Analysis
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max time kernel
151s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 17:01
Static task
static1
Behavioral task
behavioral1
Sample
b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe
Resource
win7-20220901-en
windows7-x64
18 signatures
150 seconds
General
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Target
b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe
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Size
127KB
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MD5
0ebd3c638fd195494b2005fc59f6e3ef
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SHA1
3894b4db55c7107f671124b17dc8cbcdc677727d
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SHA256
b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88
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SHA512
107a7094e6f63381cc300becda5b695dcfe1bea0df9894fcf060036de8b3e5910f65b8ca87a5ff37bda54d6f936e9f17c0d97c58b4511c52124b404ab9032063
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SSDEEP
3072:Q/Cr65ZQS7S6argfRgqhDOgmzWT6oRsLJ2nAokHhw:Q/Crsah6aUfRLOg60i4APO
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" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral1/memory/1552-55-0x0000000001D50000-0x0000000002DDE000-memory.dmp upx behavioral1/memory/1552-58-0x0000000001D50000-0x0000000002DDE000-memory.dmp upx behavioral1/memory/1552-61-0x0000000001D50000-0x0000000002DDE000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\U: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\W: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\G: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\K: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\P: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\Q: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\R: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\H: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\J: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\L: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\V: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\X: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\N: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\Z: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\S: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\Y: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\E: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\F: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\I: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\M: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened (read-only) \??\O: b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.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 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Suspicious use of AdjustPrivilegeToken 19 IoCs
description pid Process Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe Token: SeDebugPrivilege 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 PID 1552 wrote to memory of 1132 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 9 PID 1552 wrote to memory of 1188 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 15 PID 1552 wrote to memory of 1220 1552 b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe 14 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1132
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1220
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C:\Users\Admin\AppData\Local\Temp\b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe"C:\Users\Admin\AppData\Local\Temp\b4aa6dc421376984067ccb1d530fca03f3f111479995fd070bb6fb527382ec88.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- 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:1552
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1188