ee0f6316712a846720ced490a5fed4