Analysis Overview
SHA256
f5d566a3c303e7c21c4c3ce40591befc2695c32dd4b26e99dd4116ba66840677
Threat Level: Known bad
The file 2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware was found to be: Known bad.
Malicious Activity Summary
Sality
Windows security bypass
Modifies firewall policy service
UAC bypass
UPX dump on OEP (original entry point)
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality
UPX packed file
Windows security modification
Checks whether UAC is enabled
Enumerates connected drives
Drops autorun.inf file
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-18 21:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-05-18 21:10
Reported
2024-05-18 21:13
Platform
win7-20240508-en
Max time kernel
125s
Max time network
122s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality
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UPX dump on OEP (original entry point)
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UPX packed file
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Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Enumerates connected drives
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7z.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zG.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Microsoft Terminal Services\f76c82f | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Microsoft Windows Network\f76fc49 | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\WORKGROUP\f770944 | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Web Client Network\f77e1a8 | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\f762d19 | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Processes
C:\Windows\system32\taskhost.exe
"taskhost.exe"
C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe"
Network
Files
memory/3008-0-0x0000000000400000-0x0000000000488000-memory.dmp
memory/3008-2-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-4-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-5-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-7-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-6-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-32-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/3008-29-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-31-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/3008-11-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-30-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/3008-8-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-26-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/3008-25-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/1128-17-0x00000000020F0000-0x00000000020F2000-memory.dmp
memory/3008-15-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-16-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-33-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-34-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-35-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-36-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-37-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-39-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-40-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-41-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-44-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-45-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-52-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-54-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-56-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-60-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-64-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-66-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-67-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-69-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-71-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-74-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-75-0x0000000001F00000-0x0000000002FBA000-memory.dmp
memory/3008-98-0x00000000003E0000-0x00000000003E2000-memory.dmp
F:\tbqwio.pif
| MD5 | 8c39f3df6dcf2f33071e7c846ef0ab63 |
| SHA1 | 5e1828500db549b4c4d3e0900dd35b85e2ea068b |
| SHA256 | b8371d1365c9478228bbaacf0023ff658e8231bd9bea17ffd483649c8aa8b77b |
| SHA512 | 78998c71ca01a633548b3b4f34f7dce1892e71bee882d69546c4a03b2d0883808a0fadf106ad1b8a64b8fecd92d359bc3d0dc5843777488570ecea66878ad520 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-18 21:10
Reported
2024-05-18 21:13
Platform
win10v2004-20240508-en
Max time kernel
124s
Max time network
112s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality
| Description | Indicator | Process | Target |
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UPX dump on OEP (original entry point)
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UPX packed file
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Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Enumerates connected drives
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\7-Zip\7zFM.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7z.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\7zG.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\7-Zip\Uninstall.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\e573bd0 | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Microsoft Terminal Services\e57f01d | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Microsoft Windows Network\e58244c | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| File created | C:\Windows\Web Client Network\e5867ec | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe | N/A |
Processes
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\dwm.exe
"dwm.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-18_82ba4743722a3621169dd7a3a67a3413_bkransomware.exe"
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/744-0-0x0000000000400000-0x0000000000488000-memory.dmp
memory/744-1-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-6-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-16-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-5-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-8-0x00000000034B0000-0x00000000034B2000-memory.dmp
memory/744-4-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-3-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-9-0x00000000041E0000-0x00000000041E1000-memory.dmp
memory/744-15-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-7-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-20-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-19-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-18-0x00000000034B0000-0x00000000034B2000-memory.dmp
memory/744-17-0x00000000034B0000-0x00000000034B2000-memory.dmp
memory/744-21-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-22-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-23-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-24-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-26-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-25-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-29-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-30-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-32-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-34-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-36-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-37-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-39-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-42-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-43-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-45-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-47-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-48-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-49-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-50-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-51-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-57-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-59-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-61-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-63-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-65-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-67-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-70-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-71-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-73-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-76-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-77-0x0000000002360000-0x000000000341A000-memory.dmp
memory/744-78-0x00000000034B0000-0x00000000034B2000-memory.dmp
C:\bhbyob.pif
| MD5 | 0021eae91591233e7b8452c5b37603ef |
| SHA1 | efbe608d442987aacb74b80e7aa5f690bbb56ddf |
| SHA256 | a70e8897136d50c28161be4b178424f01164e157f05161e48b540f1cb64d8b6b |
| SHA512 | aee8ac2cd5469a4773d0272d2ab4d9bfa8e5743d4fb3b38e8095d0be4023cab4b15a61b633bc3d9c23afda82c0e1a45650621428bbc1c568302478f28dc5d0e7 |