Analysis
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max time kernel
96s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 07:19
Static task
static1
Behavioral task
behavioral1
Sample
f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe
Resource
win7-20240903-en
General
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Target
f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe
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Size
3.6MB
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MD5
6aa8052efb0a4cd7efa9a7949264ff59
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SHA1
0dc53f15ec063c548b592a1e343c6a334d3005af
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SHA256
f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7
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SHA512
391b4dbbac16862335873d900dcec16cfd116e37b7c4f06647d80d6a76e5afa01dd840f8df678dc7a336ab5d15720b80dd1d58e2efb08543c7ca1b9c3c8ffcd6
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SSDEEP
98304:BCsSjxbYqOp6HsGXxc4iXufIJPZxwYbHcH:BgpYqdXO6wJPbj8H
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" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
resource yara_rule behavioral2/memory/1216-3-0x0000000000AD0000-0x0000000001B8A000-memory.dmp upx -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\e575fb4 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.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 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1216 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe 1216 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe 1216 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe 1216 f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe"C:\Users\Admin\AppData\Local\Temp\f431d6d38615156c5024f731c96ef6ef79063e42923cdcf2f66b246c21107be7.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- System policy modification
PID:1216
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