Analysis
- max time kernel
151s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
31/01/2022, 17:50
Static task
static1
Behavioral task
behavioral1
Sample
oxc.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
oxc.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target oxc.exe
- Size 664KB
- Sample220131-wepresbbd2
- SHA256 76389098be8a410aaf6b21297912f6ef745db6e8a2f2aaaddda8685bd91091c3
- MD5 1d470425e6e769759432b129e3d1e953
- SHA1 092e76ca81792d780c26c7842fd3fc33eb157df9
- SHA512 f346784661b69cc72a57d5fb9694c37e947725574f0ac19db5c21c739ca6a718307afb053694859482d282e9d100d2e1bdc19e194cc2380f753502ecb8e0a135
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
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warzonerat
C2
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152.67.253.163:5300
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 2356 created 3344 2356 WerFault.exe 62 - WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
- Warzone RAT Payload 1 IoCs
resource yara_rule behavioral2/memory/3344-223-0x0000000000400000-0x0000000000554000-memory.dmp warzonerat - Executes dropped EXE 1 IoCs
pid Process 3808 ComputerDefaults.exe - Sets service image path in registry 2 TTPs
- Loads dropped DLL 1 IoCs
pid Process 3808 ComputerDefaults.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dkmbwcpqlj = "C:\\Users\\Admin\\Contacts\\jlqpcwbmkD.url" oxc.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3460 3344 WerFault.exe 62 - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe - Modifies data under HKEY_USERS 41 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs WaaSMedicAgent.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed WaaSMedicAgent.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 532 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1832 powershell.exe 3460 WerFault.exe 3460 WerFault.exe 1832 powershell.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 3460 WerFault.exe Token: SeBackupPrivilege 3460 WerFault.exe Token: SeDebugPrivilege 1832 powershell.exe - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3344 3300 oxc.exe 62 PID 3300 wrote to memory of 3944 3300 oxc.exe 64 PID 3300 wrote to memory of 3944 3300 oxc.exe 64 PID 3300 wrote to memory of 3944 3300 oxc.exe 64 PID 3944 wrote to memory of 3756 3944 cmd.exe 66 PID 3944 wrote to memory of 3756 3944 cmd.exe 66 PID 3944 wrote to memory of 3756 3944 cmd.exe 66 PID 3756 wrote to memory of 3808 3756 cmd.exe 70 PID 3756 wrote to memory of 3808 3756 cmd.exe 70 PID 3808 wrote to memory of 832 3808 ComputerDefaults.exe 71 PID 3808 wrote to memory of 832 3808 ComputerDefaults.exe 71 PID 3756 wrote to memory of 532 3756 cmd.exe 73 PID 3756 wrote to memory of 532 3756 cmd.exe 73 PID 3756 wrote to memory of 532 3756 cmd.exe 73 PID 2356 wrote to memory of 3344 2356 WerFault.exe 62 PID 2356 wrote to memory of 3344 2356 WerFault.exe 62 PID 832 wrote to memory of 1832 832 cmd.exe 74 PID 832 wrote to memory of 1832 832 cmd.exe 74
Processes
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C:\Users\Admin\AppData\Local\Temp\oxc.exe"C:\Users\Admin\AppData\Local\Temp\oxc.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3300 -
C:\Windows\SysWOW64\DpiScaling.exeC:\Windows\System32\DpiScaling.exe2⤵PID:3344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 883⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3460
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Contacts\Dkmbwcpqljt.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Admin\Contacts\DkmbwcpqljO.bat3⤵
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows \System32\ComputerDefaults.exe"C:\Windows \System32\ComputerDefaults.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""5⤵
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 64⤵
- Runs ping.exe
PID:532
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C:\Windows\System32\WaaSMedicAgent.exeC:\Windows\System32\WaaSMedicAgent.exe 9816a18be79f4f98f7b7d9e4deb70523 FwnwuYMUn0mIfdMxbZNFew.0.1.0.0.01⤵
- Modifies data under HKEY_USERS
PID:3436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3344 -ip 33441⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2356