Analysis
- max time kernel
121s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
17/06/2024, 01:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe
Resource
win7-20240221-en
windows7-x64
17 signatures
150 seconds
General
- Target a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe
- Size 707KB
- Sample240617-bn16laxeqa
- SHA256 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16
- MD5 a0c14900b386365888755c6d66268f9e
- SHA1 9751d2dc253c517b49cef93057e7ddcf94bb97f2
- SHA512 3a30f306faf898ed912563172da4d2d305a9fa50664e5d444ed003383c7e8b253fc12219fffaa8a42683e1e571c32d2335abdb3785d69eee327f9d9893c0c723
- SSDEEP 12288:fJFZqYMOaQ0q9nV/zsnK23KHVI6nodVdyMLiqyVcxwtVxgpMiuzOT/FS799xw:hFZqhOBnVyK23C6OoYMLiVcKtVx4Miue
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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sality
C2
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http://89.119.67.154/testo5/
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http://kukutrustnet777.info/home.gif
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http://kukutrustnet888.info/home.gif
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http://kukutrustnet987.info/home.gif
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http://www.klkjwre9fqwieluoi.info/
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http://kukutrustnet777888.info/
Signatures
- 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" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 12 IoCs
resource yara_rule behavioral1/memory/2904-7-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-1-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-6-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-11-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-9-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-8-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-30-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-28-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-5-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-4-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-10-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2904-33-0x0000000001F10000-0x0000000002F9E000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine - UPX dump on OEP (original entry point) 16 IoCs
resource yara_rule behavioral1/memory/2904-2-0x0000000000400000-0x00000000005A9000-memory.dmp UPX behavioral1/memory/2904-7-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-1-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-6-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-21-0x0000000000400000-0x00000000005A9000-memory.dmp UPX behavioral1/memory/2904-11-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-9-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-8-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-31-0x0000000000400000-0x00000000005A9000-memory.dmp UPX behavioral1/memory/2904-30-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-28-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-5-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-4-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-10-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-33-0x0000000001F10000-0x0000000002F9E000-memory.dmp UPX behavioral1/memory/2904-47-0x0000000000400000-0x00000000005A9000-memory.dmp UPX -
resource yara_rule behavioral1/memory/2904-7-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-1-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-6-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-11-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-9-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-8-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-30-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-28-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-5-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-4-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-10-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx behavioral1/memory/2904-33-0x0000000001F10000-0x0000000002F9E000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\v: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\w: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\b: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\g: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\h: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\l: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\p: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\x: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\a: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\i: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\m: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\q: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\t: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\u: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\y: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\e: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\k: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\n: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\o: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\r: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\j: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\s: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe File opened (read-only) \??\z: a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe Token: SeDebugPrivilege 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2904 wrote to memory of 1116 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 19 PID 2904 wrote to memory of 1168 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 20 PID 2904 wrote to memory of 1196 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 21 PID 2904 wrote to memory of 1652 2904 a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe 23 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1116
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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:1196
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C:\Users\Admin\AppData\Local\Temp\a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe"C:\Users\Admin\AppData\Local\Temp\a5faf4e08934c3e4dd4bc630084f0a6839bc4d454ea369b47ec955c2f62f8f16.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2904
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1652
Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege 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
3Disable or Modify Tools
3Modify Registry
5Pre-OS Boot
1Bootkit
1