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Analysis
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max time kernel
39s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 13:20
Static task
static1
Behavioral task
behavioral1
Sample
7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe
Resource
win7-20220812-en
General
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Target
7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe
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Size
271KB
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MD5
961717f84c8e81fe2c3b21754460900d
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SHA1
7af3b30d3a3d70dff74331d5e502f6f6863fb29a
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SHA256
7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f
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SHA512
008809159f2407288087773761d84c19db4fca76b68691aa3c7228a7b0d0adc474ea8b73ca977ec819a4caa7651ce63f7aaefe690dbde94a046450dbb800d42a
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SSDEEP
6144:/u2urzh1xu/XkauuIN+fY3HqOhzyuX6R+N1KdRBIrNuYRs:/utrzh1xOXkJbKOhzv12Kta
Malware Config
Extracted
sality
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" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
resource yara_rule behavioral1/memory/1872-56-0x0000000001FD0000-0x000000000305E000-memory.dmp upx behavioral1/memory/1872-57-0x0000000001FD0000-0x000000000305E000-memory.dmp upx behavioral1/memory/1872-60-0x0000000001FD0000-0x000000000305E000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe Token: SeDebugPrivilege 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1872 wrote to memory of 1252 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe 14 PID 1872 wrote to memory of 1344 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe 17 PID 1872 wrote to memory of 1408 1872 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe 16 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1252
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1408
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C:\Users\Admin\AppData\Local\Temp\7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe"C:\Users\Admin\AppData\Local\Temp\7d4551aadf71d107d63a938b505e295ab6deb04cb3e903d69689eee12c77ba6f.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1872
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1344