Analysis
- max time kernel
118s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
23/08/2022, 14:00
Static task
static1
Behavioral task
behavioral1
Sample
svchost.exe
Resource
win7-20220812-en
windows7-x64
18 signatures
150 seconds
General
- Target svchost.exe
- Size 164KB
- Sample220823-raznlsgba9
- SHA256 11df6b403ee5a2e308eff2382fe7ec896a087d14bbee47ed8a02c0a4d940bccf
- MD5 6b8a2e6c75a58550d3b7d4b09d3604e1
- SHA1 af6668c93f497694e5ed6d7ea59445f60cde31a0
- SHA512 f94eb324d0f794db13aeaed0136908e4a02a4dc34ffc2bdb6f84365ac0038e02b254e1cf61b933562ec60f245080d0c7a9bafad2869e7b23c6671e6b1e4e9303
- SSDEEP 3072:aT2xNfzEmPUac0yCRS9EK0TLmmIhIsY33Trsl1RGS6KSIH6hUNYZFF:OkPpe0mmIt+3crcrh8Mn
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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sality
C2
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http://89.119.67.154/testo5/
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http://kukutrustnet777.info/home.gif
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http://kukutrustnet888.info/home.gif
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http://kukutrustnet987.info/home.gif
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http://www.klkjwre9fqwieluoi.info/
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http://kukutrustnet777888.info/
Signatures
- 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" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" svchost.exe - Executes dropped EXE 1 IoCs
pid Process 4996 WaterMark.exe -
resource yara_rule behavioral2/memory/4740-133-0x00000000028A0000-0x000000000392E000-memory.dmp upx behavioral2/memory/4740-136-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4740-137-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4740-141-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4740-147-0x00000000028A0000-0x000000000392E000-memory.dmp upx behavioral2/memory/4996-149-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4996-150-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4996-151-0x0000000000400000-0x0000000000434000-memory.dmp upx behavioral2/memory/4996-154-0x0000000000400000-0x0000000000421000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe - Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px65E3.tmp svchost.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe svchost.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe svchost.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI svchost.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30979849" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30979849" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "367432293" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AC0A8942-22FC-11ED-B696-520B3B914C01} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30979849" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2161341511" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AC0360BF-22FC-11ED-B696-520B3B914C01} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2154309831" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2154309831" iexplore.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4740 svchost.exe 4740 svchost.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe 4996 WaterMark.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3480 iexplore.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4740 svchost.exe Token: SeDebugPrivilege 4996 WaterMark.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1712 iexplore.exe 3480 iexplore.exe - Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3480 iexplore.exe 3480 iexplore.exe 1712 iexplore.exe 1712 iexplore.exe 3160 IEXPLORE.EXE 3160 IEXPLORE.EXE 3180 IEXPLORE.EXE 3180 IEXPLORE.EXE 3180 IEXPLORE.EXE 3180 IEXPLORE.EXE - Suspicious use of UnmapMainImage 2 IoCs
pid Process 4740 svchost.exe 4996 WaterMark.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4740 wrote to memory of 4996 4740 svchost.exe 83 PID 4740 wrote to memory of 4996 4740 svchost.exe 83 PID 4740 wrote to memory of 4996 4740 svchost.exe 83 PID 4740 wrote to memory of 784 4740 svchost.exe 8 PID 4740 wrote to memory of 788 4740 svchost.exe 14 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 4152 4996 WaterMark.exe 84 PID 4996 wrote to memory of 3480 4996 WaterMark.exe 85 PID 4996 wrote to memory of 3480 4996 WaterMark.exe 85 PID 4996 wrote to memory of 1712 4996 WaterMark.exe 86 PID 4996 wrote to memory of 1712 4996 WaterMark.exe 86 PID 3480 wrote to memory of 3180 3480 iexplore.exe 88 PID 3480 wrote to memory of 3180 3480 iexplore.exe 88 PID 3480 wrote to memory of 3180 3480 iexplore.exe 88 PID 1712 wrote to memory of 3160 1712 iexplore.exe 87 PID 1712 wrote to memory of 3160 1712 iexplore.exe 87 PID 1712 wrote to memory of 3160 1712 iexplore.exe 87 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.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:788
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4740 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:4152
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3480 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3180
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-
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3160
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Microsoft\WaterMark.exe
- Size 164KB
- SHA256 11df6b403ee5a2e308eff2382fe7ec896a087d14bbee47ed8a02c0a4d940bccf
- MD5 6b8a2e6c75a58550d3b7d4b09d3604e1
- SHA1 af6668c93f497694e5ed6d7ea59445f60cde31a0
- SHA512 f94eb324d0f794db13aeaed0136908e4a02a4dc34ffc2bdb6f84365ac0038e02b254e1cf61b933562ec60f245080d0c7a9bafad2869e7b23c6671e6b1e4e9303
- SSDEEP 3072:aT2xNfzEmPUac0yCRS9EK0TLmmIhIsY33Trsl1RGS6KSIH6hUNYZFF:OkPpe0mmIt+3crcrh8Mn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\Microsoft\WaterMark.exe
- Size 164KB
- SHA256 11df6b403ee5a2e308eff2382fe7ec896a087d14bbee47ed8a02c0a4d940bccf
- MD5 6b8a2e6c75a58550d3b7d4b09d3604e1
- SHA1 af6668c93f497694e5ed6d7ea59445f60cde31a0
- SHA512 f94eb324d0f794db13aeaed0136908e4a02a4dc34ffc2bdb6f84365ac0038e02b254e1cf61b933562ec60f245080d0c7a9bafad2869e7b23c6671e6b1e4e9303
- SSDEEP 3072:aT2xNfzEmPUac0yCRS9EK0TLmmIhIsY33Trsl1RGS6KSIH6hUNYZFF:OkPpe0mmIt+3crcrh8Mn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AC0360BF-22FC-11ED-B696-520B3B914C01}.dat
- Size 5KB
- SHA256 20d019c551a3f734a90221266cea624f18e46f92a54a144c65c39ae1aa7265cd
- MD5 6fe307b838b58168c8329641a4709a4c
- SHA1 08a6495c123f569f85ba54004a4817f35e3e0df6
- SHA512 f5e3024e3c19e6acb92202d27aa633bbb6dbdc731d9f26a629f35561256cd91569645d7fd50acfe3151b62dc47e592234a436e151e19c63bd59407c5d5f89006
- SSDEEP 24:rPqGo/QuM5ANGo/qM5zM5879lWKbDqb0buWUbK9lWKbDqb0buWUbUUb:rPqGo4DqNGo/2uCKPqAqn3KPqAqnB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AC0A8942-22FC-11ED-B696-520B3B914C01}.dat
- Size 5KB
- SHA256 0eb0f1ea284077bb2aa715139d6377d59d8090b77f5df2a48c7d70a6ad801510
- MD5 cdca8d47a6a6ea546c47aa4ab37b4d58
- SHA1 b6d39589d836725392d9253bdf545ffc2a869d46
- SHA512 d73598da8909a33a44aa732005add825d101959bc32087712e0e747b709539fe502a2bf6b6a744e0d003614cf751af8ad63085d754ae2d385737e2f73117c184
- SSDEEP 24:rPqGo/QXOM5ANGo/DOM50OM5879lWpVXx1uFK9lWpVXx1uFa:rPqGo4zqNGoP2uCbO9bO
- MD5 SHA1 SHA512 SSDEEP