Analysis
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max time kernel
177s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 06:58
Static task
static1
Behavioral task
behavioral1
Sample
f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe
Resource
win7-20221111-en
windows7-x64
16 signatures
150 seconds
General
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Target
f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe
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Size
100KB
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MD5
0f325395e4a9c232bd1bb92c0c465906
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SHA1
56d2f911d2b46464363d7445fc6c734fa220f18f
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SHA256
f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e
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SHA512
344ac1533cedd6b597df523da4fe1ddee0c5f7d1b4e80690a204dadbebd2e05ecb21d922d5683b72e897c0b98137b07c476fdad978e4e4a5283971aea5ea0580
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SSDEEP
3072:++W0HK0K/mj+qI3Da6xNVdWLL/XHuNulfWl0+FJ:7BqLmj0DpVAnvHuIlfoJ
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" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
resource yara_rule behavioral1/memory/1428-56-0x0000000001D60000-0x0000000002DEE000-memory.dmp upx behavioral1/memory/1428-59-0x0000000001D60000-0x0000000002DEE000-memory.dmp upx -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.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) \??\O: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\Q: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\Z: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\G: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\I: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\J: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\S: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\T: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\R: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\F: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\H: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\K: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\L: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\M: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\N: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\P: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\V: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\W: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\E: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\U: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\X: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe File opened (read-only) \??\Y: f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.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 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.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 12 IoCs
pid Process 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe Token: SeDebugPrivilege 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 14 PID 1428 wrote to memory of 1176 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 16 PID 1428 wrote to memory of 1276 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe 15 PID 1428 wrote to memory of 1312 1428 f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.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" f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1312
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C:\Users\Admin\AppData\Local\Temp\f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.exe"C:\Users\Admin\AppData\Local\Temp\f5b737aa026bf214e0955b5cc51fedd5b606cc5e91e65451c0ad2e717fcc8f7e.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:1428
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1276
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1176