Analysis
- max time kernel
152s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
12/02/2022, 20:03
Static task
static1
Behavioral task
behavioral1
Sample
92c1413a657358c91a612222f0b1e015.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target 92c1413a657358c91a612222f0b1e015.exe
- Size 641KB
- Sample220212-yspdxsehen
- SHA256 53284c3dc0078ff9aa534d3401a7cb1235e10a301d84dc362d6d2384cfbf7b64
- MD5 92c1413a657358c91a612222f0b1e015
- SHA1 3034abf9af149669735de66ffe48b8cdbfa7fd67
- SHA512 315edf2c7695b52f3dee603651709d9f7209f69f1354e8634eae49abb9a7ce60b8436b467d1820111c1582f1c4ba1d9e9a4d4414e33bb6d1ce07901f41fd98ff
- MD5 SHA1 SHA512
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
description pid Process procid_target PID 3804 created 3128 3804 WerFault.exe 72 - suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
- suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3128 neofim.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp WerFault.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\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3408 3128 WerFault.exe 72 - Checks processor information in registry 2 TTPs 7 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\ProcessorNameString 92c1413a657358c91a612222f0b1e015.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe 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 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 92c1413a657358c91a612222f0b1e015.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 49 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4092" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" 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\DownloadMonthlyLanBytes = "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\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893462012547520" 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\MonthlyUploadRestriction = "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\BkDownloadRatePct = "45" 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\NormalDownloadCount = "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\UploadMonthlyLanBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4012" 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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292" 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\PeerInfoCount = "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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\CDNConnectionCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.205824" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3128 neofim.exe 3408 WerFault.exe 3408 WerFault.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeDebugPrivilege 3128 neofim.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe Token: SeBackupPrivilege 3972 TiWorker.exe Token: SeRestorePrivilege 3972 TiWorker.exe Token: SeSecurityPrivilege 3972 TiWorker.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3952 wrote to memory of 3128 3952 92c1413a657358c91a612222f0b1e015.exe 72 PID 3952 wrote to memory of 3128 3952 92c1413a657358c91a612222f0b1e015.exe 72 PID 3952 wrote to memory of 3128 3952 92c1413a657358c91a612222f0b1e015.exe 72 PID 3804 wrote to memory of 3128 3804 WerFault.exe 72 PID 3804 wrote to memory of 3128 3804 WerFault.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\92c1413a657358c91a612222f0b1e015.exe"C:\Users\Admin\AppData\Local\Temp\92c1413a657358c91a612222f0b1e015.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Users\Admin\AppData\Roaming\Green\neofim.exeneofim.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3128 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 16163⤵
- Drops file in Windows directory
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:3408
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2708
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3284
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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:3972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3128 -ip 31281⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3804