Analysis
- max time kernel
155s - max time network
165s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
21/02/2022, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
invoice-57688-2021.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
invoice-57688-2021.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target invoice-57688-2021.exe
- Size 15KB
- Sample220221-q2153sbdhj
- SHA256 edbf7a0554612e36d0928328f5f12ebe5676a4e848c2ff12a67bb076a3ddd499
- MD5 875fec9f027ac805144d056cfec49861
- SHA1 a2cefcf41561d6a399515a88fd61a5930c21d581
- SHA512 26b736f688ee23e7294ce69680eb9ae52ac89aea0b9be7b06114fe2d302a9ac5d9e5ed2436eed3d001120dc9af8a5bfcd48ef717ea4a217d2a2138fc68bf589d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.mgcpakistan.com/
-
Port
21
-
Username
-
Password
boygirl123456
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
resource yara_rule behavioral2/memory/212-134-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3104 set thread context of 212 3104 invoice-57688-2021.exe 81 - 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 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 51 IoCs
description ioc Process 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\DownloadMonthlyGroupBytes = "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\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\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\Usage\NormalDownloadCount = "0" 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 = "0.008178" 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 (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\SwarmCount = "1" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\Usage\CacheSizeBytes = "0" 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\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4340" 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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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 = "132901012559412480" 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\DownlinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.908450" 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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100" 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\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4024" 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\BkDownloadRatePct = "45" 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\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.257163" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.641016" svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 212 aspnet_compiler.exe 212 aspnet_compiler.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe Token: SeRestorePrivilege 3836 TiWorker.exe Token: SeSecurityPrivilege 3836 TiWorker.exe Token: SeBackupPrivilege 3836 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81 PID 3104 wrote to memory of 212 3104 invoice-57688-2021.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice-57688-2021.exe"C:\Users\Admin\AppData\Local\Temp\invoice-57688-2021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:212
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2064
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2544
-
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:3836