Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 07:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
logs/modified_files/C/syspuxm.exe/syspuxm.exe
Resource
win7-20240903-en
windows7-x64
17 signatures
150 seconds
General
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Target
logs/modified_files/C/syspuxm.exe/syspuxm.exe
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Size
70KB
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MD5
bc9fe9457030d81eb55322c89d65c3ff
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SHA1
ab570c602fcd6149976f52ebc35e69324ea9512c
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SHA256
b962405951204905dfd57cab9723d647ea9c5466aefcd5c5a2bac4ddf83a4318
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SHA512
968b173207599b005ae6bd1e2846e2e66d3f30e5a45b583586f0530e10918f2b5828de554151328050b261084e4f8ddc7a1ab4ecb94463b42fb33bbbd679ae70
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SSDEEP
1536:TEmcAe0ey668/xJGQJ0Bva0Ri1ItQ+JWSDg8phvf/:TSA2y6OQJ0VZ4mtX1Dg4hvH
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/
http://klkjwre77638dfqwieuoi888.info/
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" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" syspuxm.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" syspuxm.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" syspuxm.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" syspuxm.exe -
Disables Task Manager via registry modification
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" syspuxm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" syspuxm.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" syspuxm.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" syspuxm.exe -
resource yara_rule behavioral1/memory/2408-2-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-13-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-11-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-9-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-8-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-7-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-6-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-10-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-5-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-12-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-30-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-31-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-32-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-33-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-34-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-36-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-55-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-56-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-60-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-62-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-65-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-85-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-86-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-88-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx behavioral1/memory/2408-91-0x0000000001DE0000-0x0000000002E6E000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\PROGRAM FILES (X86)\MICROSOFT OFFICE\OFFICE14\BCSSYNC.EXE syspuxm.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7z.exe syspuxm.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zFM.exe syspuxm.exe File opened for modification C:\PROGRAM FILES\7-ZIP\7zG.exe syspuxm.exe File opened for modification C:\PROGRAM FILES\7-ZIP\Uninstall.exe syspuxm.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI syspuxm.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 syspuxm.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe 2408 syspuxm.exe -
Suspicious use of AdjustPrivilegeToken 30 IoCs
description pid Process Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe Token: SeDebugPrivilege 2408 syspuxm.exe -
Suspicious use of WriteProcessMemory 61 IoCs
description pid Process procid_target PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 2688 2408 syspuxm.exe 28 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.exe 23 PID 2408 wrote to memory of 1104 2408 syspuxm.exe 19 PID 2408 wrote to memory of 1172 2408 syspuxm.exe 20 PID 2408 wrote to memory of 1196 2408 syspuxm.exe 21 PID 2408 wrote to memory of 1536 2408 syspuxm.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" syspuxm.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1104
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1172
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Users\Admin\AppData\Local\Temp\logs\modified_files\C\syspuxm.exe\syspuxm.exe"C:\Users\Admin\AppData\Local\Temp\logs\modified_files\C\syspuxm.exe\syspuxm.exe"2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- 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:2408
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1536
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:2688
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
5