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Analysis
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max time kernel
147s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28/10/2022, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe
Resource
win7-20220812-en
windows7-x64
16 signatures
150 seconds
General
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Target
428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe
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Size
167KB
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MD5
0c13343f07a1d9b9539ad7c20ceafa90
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SHA1
43d0600bd2c78f3ca64fb86bb7683e402f65785a
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SHA256
428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0
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SHA512
84b34ab0a9ec253b840b8abef9c67da9668e36527752f4b8cb52edc87f149c957af23edeaeb0dfe491af61c496c81d8a2ba6f82c523db1bd748602a784da09a4
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SSDEEP
3072:FNQKPWDyaI0fFJltZrpReFX37geiCf3TWh8d95IfWDg6hPF1Up/a+KN/o:FNSDyaIkFthpmNi7h8H5Zg6hn0iq
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/
http://klkjwre77638dfqwieuoi888.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\DisableNotifications = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral1/memory/360-55-0x0000000002430000-0x00000000034BE000-memory.dmp upx behavioral1/memory/360-57-0x0000000002430000-0x00000000034BE000-memory.dmp upx behavioral1/memory/360-61-0x0000000002430000-0x00000000034BE000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe File opened for modification C:\PROGRAM FILES (X86)\MICROSOFT OFFICE\OFFICE14\BCSSYNC.EXE 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.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 14 IoCs
pid Process 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe Token: SeDebugPrivilege 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 PID 360 wrote to memory of 1128 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 17 PID 360 wrote to memory of 1204 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 16 PID 360 wrote to memory of 1268 360 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe 15 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1268
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C:\Users\Admin\AppData\Local\Temp\428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe"C:\Users\Admin\AppData\Local\Temp\428893bd186021997e920ba0c9e1f9fda44ac29b798785196e97ae52afa3b2a0.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- 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 WriteProcessMemory
- System policy modification
PID:360
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1204
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1128