Analysis
- max time kernel
143s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
16/02/2022, 03:13
Static task
static1
Behavioral task
behavioral1
Sample
IN873878733.exe
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target IN873878733.exe
- Size 847KB
- Sample220216-dqrfaabca9
- SHA256 c4f327e6c0f7b0a3de5660b78fd33c0e4bcaff1e21d5a55bc312b2774b050e2c
- MD5 03a8450719aeedd4b1e2e91b884c2762
- SHA1 8e9f90dce5328f891fdc2bdf06da65f79bfb2eb3
- SHA512 45306bab51fb87ccec4f13926322a9f5e7285eaa232d06daa9d06cb4946e947744be01296f5917443e5f0d1086327a62fb7d900a2cb300ce56cc73f5b04a3cab
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
netwire
C2
-
podzeye.duckdns.org:6688
Attributes
-
activex_autorun
false
- activex_key
-
copy_executable
false
-
delete_original
false
-
host_id
HostId-%Rand%
- install_path
- keylogger_dir
-
lock_executable
false
- mutex
-
offline_keylogger
false
-
password
Password
-
registry_autorun
false
- startup_name
-
use_mutex
false
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/memory/3636-142-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/3636-148-0x0000000000400000-0x0000000000433000-memory.dmp netwire - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation IN873878733.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3724 set thread context of 3636 3724 IN873878733.exe 84 - 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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.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 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2984 schtasks.exe - Modifies data under HKEY_USERS 55 IoCs
description ioc Process 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" 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\NormalDownloadCount = "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 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 = "4356" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" 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\FrDownloadRatePct = "90" 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\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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.620975" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132896311992028533" 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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\PriorityDownloadCount = "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 (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 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006547" 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\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\DownloadMonthlyRateFrCnt = "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\DownlinkBps = "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\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" 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\UploadCount = "0" svchost.exe 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\MemoryUsageKB = "3996" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.285662" 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\DownloadMonthlyRateBkCnt = "4" 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\UplinkBps = "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\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.658777" svchost.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3724 IN873878733.exe 3724 IN873878733.exe 3724 IN873878733.exe 3724 IN873878733.exe 3724 IN873878733.exe 3724 IN873878733.exe 3724 IN873878733.exe 816 powershell.exe 816 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe Token: SeRestorePrivilege 3824 TiWorker.exe Token: SeSecurityPrivilege 3824 TiWorker.exe Token: SeBackupPrivilege 3824 TiWorker.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3724 wrote to memory of 816 3724 IN873878733.exe 80 PID 3724 wrote to memory of 816 3724 IN873878733.exe 80 PID 3724 wrote to memory of 816 3724 IN873878733.exe 80 PID 3724 wrote to memory of 2984 3724 IN873878733.exe 82 PID 3724 wrote to memory of 2984 3724 IN873878733.exe 82 PID 3724 wrote to memory of 2984 3724 IN873878733.exe 82 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84 PID 3724 wrote to memory of 3636 3724 IN873878733.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\IN873878733.exe"C:\Users\Admin\AppData\Local\Temp\IN873878733.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xFcKcyXYwTA.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:816
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xFcKcyXYwTA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF5C.tmp"2⤵
- Creates scheduled task(s)
PID:2984
-
-
C:\Users\Admin\AppData\Local\Temp\IN873878733.exe"C:\Users\Admin\AppData\Local\Temp\IN873878733.exe"2⤵PID:3636
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2984
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3580
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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:3824