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Analysis
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max time kernel
148s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2024, 18:03
Static task
static1
Behavioral task
behavioral1
Sample
46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe
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Size
1.9MB
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MD5
46ea99b7cc127192f343f421f3471462
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SHA1
7f751140c3813ed26681e261d896451f08ecc51e
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SHA256
7f0f4868b12001237dd75e360ae392f6b174a1998e40d25b4926bafe2774f36d
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SHA512
0d4f80d5e8a0c946e13d6e1d36a8c4cf8bfd4b15cedc1ca78b135198f69d48c05787541a99013545e1fe92b1bc863f37ee17d22d400d8be9bcc61f8dfb420612
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SSDEEP
49152:Tx50eHsaHqe9AQhlPiTPi/3OQBipYI46GUA:Nuetqe9AQhlPiTPi/3OQBipYI46GUA
Malware Config
Signatures
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Modifies firewall policy service 3 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\AuthorizedApplications 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\updater\windll32.exe = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\windll32.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 reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\windll72.exe = "C:\\Users\\Admin\\AppData\\Roaming\\windll72.exe:*:Enabled:Windows Messanger" reg.exe -
Executes dropped EXE 1 IoCs
pid Process 3248 windll32.exe -
resource yara_rule behavioral2/memory/3248-10-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-11-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-13-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-14-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-15-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-17-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-18-0x0000000000400000-0x000000000065E000-memory.dmp upx behavioral2/memory/3248-19-0x0000000000400000-0x000000000065E000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Host Processor = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\windll32.exe" windll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Host Processor = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\windll32.exe" 46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 1060 reg.exe 1600 reg.exe 232 reg.exe 1796 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 3248 windll32.exe Token: SeCreateTokenPrivilege 3248 windll32.exe Token: SeAssignPrimaryTokenPrivilege 3248 windll32.exe Token: SeLockMemoryPrivilege 3248 windll32.exe Token: SeIncreaseQuotaPrivilege 3248 windll32.exe Token: SeMachineAccountPrivilege 3248 windll32.exe Token: SeTcbPrivilege 3248 windll32.exe Token: SeSecurityPrivilege 3248 windll32.exe Token: SeTakeOwnershipPrivilege 3248 windll32.exe Token: SeLoadDriverPrivilege 3248 windll32.exe Token: SeSystemProfilePrivilege 3248 windll32.exe Token: SeSystemtimePrivilege 3248 windll32.exe Token: SeProfSingleProcessPrivilege 3248 windll32.exe Token: SeIncBasePriorityPrivilege 3248 windll32.exe Token: SeCreatePagefilePrivilege 3248 windll32.exe Token: SeCreatePermanentPrivilege 3248 windll32.exe Token: SeBackupPrivilege 3248 windll32.exe Token: SeRestorePrivilege 3248 windll32.exe Token: SeShutdownPrivilege 3248 windll32.exe Token: SeDebugPrivilege 3248 windll32.exe Token: SeAuditPrivilege 3248 windll32.exe Token: SeSystemEnvironmentPrivilege 3248 windll32.exe Token: SeChangeNotifyPrivilege 3248 windll32.exe Token: SeRemoteShutdownPrivilege 3248 windll32.exe Token: SeUndockPrivilege 3248 windll32.exe Token: SeSyncAgentPrivilege 3248 windll32.exe Token: SeEnableDelegationPrivilege 3248 windll32.exe Token: SeManageVolumePrivilege 3248 windll32.exe Token: SeImpersonatePrivilege 3248 windll32.exe Token: SeCreateGlobalPrivilege 3248 windll32.exe Token: 31 3248 windll32.exe Token: 32 3248 windll32.exe Token: 33 3248 windll32.exe Token: 34 3248 windll32.exe Token: 35 3248 windll32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3248 windll32.exe 3248 windll32.exe 3248 windll32.exe 3248 windll32.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3964 wrote to memory of 3248 3964 46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe 85 PID 3964 wrote to memory of 3248 3964 46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe 85 PID 3964 wrote to memory of 3248 3964 46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe 85 PID 3248 wrote to memory of 3496 3248 windll32.exe 87 PID 3248 wrote to memory of 3496 3248 windll32.exe 87 PID 3248 wrote to memory of 3496 3248 windll32.exe 87 PID 3248 wrote to memory of 4712 3248 windll32.exe 88 PID 3248 wrote to memory of 4712 3248 windll32.exe 88 PID 3248 wrote to memory of 4712 3248 windll32.exe 88 PID 3248 wrote to memory of 3076 3248 windll32.exe 89 PID 3248 wrote to memory of 3076 3248 windll32.exe 89 PID 3248 wrote to memory of 3076 3248 windll32.exe 89 PID 3248 wrote to memory of 1124 3248 windll32.exe 90 PID 3248 wrote to memory of 1124 3248 windll32.exe 90 PID 3248 wrote to memory of 1124 3248 windll32.exe 90 PID 3496 wrote to memory of 1060 3496 cmd.exe 95 PID 3496 wrote to memory of 1060 3496 cmd.exe 95 PID 3496 wrote to memory of 1060 3496 cmd.exe 95 PID 3076 wrote to memory of 1600 3076 cmd.exe 96 PID 3076 wrote to memory of 1600 3076 cmd.exe 96 PID 3076 wrote to memory of 1600 3076 cmd.exe 96 PID 1124 wrote to memory of 232 1124 cmd.exe 97 PID 1124 wrote to memory of 232 1124 cmd.exe 97 PID 1124 wrote to memory of 232 1124 cmd.exe 97 PID 4712 wrote to memory of 1796 4712 cmd.exe 98 PID 4712 wrote to memory of 1796 4712 cmd.exe 98 PID 4712 wrote to memory of 1796 4712 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\46ea99b7cc127192f343f421f3471462_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Users\Admin\AppData\Roaming\updater\windll32.exe"C:\Users\Admin\AppData\Roaming\updater\windll32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1060
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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\updater\windll32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updater\windll32.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updater\windll32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updater\windll32.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1796
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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" /f3⤵
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1600
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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\windll72.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windll72.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\windll72.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windll72.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:232
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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
1Replay Monitor
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Downloads
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Filesize
1.9MB
MD546ea99b7cc127192f343f421f3471462
SHA17f751140c3813ed26681e261d896451f08ecc51e
SHA2567f0f4868b12001237dd75e360ae392f6b174a1998e40d25b4926bafe2774f36d
SHA5120d4f80d5e8a0c946e13d6e1d36a8c4cf8bfd4b15cedc1ca78b135198f69d48c05787541a99013545e1fe92b1bc863f37ee17d22d400d8be9bcc61f8dfb420612