Analysis
- max time kernel
163s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
17/02/2022, 16:18
Static task
static1
Behavioral task
behavioral1
Sample
FILE ID is CASE#03645676678759073.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
FILE ID is CASE#03645676678759073.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target FILE ID is CASE#03645676678759073.exe
- Size 636KB
- Sample220217-tryhzsbge2
- SHA256 05e84562001d02e9ef09ef20c37104dc784e7c6e32d101d2e9b73ccee25c39c4
- MD5 100062224ecd4c6377b3b940a502ee80
- SHA1 bf47506efaf3164750d77bb892cee97c2f8bbd25
- SHA512 73e6c5738de4b1f7327c0c11054fbd8ff6214a6ad90961d4a255d1f1083cc873731dbda087fd9f3289970676ecb2fcd963cb02092412eb7226a2ba070a9311af
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
warzonerat
C2
-
91.193.75.173:6667
Signatures
- WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
- Warzone RAT Payload 2 IoCs
resource yara_rule behavioral2/memory/1016-136-0x0000000000430000-0x0000000000584000-memory.dmp warzonerat behavioral2/memory/1016-141-0x0000000000430000-0x0000000000584000-memory.dmp warzonerat - Executes dropped EXE 2 IoCs
pid Process 1940 lkrawf.exe 1016 lkrawf.exe - Loads dropped DLL 6 IoCs
pid Process 1016 lkrawf.exe 1016 lkrawf.exe 1016 lkrawf.exe 1016 lkrawf.exe 1016 lkrawf.exe 1016 lkrawf.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 lkrawf.exe Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 lkrawf.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\ibvmixk = "C:\\Users\\Admin\\AppData\\Roaming\\xutslnhrtfglrd\\vtyaqtdjgkooq.exe" lkrawf.exe - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe - Modifies data under HKEY_USERS 49 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4164" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897648097065706" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.961525" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.421347" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.490008" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe Token: SeRestorePrivilege 632 TiWorker.exe Token: SeSecurityPrivilege 632 TiWorker.exe Token: SeBackupPrivilege 632 TiWorker.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3080 wrote to memory of 1940 3080 FILE ID is CASE#03645676678759073.exe 61 PID 3080 wrote to memory of 1940 3080 FILE ID is CASE#03645676678759073.exe 61 PID 3080 wrote to memory of 1940 3080 FILE ID is CASE#03645676678759073.exe 61 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 PID 1940 wrote to memory of 1016 1940 lkrawf.exe 63 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 lkrawf.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 lkrawf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\FILE ID is CASE#03645676678759073.exe"C:\Users\Admin\AppData\Local\Temp\FILE ID is CASE#03645676678759073.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Users\Admin\AppData\Local\Temp\lkrawf.exeC:\Users\Admin\AppData\Local\Temp\lkrawf.exe C:\Users\Admin\AppData\Local\Temp\aiiln2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\Temp\lkrawf.exeC:\Users\Admin\AppData\Local\Temp\lkrawf.exe C:\Users\Admin\AppData\Local\Temp\aiiln3⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:1016
-
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:764
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3348
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:632