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Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/12/2024, 06:00
Static task
static1
Behavioral task
behavioral1
Sample
b435d7d652275220bcab045c38dba268fae2d8b9745a76a9c24f167679ac7e66.dll
Resource
win7-20240903-en
General
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Target
b435d7d652275220bcab045c38dba268fae2d8b9745a76a9c24f167679ac7e66.dll
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Size
120KB
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MD5
eb06ec5bbd7fe7d8029157af008eda5e
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SHA1
5129d5ca0b4302383eb2423d3e8c92843ef75886
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SHA256
b435d7d652275220bcab045c38dba268fae2d8b9745a76a9c24f167679ac7e66
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SHA512
c02c7ebaa65ef7f0ac0dc5f405092af8ecbfcfb9e332783f042a7ce91af2fe9774c7acb0b5270bb1d3cf9259fd87afed00619a44d0938e80fa2058147a3d2622
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SSDEEP
3072:X28UYZ6+Zh4gRzozufNKXVHvbXSJWsq8N:X28z6ArEzMgXVHvbC1q8
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" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76ed8a.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76ed8a.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76ed8a.exe -
Executes dropped EXE 3 IoCs
pid Process 2380 f76cf12.exe 2780 f76d0e6.exe 2680 f76ed8a.exe -
Loads dropped DLL 6 IoCs
pid Process 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe 1940 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76cf12.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76ed8a.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76ed8a.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76ed8a.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76ed8a.exe -
Enumerates connected drives 3 TTPs 17 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: f76cf12.exe File opened (read-only) \??\N: f76cf12.exe File opened (read-only) \??\O: f76cf12.exe File opened (read-only) \??\E: f76cf12.exe File opened (read-only) \??\G: f76cf12.exe File opened (read-only) \??\Q: f76cf12.exe File opened (read-only) \??\S: f76cf12.exe File opened (read-only) \??\T: f76cf12.exe File opened (read-only) \??\E: f76ed8a.exe File opened (read-only) \??\H: f76cf12.exe File opened (read-only) \??\P: f76cf12.exe File opened (read-only) \??\R: f76cf12.exe File opened (read-only) \??\J: f76cf12.exe File opened (read-only) \??\M: f76cf12.exe File opened (read-only) \??\G: f76ed8a.exe File opened (read-only) \??\K: f76cf12.exe File opened (read-only) \??\L: f76cf12.exe -
resource yara_rule behavioral1/memory/2380-19-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-14-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-16-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-18-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-25-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-24-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-23-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-22-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-20-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-17-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-63-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-64-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-65-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-66-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-67-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-69-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-70-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-71-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-72-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-88-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-89-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2380-160-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2680-176-0x0000000000A80000-0x0000000001B3A000-memory.dmp upx behavioral1/memory/2680-216-0x0000000000A80000-0x0000000001B3A000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f76cf60 f76cf12.exe File opened for modification C:\Windows\SYSTEM.INI f76cf12.exe File created C:\Windows\f771fc0 f76ed8a.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 f76cf12.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f76ed8a.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2380 f76cf12.exe 2380 f76cf12.exe 2680 f76ed8a.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2380 f76cf12.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe Token: SeDebugPrivilege 2680 f76ed8a.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 2540 wrote to memory of 1940 2540 rundll32.exe 31 PID 1940 wrote to memory of 2380 1940 rundll32.exe 32 PID 1940 wrote to memory of 2380 1940 rundll32.exe 32 PID 1940 wrote to memory of 2380 1940 rundll32.exe 32 PID 1940 wrote to memory of 2380 1940 rundll32.exe 32 PID 2380 wrote to memory of 1108 2380 f76cf12.exe 19 PID 2380 wrote to memory of 1172 2380 f76cf12.exe 20 PID 2380 wrote to memory of 1216 2380 f76cf12.exe 21 PID 2380 wrote to memory of 1608 2380 f76cf12.exe 25 PID 2380 wrote to memory of 2540 2380 f76cf12.exe 30 PID 2380 wrote to memory of 1940 2380 f76cf12.exe 31 PID 2380 wrote to memory of 1940 2380 f76cf12.exe 31 PID 1940 wrote to memory of 2780 1940 rundll32.exe 33 PID 1940 wrote to memory of 2780 1940 rundll32.exe 33 PID 1940 wrote to memory of 2780 1940 rundll32.exe 33 PID 1940 wrote to memory of 2780 1940 rundll32.exe 33 PID 1940 wrote to memory of 2680 1940 rundll32.exe 34 PID 1940 wrote to memory of 2680 1940 rundll32.exe 34 PID 1940 wrote to memory of 2680 1940 rundll32.exe 34 PID 1940 wrote to memory of 2680 1940 rundll32.exe 34 PID 2380 wrote to memory of 1108 2380 f76cf12.exe 19 PID 2380 wrote to memory of 1172 2380 f76cf12.exe 20 PID 2380 wrote to memory of 1216 2380 f76cf12.exe 21 PID 2380 wrote to memory of 1608 2380 f76cf12.exe 25 PID 2380 wrote to memory of 2780 2380 f76cf12.exe 33 PID 2380 wrote to memory of 2780 2380 f76cf12.exe 33 PID 2380 wrote to memory of 2680 2380 f76cf12.exe 34 PID 2380 wrote to memory of 2680 2380 f76cf12.exe 34 PID 2680 wrote to memory of 1108 2680 f76ed8a.exe 19 PID 2680 wrote to memory of 1172 2680 f76ed8a.exe 20 PID 2680 wrote to memory of 1216 2680 f76ed8a.exe 21 PID 2680 wrote to memory of 1608 2680 f76ed8a.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" f76cf12.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76ed8a.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1108
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1172
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1216
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b435d7d652275220bcab045c38dba268fae2d8b9745a76a9c24f167679ac7e66.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b435d7d652275220bcab045c38dba268fae2d8b9745a76a9c24f167679ac7e66.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\Temp\f76cf12.exeC:\Users\Admin\AppData\Local\Temp\f76cf12.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:2380
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C:\Users\Admin\AppData\Local\Temp\f76d0e6.exeC:\Users\Admin\AppData\Local\Temp\f76d0e6.exe4⤵
- Executes dropped EXE
PID:2780
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C:\Users\Admin\AppData\Local\Temp\f76ed8a.exeC:\Users\Admin\AppData\Local\Temp\f76ed8a.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:2680
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1608
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
MD5ce8607c78b7e11a371f916a311fdb2af
SHA1b4229cb1346863d1222b14e20f76ff2c712bb29f
SHA256d4c1c8ad3e556788ef497d9bc68a7d1adc465e0b3547dd46dfd2fc51273ff32c
SHA5129ee5eae0335074e71d2b87486610a905ac871c1cada6833fcd59d2e891fc4628ad2f48145f4b4ac54733bfed9f13424877ec0d8fca9eb08f94c81103a4cf51e1
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Filesize
97KB
MD5f6e79b514871113de167aff0739c9fb4
SHA15f8eac3ab6a2bf250db2ee0ea0058e9cdeb43611
SHA2568d13c7d78d0c54359fe70a4649f817d8e880af43515460120c4308e5d447d6ef
SHA512a9e2ba8d25ea1354fab0a9a33aa1e6984a6762fe1a68f624ad2c62f22db2db961cfcb63db5f6c9b0bd3b82c113efdbc05f3e8abbc2b5c1059277cb96a3ba17bd