Analysis
- max time kernel
155s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
15/02/2022, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
JERJvJLKLeASMET.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
JERJvJLKLeASMET.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target JERJvJLKLeASMET.exe
- Size 1.1MB
- Sample220215-alnxtaaeh2
- SHA256 38d02acaae50481ff6d73b2de186301fee82ebd4af08d57b0d096dd20fb8f62a
- MD5 ba13b0dd8f95266e42a9e169b501c111
- SHA1 ddcb5c3ef96ec026ba263f1ea6d6a0824f22f885
- SHA512 c620af54efcecaf95443614e7450a5a60f310de1abf9edc50797f9898400d7f4df6b92d01fead7b517dd58642d9122e788f0b486b1aa7662c5794e639a64d7ba
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.pas-shipping.com
-
Port
587
-
Username
-
Password
Chik@kerdiamoo1400
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
resource yara_rule behavioral2/memory/2500-137-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.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\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3876 set thread context of 2500 3876 JERJvJLKLeASMET.exe 85 - 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 - 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 (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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.807667" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.999300" 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\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\Config\KVFileExpirationTime = "132895343149615396" 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\UploadRatePct = "100" 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\MemoryUsageKB = "3904" 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\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\LinkLocalConnectionCount = "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\DownlinkBps = "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\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\DownloadMonthlyCacheHostBytes = "0" 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\UplinkBps = "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\NormalDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\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\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\PeerInfoCount = "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\MemoryUsageKB = "4124" 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\UploadMonthlyLanBytes = "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\MemoryUsageKB = "4336" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006566" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.505282" 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\DownloadMonthlyInternetBytes = "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\NormalDownloadCount = "0" svchost.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3876 JERJvJLKLeASMET.exe 3876 JERJvJLKLeASMET.exe 2500 RegSvcs.exe 2500 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe Token: SeRestorePrivilege 1640 TiWorker.exe Token: SeSecurityPrivilege 1640 TiWorker.exe Token: SeBackupPrivilege 1640 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85 PID 3876 wrote to memory of 2500 3876 JERJvJLKLeASMET.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\JERJvJLKLeASMET.exe"C:\Users\Admin\AppData\Local\Temp\JERJvJLKLeASMET.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3876 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2500
-
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2420
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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:3744
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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:1640