Analysis
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max time kernel
54s -
max time network
113s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28-10-2022 21:43
Static task
static1
Behavioral task
behavioral1
Sample
7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe
Resource
win7-20220812-en
windows7-x64
13 signatures
150 seconds
General
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Target
7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe
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Size
97KB
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MD5
0cf7dd18919eceff8dd3cb7fdedcbe4c
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SHA1
c02b7b6b5ae73a69f5beb7c266b599d90fb26503
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SHA256
7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd
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SHA512
169e6c542b2201c4e471ad1ed20bddb2e2f7ddbb9930d6919d1a2c5650e11c26aa28095d9b0ef7202bbb0afafea242bb0d166cd3c3c540f172e91273db46ff5e
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SSDEEP
1536:m4dMnmS2M+RKqM5RCZ/g7LHAu11MYS40fXLYKEsYIsgH2tdWEEAA38:p+mSz+R3M5RCI7LgOiTuNhvWzAAs
Malware Config
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\DoNotAllowExceptions = "0" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
resource yara_rule behavioral1/memory/916-55-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/916-57-0x00000000005D0000-0x000000000168A000-memory.dmp upx behavioral1/memory/916-61-0x00000000005D0000-0x000000000168A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
Enumerates connected drives 3 TTPs 15 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\Q: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\R: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\E: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\F: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\G: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\K: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\P: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\S: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\H: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\I: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\J: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\L: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\M: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened (read-only) \??\O: 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\6c47f9 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe File opened for modification C:\Windows\SYSTEM.INI 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.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 4 IoCs
pid Process 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe Token: SeDebugPrivilege 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 916 wrote to memory of 1128 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 21 PID 916 wrote to memory of 1188 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 20 PID 916 wrote to memory of 1216 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 12 PID 916 wrote to memory of 1128 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 21 PID 916 wrote to memory of 1188 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 20 PID 916 wrote to memory of 1216 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 12 PID 916 wrote to memory of 1128 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 21 PID 916 wrote to memory of 1188 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe 20 PID 916 wrote to memory of 1216 916 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.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" 7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1216
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C:\Users\Admin\AppData\Local\Temp\7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.exe"C:\Users\Admin\AppData\Local\Temp\7affa741d59c6e8ff2b7c01edb59cddc7f988196927b9143ea712d26284e13cd.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:916
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1188
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1128