Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 11:21
Static task
static1
Behavioral task
behavioral1
Sample
b8a3c5f088ebb3e8e227678f4de67c162fc995a4e726aa0d731a5d77472c34deN.dll
Resource
win7-20240903-en
General
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Target
b8a3c5f088ebb3e8e227678f4de67c162fc995a4e726aa0d731a5d77472c34deN.dll
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Size
120KB
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MD5
31f91bf6ce54b2c97feb8f4676e05e20
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SHA1
781848ed8afe64b32a66e2f5a2348beecd1a9139
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SHA256
b8a3c5f088ebb3e8e227678f4de67c162fc995a4e726aa0d731a5d77472c34de
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SHA512
81067238e3a359629d5ea8cc159732b96aa834873046d9289206136f24e4da7145a7e12baccc4552e23f7b597d678b2f7b0636ccbb4eb1c8d54cadd502864749
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SSDEEP
3072:1kOJG3QLzHogFkNvIH2j/qOqE3Lf2bfte:UUzHJkNl77f2b
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" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76b599.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76b599.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76b599.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b599.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b599.exe -
Executes dropped EXE 3 IoCs
pid Process 1536 f76b3b5.exe 2808 f76b599.exe 1636 f76cf9e.exe -
Loads dropped DLL 6 IoCs
pid Process 2576 rundll32.exe 2576 rundll32.exe 2576 rundll32.exe 2576 rundll32.exe 2576 rundll32.exe 2576 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b3b5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b3b5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76b599.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b3b5.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b599.exe -
Enumerates connected drives 3 TTPs 15 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: f76b3b5.exe File opened (read-only) \??\E: f76b3b5.exe File opened (read-only) \??\G: f76b3b5.exe File opened (read-only) \??\H: f76b3b5.exe File opened (read-only) \??\N: f76b3b5.exe File opened (read-only) \??\T: f76b3b5.exe File opened (read-only) \??\I: f76b3b5.exe File opened (read-only) \??\J: f76b3b5.exe File opened (read-only) \??\L: f76b3b5.exe File opened (read-only) \??\Q: f76b3b5.exe File opened (read-only) \??\K: f76b3b5.exe File opened (read-only) \??\M: f76b3b5.exe File opened (read-only) \??\P: f76b3b5.exe File opened (read-only) \??\S: f76b3b5.exe File opened (read-only) \??\O: f76b3b5.exe -
resource yara_rule behavioral1/memory/1536-18-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-22-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-24-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-23-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-21-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-20-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-19-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-17-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-26-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-25-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-64-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-65-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-66-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-67-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-68-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-70-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-72-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-86-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-89-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-88-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/1536-158-0x00000000006D0000-0x000000000178A000-memory.dmp upx behavioral1/memory/2808-172-0x0000000000920000-0x00000000019DA000-memory.dmp upx behavioral1/memory/2808-194-0x0000000000920000-0x00000000019DA000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f76b423 f76b3b5.exe File opened for modification C:\Windows\SYSTEM.INI f76b3b5.exe File created C:\Windows\f770483 f76b599.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 f76b599.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f76b3b5.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1536 f76b3b5.exe 1536 f76b3b5.exe 2808 f76b599.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 1536 f76b3b5.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe Token: SeDebugPrivilege 2808 f76b599.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2416 wrote to memory of 2576 2416 rundll32.exe 30 PID 2576 wrote to memory of 1536 2576 rundll32.exe 31 PID 2576 wrote to memory of 1536 2576 rundll32.exe 31 PID 2576 wrote to memory of 1536 2576 rundll32.exe 31 PID 2576 wrote to memory of 1536 2576 rundll32.exe 31 PID 1536 wrote to memory of 1056 1536 f76b3b5.exe 18 PID 1536 wrote to memory of 1100 1536 f76b3b5.exe 19 PID 1536 wrote to memory of 1180 1536 f76b3b5.exe 21 PID 1536 wrote to memory of 2040 1536 f76b3b5.exe 23 PID 1536 wrote to memory of 2416 1536 f76b3b5.exe 29 PID 1536 wrote to memory of 2576 1536 f76b3b5.exe 30 PID 1536 wrote to memory of 2576 1536 f76b3b5.exe 30 PID 2576 wrote to memory of 2808 2576 rundll32.exe 32 PID 2576 wrote to memory of 2808 2576 rundll32.exe 32 PID 2576 wrote to memory of 2808 2576 rundll32.exe 32 PID 2576 wrote to memory of 2808 2576 rundll32.exe 32 PID 2576 wrote to memory of 1636 2576 rundll32.exe 34 PID 2576 wrote to memory of 1636 2576 rundll32.exe 34 PID 2576 wrote to memory of 1636 2576 rundll32.exe 34 PID 2576 wrote to memory of 1636 2576 rundll32.exe 34 PID 1536 wrote to memory of 1056 1536 f76b3b5.exe 18 PID 1536 wrote to memory of 1100 1536 f76b3b5.exe 19 PID 1536 wrote to memory of 1180 1536 f76b3b5.exe 21 PID 1536 wrote to memory of 2040 1536 f76b3b5.exe 23 PID 1536 wrote to memory of 2808 1536 f76b3b5.exe 32 PID 1536 wrote to memory of 2808 1536 f76b3b5.exe 32 PID 1536 wrote to memory of 1636 1536 f76b3b5.exe 34 PID 1536 wrote to memory of 1636 1536 f76b3b5.exe 34 PID 2808 wrote to memory of 1056 2808 f76b599.exe 18 PID 2808 wrote to memory of 1100 2808 f76b599.exe 19 PID 2808 wrote to memory of 1180 2808 f76b599.exe 21 PID 2808 wrote to memory of 2040 2808 f76b599.exe 23 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b3b5.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b599.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1056
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1100
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1180
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b8a3c5f088ebb3e8e227678f4de67c162fc995a4e726aa0d731a5d77472c34deN.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b8a3c5f088ebb3e8e227678f4de67c162fc995a4e726aa0d731a5d77472c34deN.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576 -
C:\Users\Admin\AppData\Local\Temp\f76b3b5.exeC:\Users\Admin\AppData\Local\Temp\f76b3b5.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:1536
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C:\Users\Admin\AppData\Local\Temp\f76b599.exeC:\Users\Admin\AppData\Local\Temp\f76b599.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2808
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C:\Users\Admin\AppData\Local\Temp\f76cf9e.exeC:\Users\Admin\AppData\Local\Temp\f76cf9e.exe4⤵
- Executes dropped EXE
PID:1636
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:2040
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
97KB
MD503c23d8729858a25f586e80e63f70e3b
SHA13cf7a5faa8c5c3b4a5b584f6329412bf1a6f364e
SHA25604a4c9b770f2db3c798fe537bef3195e8d35639811e790940d53450cd9ebcf24
SHA5124d387bf17e7703c56b4e2e35c0688c92137750868b41a69a13c9c339c696ce2e85a3ecb2603203a2dcd6c1648fa5ec1bd63e75b12d43d85ddc8b314960e5bb9b
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Filesize
257B
MD5e173a5d838a263d3113905e4ecfac2e5
SHA1384363422e58afc76c1ab0779e9d23247521d995
SHA2565d8ca37a8d27b12260867d9ef6793b784727ddf3186e8535ded9517efc050062
SHA512eb83b873bc4d404824647b430691580a4c3614283a6db7b703b1f334b63b201b10e229a43112865d1eaa39c2982d512f3f874ddf17b8c3e5740517f61e057eaa