Analysis
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max time kernel
149s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08/08/2024, 00:18
Behavioral task
behavioral1
Sample
8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe
Resource
win10v2004-20240802-en
General
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Target
8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe
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Size
1.8MB
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MD5
391fe889af6711d9faf1cbc0a85e44dc
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SHA1
c8545a53ef950be2bb3b2b82859e908f527ce8cb
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SHA256
8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f
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SHA512
0c95007a9286912be5647d4bb5262d7fecd74ada11245ff08d70fadeaf37cd00401843913d3364d3b8f7bef85bd6a9958db81d3158c4372b58c0fb98c32580c9
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SSDEEP
12288:BHTVhI8jdG+sV1p0x/k9fkQ3KypwkBPKxY9XZdFh29DNDupLdXUoWxOT8oSR:tV35QOk3KWNo34nOOTq
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process 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\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updates\\winupdt2.exe:*:Enabled:Windows Messanger" 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\Roaming\Windows Updater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Updater.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe -
Executes dropped EXE 3 IoCs
pid Process 2776 winupdt2.exe 2880 winupdt2.exe 2888 winupdt2.exe -
Loads dropped DLL 5 IoCs
pid Process 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe -
resource yara_rule behavioral1/memory/2152-0-0x0000000000400000-0x00000000005CA000-memory.dmp upx behavioral1/files/0x000a00000001722f-27.dat upx behavioral1/memory/2152-44-0x0000000000400000-0x00000000005CA000-memory.dmp upx behavioral1/memory/2880-48-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2776-63-0x0000000000400000-0x00000000005CA000-memory.dmp upx behavioral1/memory/2888-64-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2888-61-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2888-59-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2880-67-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-68-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2880-69-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-71-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-73-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-75-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-77-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-80-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-82-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-84-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-87-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2880-89-0x0000000000400000-0x000000000045C000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdt = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updates\\winupdt2.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2776 set thread context of 2880 2776 winupdt2.exe 33 PID 2776 set thread context of 2888 2776 winupdt2.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 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 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2684 reg.exe 1716 reg.exe 2512 reg.exe 1664 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 2880 winupdt2.exe Token: SeCreateTokenPrivilege 2880 winupdt2.exe Token: SeAssignPrimaryTokenPrivilege 2880 winupdt2.exe Token: SeLockMemoryPrivilege 2880 winupdt2.exe Token: SeIncreaseQuotaPrivilege 2880 winupdt2.exe Token: SeMachineAccountPrivilege 2880 winupdt2.exe Token: SeTcbPrivilege 2880 winupdt2.exe Token: SeSecurityPrivilege 2880 winupdt2.exe Token: SeTakeOwnershipPrivilege 2880 winupdt2.exe Token: SeLoadDriverPrivilege 2880 winupdt2.exe Token: SeSystemProfilePrivilege 2880 winupdt2.exe Token: SeSystemtimePrivilege 2880 winupdt2.exe Token: SeProfSingleProcessPrivilege 2880 winupdt2.exe Token: SeIncBasePriorityPrivilege 2880 winupdt2.exe Token: SeCreatePagefilePrivilege 2880 winupdt2.exe Token: SeCreatePermanentPrivilege 2880 winupdt2.exe Token: SeBackupPrivilege 2880 winupdt2.exe Token: SeRestorePrivilege 2880 winupdt2.exe Token: SeShutdownPrivilege 2880 winupdt2.exe Token: SeDebugPrivilege 2880 winupdt2.exe Token: SeAuditPrivilege 2880 winupdt2.exe Token: SeSystemEnvironmentPrivilege 2880 winupdt2.exe Token: SeChangeNotifyPrivilege 2880 winupdt2.exe Token: SeRemoteShutdownPrivilege 2880 winupdt2.exe Token: SeUndockPrivilege 2880 winupdt2.exe Token: SeSyncAgentPrivilege 2880 winupdt2.exe Token: SeEnableDelegationPrivilege 2880 winupdt2.exe Token: SeManageVolumePrivilege 2880 winupdt2.exe Token: SeImpersonatePrivilege 2880 winupdt2.exe Token: SeCreateGlobalPrivilege 2880 winupdt2.exe Token: 31 2880 winupdt2.exe Token: 32 2880 winupdt2.exe Token: 33 2880 winupdt2.exe Token: 34 2880 winupdt2.exe Token: 35 2880 winupdt2.exe Token: SeDebugPrivilege 2888 winupdt2.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 2776 winupdt2.exe 2880 winupdt2.exe 2880 winupdt2.exe 2888 winupdt2.exe 2880 winupdt2.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 2152 wrote to memory of 1856 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 29 PID 2152 wrote to memory of 1856 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 29 PID 2152 wrote to memory of 1856 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 29 PID 2152 wrote to memory of 1856 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 29 PID 1856 wrote to memory of 1864 1856 cmd.exe 31 PID 1856 wrote to memory of 1864 1856 cmd.exe 31 PID 1856 wrote to memory of 1864 1856 cmd.exe 31 PID 1856 wrote to memory of 1864 1856 cmd.exe 31 PID 2152 wrote to memory of 2776 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 32 PID 2152 wrote to memory of 2776 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 32 PID 2152 wrote to memory of 2776 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 32 PID 2152 wrote to memory of 2776 2152 8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe 32 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2880 2776 winupdt2.exe 33 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2880 wrote to memory of 2656 2880 winupdt2.exe 35 PID 2880 wrote to memory of 2656 2880 winupdt2.exe 35 PID 2880 wrote to memory of 2656 2880 winupdt2.exe 35 PID 2880 wrote to memory of 2656 2880 winupdt2.exe 35 PID 2880 wrote to memory of 2968 2880 winupdt2.exe 36 PID 2880 wrote to memory of 2968 2880 winupdt2.exe 36 PID 2880 wrote to memory of 2968 2880 winupdt2.exe 36 PID 2880 wrote to memory of 2968 2880 winupdt2.exe 36 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2880 wrote to memory of 1660 2880 winupdt2.exe 37 PID 2880 wrote to memory of 1660 2880 winupdt2.exe 37 PID 2880 wrote to memory of 1660 2880 winupdt2.exe 37 PID 2880 wrote to memory of 1660 2880 winupdt2.exe 37 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2880 wrote to memory of 2856 2880 winupdt2.exe 38 PID 2880 wrote to memory of 2856 2880 winupdt2.exe 38 PID 2880 wrote to memory of 2856 2880 winupdt2.exe 38 PID 2880 wrote to memory of 2856 2880 winupdt2.exe 38 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 1660 wrote to memory of 2684 1660 cmd.exe 41 PID 1660 wrote to memory of 2684 1660 cmd.exe 41 PID 1660 wrote to memory of 2684 1660 cmd.exe 41 PID 1660 wrote to memory of 2684 1660 cmd.exe 41 PID 2776 wrote to memory of 2888 2776 winupdt2.exe 34 PID 2656 wrote to memory of 1716 2656 cmd.exe 42 PID 2656 wrote to memory of 1716 2656 cmd.exe 42 PID 2656 wrote to memory of 1716 2656 cmd.exe 42 PID 2656 wrote to memory of 1716 2656 cmd.exe 42 PID 2968 wrote to memory of 2512 2968 cmd.exe 45 PID 2968 wrote to memory of 2512 2968 cmd.exe 45 PID 2968 wrote to memory of 2512 2968 cmd.exe 45 PID 2968 wrote to memory of 2512 2968 cmd.exe 45 PID 2856 wrote to memory of 1664 2856 cmd.exe 46 PID 2856 wrote to memory of 1664 2856 cmd.exe 46 PID 2856 wrote to memory of 1664 2856 cmd.exe 46 PID 2856 wrote to memory of 1664 2856 cmd.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe"C:\Users\Admin\AppData\Local\Temp\8806c904bcfd4a553d45ca8d901b0c64f2979520e627c8eca03c47f16cb63e2f.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\FaQct.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1864
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C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1716
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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\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2512
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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" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2684
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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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1664
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C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2888
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152B
MD549bb161b07149b1bda99901c71d98b1f
SHA1e5e3b389c09d551bd8f3a4cf71ee30e566fdf6e2
SHA256734c4f48449a118dbdfbbe4971ecf112b26b2b45d1889678c01dea98eb5767d8
SHA512da09a2af9b7f9528916ab719ed97ee8b61179bba92016eaed64b3e7d6bf08646801aeeb0eb332bdde175eb64b48106f7cf2fe2bf01ea6128753e4ce1d48707be
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Filesize
1.8MB
MD5b0b4984be529f5d57617d2e1d7a22043
SHA1e63bad01a0e43c9c9a3219a93a2f62fa439e040b
SHA25694accd80a2f195c4cd752c21b5b8259cbfa098ab703ca59e39c3b7668caff050
SHA512356a590086094ad525e0d2e9519cf064017e106f9d9656ba509c08afc4487a8b9a5ede28eec78c0031f30ee26559c2c6ca41e01348770d6cda44d0d5c8a647f4