Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 05:56
Static task
static1
Behavioral task
behavioral1
Sample
f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe
Resource
win7-20240903-en
General
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Target
f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe
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Size
176KB
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MD5
c9567bfe37a45f6807c0b8efa58708be
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SHA1
3bbe0f649376f3b77593dc70a5ace0b3a31f289b
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SHA256
f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3
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SHA512
901c784cc7e81e4bca3782846b42b3543327983126fc025bd1ace833025da6f7ef8840b90c44cf4f42ec76490c0890194cf051c064c1bf7bcbf8ed3c80bc2cc6
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SSDEEP
3072:W4dkMa8usOxTBI/j6/aBI8uiSiZjGqY1zY39KELBJ5LkbEW+d0c0irf:mcAu2CBI8uR0A0NKELB7kb9NUrf
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 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Ramnit family
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Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Disables Task Manager via registry modification
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Loads dropped DLL 1 IoCs
pid Process 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
resource yara_rule behavioral2/memory/2644-8-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-15-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-19-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-5-0x0000000002A30000-0x0000000003ABE000-memory.dmp upx behavioral2/memory/2644-14-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-12-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-22-0x0000000002A30000-0x0000000003ABE000-memory.dmp upx behavioral2/memory/2644-10-0x0000000002A30000-0x0000000003ABE000-memory.dmp upx behavioral2/memory/2644-7-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-6-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2644-2-0x0000000002A30000-0x0000000003ABE000-memory.dmp upx -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SYSTEM.INI f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2956 2644 WerFault.exe 81 -
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 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe Token: SeDebugPrivilege 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2644 wrote to memory of 780 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe 8 PID 2644 wrote to memory of 788 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe 9 PID 2644 wrote to memory of 340 2644 f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe 13 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe
Processes
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:780
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:788
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:340
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C:\Users\Admin\AppData\Local\Temp\f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe"C:\Users\Admin\AppData\Local\Temp\f5121b574648f600b6345c49c2e6fe1f699dd8b7e30f5f8941bab1e6bfb6b8d3.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 6762⤵
- Program crash
PID:2956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2644 -ip 26441⤵PID:4688
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
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219