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Analysis
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max time kernel
122s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/09/2024, 20:20
Static task
static1
Behavioral task
behavioral1
Sample
38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll
Resource
win7-20240903-en
General
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Target
38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll
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Size
120KB
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MD5
ea353d740573cfdd6434b9d1858d65e1
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SHA1
62714fd1ce5fdf8098cf7f273a70c52e22051422
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SHA256
38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084
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SHA512
f9a8ab9c87b9339b3e2094f8afbe946b174b366951e72ea897b98208f258cbc8437994d3d8f1eece246c8ec555ec4124b683583a304f68888e9326ad5084aa0c
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SSDEEP
3072:5d6ocy/DcAyP97/kgZ75jHXwIejXiD/X:5cdyIAyVrkgZ7pXwIezSP
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
Signatures
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Modifies firewall policy service 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f774450.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f774450.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f774450.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f774450.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f774450.exe -
Executes dropped EXE 3 IoCs
pid Process 2724 f774450.exe 2528 f77470e.exe 2376 f775ee2.exe -
Loads dropped DLL 6 IoCs
pid Process 2988 rundll32.exe 2988 rundll32.exe 2988 rundll32.exe 2988 rundll32.exe 2988 rundll32.exe 2988 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f774450.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f774450.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f774450.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f774450.exe -
Enumerates connected drives 3 TTPs 13 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: f774450.exe File opened (read-only) \??\J: f774450.exe File opened (read-only) \??\L: f774450.exe File opened (read-only) \??\M: f774450.exe File opened (read-only) \??\N: f774450.exe File opened (read-only) \??\O: f774450.exe File opened (read-only) \??\P: f774450.exe File opened (read-only) \??\H: f774450.exe File opened (read-only) \??\Q: f774450.exe File opened (read-only) \??\G: f774450.exe File opened (read-only) \??\K: f774450.exe File opened (read-only) \??\R: f774450.exe File opened (read-only) \??\E: f774450.exe -
resource yara_rule behavioral1/memory/2724-13-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-16-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-20-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-39-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-15-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-14-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-21-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-18-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-17-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-19-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-60-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-61-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-62-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-63-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-64-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-66-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-80-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-83-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-82-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-105-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-107-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2724-148-0x00000000006E0000-0x000000000179A000-memory.dmp upx behavioral1/memory/2376-154-0x0000000000900000-0x00000000019BA000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\f7744ec f774450.exe File opened for modification C:\Windows\SYSTEM.INI f774450.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f774450.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2724 f774450.exe 2724 f774450.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe Token: SeDebugPrivilege 2724 f774450.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 3028 wrote to memory of 2988 3028 rundll32.exe 30 PID 2988 wrote to memory of 2724 2988 rundll32.exe 31 PID 2988 wrote to memory of 2724 2988 rundll32.exe 31 PID 2988 wrote to memory of 2724 2988 rundll32.exe 31 PID 2988 wrote to memory of 2724 2988 rundll32.exe 31 PID 2724 wrote to memory of 1108 2724 f774450.exe 19 PID 2724 wrote to memory of 1168 2724 f774450.exe 20 PID 2724 wrote to memory of 1232 2724 f774450.exe 21 PID 2724 wrote to memory of 1640 2724 f774450.exe 23 PID 2724 wrote to memory of 3028 2724 f774450.exe 29 PID 2724 wrote to memory of 2988 2724 f774450.exe 30 PID 2724 wrote to memory of 2988 2724 f774450.exe 30 PID 2988 wrote to memory of 2528 2988 rundll32.exe 32 PID 2988 wrote to memory of 2528 2988 rundll32.exe 32 PID 2988 wrote to memory of 2528 2988 rundll32.exe 32 PID 2988 wrote to memory of 2528 2988 rundll32.exe 32 PID 2988 wrote to memory of 2376 2988 rundll32.exe 33 PID 2988 wrote to memory of 2376 2988 rundll32.exe 33 PID 2988 wrote to memory of 2376 2988 rundll32.exe 33 PID 2988 wrote to memory of 2376 2988 rundll32.exe 33 PID 2724 wrote to memory of 1108 2724 f774450.exe 19 PID 2724 wrote to memory of 1168 2724 f774450.exe 20 PID 2724 wrote to memory of 1232 2724 f774450.exe 21 PID 2724 wrote to memory of 1640 2724 f774450.exe 23 PID 2724 wrote to memory of 2528 2724 f774450.exe 32 PID 2724 wrote to memory of 2528 2724 f774450.exe 32 PID 2724 wrote to memory of 2376 2724 f774450.exe 33 PID 2724 wrote to memory of 2376 2724 f774450.exe 33 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f774450.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1108
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1168
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1232
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\38e543c7b891ec0eb525841c6ce22f8ea3dbd849043749ac78a51ac00b062084.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\f774450.exeC:\Users\Admin\AppData\Local\Temp\f774450.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2724
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C:\Users\Admin\AppData\Local\Temp\f77470e.exeC:\Users\Admin\AppData\Local\Temp\f77470e.exe4⤵
- Executes dropped EXE
PID:2528
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C:\Users\Admin\AppData\Local\Temp\f775ee2.exeC:\Users\Admin\AppData\Local\Temp\f775ee2.exe4⤵
- Executes dropped EXE
PID:2376
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1640
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
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Downloads
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Filesize
97KB
MD5cb1a56f9407a992d6e24e61380ca8ae1
SHA13790d8b46514d5488c8f140a667efb7db933db05
SHA256ff98e20dcccdcd66ebd977c894d14031e8b19ed27398f54b14b2601b32c97268
SHA512ef79790da7a08cb1cdd0e30db60906a5c16e587b6d28a7117d8c67b486f38fddfc9228c24b49d37365c7399b783f2464f8b16dd6f4e838fc6a5167cef2dcddec