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Analysis
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max time kernel
140s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 19:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe
Resource
win7-20220812-en
windows7-x64
14 signatures
150 seconds
General
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Target
ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe
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Size
163KB
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MD5
0f9a3bebdaec74bec428bde77783d8c0
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SHA1
159c3184009909a91032d9f0f4f14bc0366b3cd2
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SHA256
ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0
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SHA512
9a13acfeb8a5e069349c31664a209dc8fc45b5827c4be9dc67a92565e6ef33563b4cbf24dd2d1261fdca2edef44a4a7d879901d269eca78cfbdbd833f81391ff
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SSDEEP
3072:IsWFDfhU4hJJjeBav73ZPK0AwDxgwSGF+uhFgtsxJg:Jp23eGywmwSGFNQ
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
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
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" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
resource yara_rule behavioral2/memory/2476-132-0x0000000002390000-0x000000000341E000-memory.dmp upx behavioral2/memory/2476-134-0x0000000002390000-0x000000000341E000-memory.dmp upx behavioral2/memory/2476-135-0x0000000002390000-0x000000000341E000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe File opened (read-only) \??\F: ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe Token: SeDebugPrivilege 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2476 wrote to memory of 784 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 9 PID 2476 wrote to memory of 792 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 10 PID 2476 wrote to memory of 1016 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 11 PID 2476 wrote to memory of 2620 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 40 PID 2476 wrote to memory of 2696 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 39 PID 2476 wrote to memory of 2884 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 38 PID 2476 wrote to memory of 2648 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 36 PID 2476 wrote to memory of 2580 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 34 PID 2476 wrote to memory of 3276 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 33 PID 2476 wrote to memory of 3376 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 32 PID 2476 wrote to memory of 3440 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 31 PID 2476 wrote to memory of 3528 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 30 PID 2476 wrote to memory of 3688 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 29 PID 2476 wrote to memory of 4700 2476 ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe 26 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:784
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:792
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:1016
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:4700
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3688
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:3528
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵PID:3440
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3376
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:3276
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:2580
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C:\Users\Admin\AppData\Local\Temp\ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe"C:\Users\Admin\AppData\Local\Temp\ac830e31cc68c1a67b281b4abeb8be74b3df0740883158fea00ad5d32c731bf0.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2476
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2648
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2884
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2696
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2620