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Analysis
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max time kernel
147s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2024, 14:13
Behavioral task
behavioral1
Sample
b2557187fa21cd913b1dc3155f2ddda4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b2557187fa21cd913b1dc3155f2ddda4.exe
Resource
win10v2004-20240226-en
General
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Target
b2557187fa21cd913b1dc3155f2ddda4.exe
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Size
162KB
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MD5
b2557187fa21cd913b1dc3155f2ddda4
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SHA1
e478378377453631227b322c18100e354e12dcab
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SHA256
0d95bbeb32ab569237edada99840347966c9248ac8dc22396231a7539d22bd0b
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SHA512
82e183b0ff081906201600cb024bcbcb8584068bab611ae3671516cce06ea18fe52c73be78505e8cbac839401b0a5818bc5f8d5f27aa4b262db7bf0a4d5d7f1e
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SSDEEP
3072:8s2K4csi8LmPoHKpdcy4hq3+et8KIZT6koFbgJYSGIHcD7aikBk94E9x9mMwb:VVe3L4p2Zg3bKKIQkolaYSG2ZBTKm
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b2557187fa21cd913b1dc3155f2ddda4.exe:*:Enabled:Windows Messanger" reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Adobbe\new.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe:*:Enabled:Windows Messanger" reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run b2557187fa21cd913b1dc3155f2ddda4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\WinDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe" b2557187fa21cd913b1dc3155f2ddda4.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1BCBBEFD-3CD8-21DE-6012-8DCAECDD9EEC} b2557187fa21cd913b1dc3155f2ddda4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1BCBBEFD-3CD8-21DE-6012-8DCAECDD9EEC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe" b2557187fa21cd913b1dc3155f2ddda4.exe Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{1BCBBEFD-3CD8-21DE-6012-8DCAECDD9EEC} b2557187fa21cd913b1dc3155f2ddda4.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{1BCBBEFD-3CD8-21DE-6012-8DCAECDD9EEC}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe" b2557187fa21cd913b1dc3155f2ddda4.exe -
resource yara_rule behavioral2/memory/4864-0-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral2/memory/4864-10-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral2/memory/4864-13-0x0000000000400000-0x0000000000473000-memory.dmp upx behavioral2/memory/4864-16-0x0000000000400000-0x0000000000473000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe" b2557187fa21cd913b1dc3155f2ddda4.exe Set value (str) \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinDefender = "C:\\Users\\Admin\\AppData\\Roaming\\Adobbe\\new.exe" b2557187fa21cd913b1dc3155f2ddda4.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2852 reg.exe 3792 reg.exe 1140 reg.exe 5064 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeCreateTokenPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeAssignPrimaryTokenPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeLockMemoryPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeIncreaseQuotaPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeMachineAccountPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeTcbPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeSecurityPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeTakeOwnershipPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeLoadDriverPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeSystemProfilePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeSystemtimePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeProfSingleProcessPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeIncBasePriorityPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeCreatePagefilePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeCreatePermanentPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeBackupPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeRestorePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeShutdownPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeDebugPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeAuditPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeSystemEnvironmentPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeChangeNotifyPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeRemoteShutdownPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeUndockPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeSyncAgentPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeEnableDelegationPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeManageVolumePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeImpersonatePrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeCreateGlobalPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: 31 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: 32 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: 33 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: 34 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: 35 4864 b2557187fa21cd913b1dc3155f2ddda4.exe Token: SeDebugPrivilege 4864 b2557187fa21cd913b1dc3155f2ddda4.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 4864 b2557187fa21cd913b1dc3155f2ddda4.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4864 wrote to memory of 4620 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 90 PID 4864 wrote to memory of 4620 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 90 PID 4864 wrote to memory of 4620 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 90 PID 4864 wrote to memory of 2592 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 91 PID 4864 wrote to memory of 2592 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 91 PID 4864 wrote to memory of 2592 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 91 PID 4864 wrote to memory of 1576 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 92 PID 4864 wrote to memory of 1576 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 92 PID 4864 wrote to memory of 1576 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 92 PID 4864 wrote to memory of 3852 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 93 PID 4864 wrote to memory of 3852 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 93 PID 4864 wrote to memory of 3852 4864 b2557187fa21cd913b1dc3155f2ddda4.exe 93 PID 1576 wrote to memory of 2852 1576 cmd.exe 98 PID 1576 wrote to memory of 2852 1576 cmd.exe 98 PID 1576 wrote to memory of 2852 1576 cmd.exe 98 PID 4620 wrote to memory of 1140 4620 cmd.exe 99 PID 4620 wrote to memory of 1140 4620 cmd.exe 99 PID 4620 wrote to memory of 1140 4620 cmd.exe 99 PID 3852 wrote to memory of 3792 3852 cmd.exe 100 PID 3852 wrote to memory of 3792 3852 cmd.exe 100 PID 3852 wrote to memory of 3792 3852 cmd.exe 100 PID 2592 wrote to memory of 5064 2592 cmd.exe 101 PID 2592 wrote to memory of 5064 2592 cmd.exe 101 PID 2592 wrote to memory of 5064 2592 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe"C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe"1⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f2⤵
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Modifies firewall policy service
- Modifies registry key
PID:1140
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe:*:Enabled:Windows Messanger" /f2⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b2557187fa21cd913b1dc3155f2ddda4.exe:*:Enabled:Windows Messanger" /f3⤵
- Modifies firewall policy service
- Modifies registry key
PID:5064
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f2⤵
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Modifies firewall policy service
- Modifies registry key
PID:2852
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Adobbe\new.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Adobbe\new.exe:*:Enabled:Windows Messanger" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Adobbe\new.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Adobbe\new.exe:*:Enabled:Windows Messanger" /f3⤵
- Modifies firewall policy service
- Modifies registry key
PID:3792
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1