Analysis
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max time kernel
140s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
21/11/2022, 08:44
Static task
static1
Behavioral task
behavioral1
Sample
7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe
Resource
win7-20221111-en
windows7-x64
12 signatures
150 seconds
General
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Target
7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe
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Size
233KB
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MD5
4051b5dcd4c4d49516f8b0e9fd385440
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SHA1
ed84b2595d5e1d7da16d5add6be97bff840433d5
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SHA256
7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065
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SHA512
ee82019dc5a90144b16aa5d4fb1f048cb5214b7eea680c5f432ac02320b9fe1cdc3af86745d84ba9a5e6a4f851f8ba3b84134024c84a9cc91cffd8f337663544
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SSDEEP
3072:eU/hOTLlty9ysOwM7r+5EtaDVYDVf4Tdm156+tqxrGnFcjJqruV58tL:90TLlty96+5Tf+turyWjJqc5a
Malware Config
Extracted
Family
sality
C2
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 2 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
resource yara_rule behavioral2/memory/4700-133-0x0000000002230000-0x00000000032EA000-memory.dmp upx behavioral2/memory/4700-135-0x0000000002230000-0x00000000032EA000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\e566b32 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe File opened for modification C:\Windows\SYSTEM.INI 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe Token: SeDebugPrivilege 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4700 wrote to memory of 768 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe 8 PID 4700 wrote to memory of 776 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe 14 PID 4700 wrote to memory of 1020 4700 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe 10 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:768
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:1020
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:776
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C:\Users\Admin\AppData\Local\Temp\7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe"C:\Users\Admin\AppData\Local\Temp\7a1be54ad9ead7ff96d7146e6e091f117f70b7a973986e71e0aeecdbd7ff7065.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4700