Analysis
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max time kernel
135s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2023 19:14
Static task
static1
Behavioral task
behavioral1
Sample
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe
Resource
win7-20230220-en
General
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Target
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe
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Size
112KB
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MD5
438c80fc376c0e3d3379ffec5a3bcd74
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SHA1
6da1a89fbe0df57349bbc670af8f82deecb510b9
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SHA256
5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446
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SHA512
87b6bbfd988ce9d398d2d5ac2c75c02b040760120bf0d276dd790adb0497fb330f4f98c76afed8ed3ff6e6541d9442bf0c4ee52c236f43cb601dce7042fcc56f
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SSDEEP
1536:jJg+WBW+f5bB77w0DSnVZsGw+14IUTGReGpBM9FTLPfpXwvdJic5a5a5n:jhLYZB77w0AZsGYIJVpEtjBpB5in
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,,C:\\Users\\Admin\\AppData\\Local\\hddxvevv\\pjukgefm.exe" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Modifies security service 2 TTPs 3 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mpssvc\Start = "4" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Drops startup file 2 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pjukgefm.exe Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pjukgefm.exe Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Processes:
resource yara_rule behavioral2/memory/3936-134-0x0000000015190000-0x00000000151CD000-memory.dmp upx behavioral2/memory/3936-133-0x0000000015190000-0x00000000151CD000-memory.dmp upx behavioral2/memory/3936-140-0x0000000015190000-0x00000000151CD000-memory.dmp upx -
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PjuKgefm = "C:\\Users\\Admin\\AppData\\Local\\hddxvevv\\pjukgefm.exe" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exepid process 3936 Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe 3936 Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe 3936 Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe 3936 Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription pid process Token: SeSecurityPrivilege 3936 Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe"C:\Users\Admin\AppData\Local\Temp\Backdoor.Win32.IRCNite.ihg5616c57686191e6c65808ffe8a436e8d1476b1f6c0765efdb887498b86d4d446.exe"1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3936-134-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/3936-133-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/3936-138-0x00000000006D0000-0x00000000006D1000-memory.dmpFilesize
4KB
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memory/3936-139-0x00000000006E0000-0x00000000006E1000-memory.dmpFilesize
4KB
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memory/3936-140-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB