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Analysis
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max time kernel
233s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/02/2023, 13:42
Static task
static1
Behavioral task
behavioral1
Sample
39965d1a222c8b6e2dede1c643b2c37f36350e20.exe
Resource
win7-20221111-en
windows7-x64
16 signatures
150 seconds
General
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Target
39965d1a222c8b6e2dede1c643b2c37f36350e20.exe
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Size
100KB
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MD5
2a2cd11a9618ff78cd34f4476961f2ec
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SHA1
39965d1a222c8b6e2dede1c643b2c37f36350e20
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SHA256
fad1f13d59e525295b771452a0028a745dfb1e875cad1fc678597a8f2dd11c93
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SHA512
81456782f19f579108e4a2ba1f7ab58a3802843fc64e79eb78a7927381c9ecf769759b8b611270cd4f5ef3c8ff18548d97efe96d7cf39d1c153cd53679c4399b
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SSDEEP
3072:LYuGmVJxBwObn+rkGjPWATQCwik74Da7:06VJxB5b+NhViMO
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" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
resource yara_rule behavioral1/memory/568-55-0x0000000001D70000-0x0000000002DFE000-memory.dmp upx behavioral1/memory/568-57-0x0000000001D70000-0x0000000002DFE000-memory.dmp upx behavioral1/memory/568-61-0x0000000001D70000-0x0000000002DFE000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 39965d1a222c8b6e2dede1c643b2c37f36350e20.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) \??\N: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\O: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\Q: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\T: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\V: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\F: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\G: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\M: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\R: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\U: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\W: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\X: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\Z: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\H: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\I: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\P: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\S: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\E: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\J: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\K: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\L: 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened (read-only) \??\Y: 39965d1a222c8b6e2dede1c643b2c37f36350e20.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 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 39965d1a222c8b6e2dede1c643b2c37f36350e20.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 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe Token: SeDebugPrivilege 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe -
Suspicious use of WriteProcessMemory 42 IoCs
description pid Process procid_target PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 PID 568 wrote to memory of 1132 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 11 PID 568 wrote to memory of 1192 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 19 PID 568 wrote to memory of 1260 568 39965d1a222c8b6e2dede1c643b2c37f36350e20.exe 12 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 39965d1a222c8b6e2dede1c643b2c37f36350e20.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:1260
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C:\Users\Admin\AppData\Local\Temp\39965d1a222c8b6e2dede1c643b2c37f36350e20.exe"C:\Users\Admin\AppData\Local\Temp\39965d1a222c8b6e2dede1c643b2c37f36350e20.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- 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:568
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1192