Analysis
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max time kernel
146s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
30-06-2024 21:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe
Resource
win7-20240508-en
General
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Target
2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe
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Size
524KB
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MD5
21202d527bb25a3d3d5d9a3120cbb010
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SHA1
b97381cd878b90b4d88afd8068d2055602d4b663
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SHA256
883552dd63280cad78c0b565fbcd1d86f341f9cf9efae85130397da08f6b0a36
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SHA512
aa7812e19fcec72dcf508028d9b902adf68da20f6dbaced5acd2ef5e205f418d60086518b815eb160a336e01ddbf5e318e8668c28ea7fe3587c9a1e53807c23b
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SSDEEP
6144:KR2N0LGuHjvd1YTss408BomB8ePhrlp49MPOGyf3/09tAFP4syvIFWaCM:KRFrYhOJPhrlOwOaW4pISM
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" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 11 IoCs
resource yara_rule behavioral1/memory/2932-2-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-8-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-10-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-24-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-7-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-5-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-12-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-11-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-4-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-9-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine behavioral1/memory/2932-6-0x0000000001EC0000-0x0000000002F7A000-memory.dmp INDICATOR_EXE_Packed_SimplePolyEngine -
UPX dump on OEP (original entry point) 12 IoCs
resource yara_rule behavioral1/memory/2932-2-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-8-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-10-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-24-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-23-0x0000000000400000-0x0000000000488000-memory.dmp UPX behavioral1/memory/2932-7-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-5-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-12-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-11-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-4-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-9-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX behavioral1/memory/2932-6-0x0000000001EC0000-0x0000000002F7A000-memory.dmp UPX -
resource yara_rule behavioral1/memory/2932-2-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-8-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-10-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-24-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-7-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-5-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-12-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-11-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-4-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-9-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx behavioral1/memory/2932-6-0x0000000001EC0000-0x0000000002F7A000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\f76204d 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe File opened for modification C:\Windows\SYSTEM.INI 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2932 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2932 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe 2932 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe 2932 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-30_21202d527bb25a3d3d5d9a3120cbb010_bkransomware.exe"1⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2932
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1