Analysis
- max time kernel
162s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
21/02/2022, 09:22
Static task
static1
Behavioral task
behavioral1
Sample
DHL_JAN_.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DHL_JAN_.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target DHL_JAN_.exe
- Size 715KB
- Sample220221-lcdahahhgp
- SHA256 64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
- MD5 4cdf11f1b7678c63efd99d4b280d2f70
- SHA1 6d9bab79cd3daaf832a7236bb0db30f1b5bc3732
- SHA512 713b6e06f9a0093e95880be6ebac97ea897608383702db814148ba568ffe338e4e0f7ae545d2fdf6b4c1875775187cc4964f01a6b5a5da3f7ab1e7d06e6ae398
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 1 IoCs
resource yara_rule behavioral2/memory/1844-135-0x0000000000400000-0x0000000000486000-memory.dmp family_masslogger - 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 DHL_JAN_.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 70 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 1844 1728 DHL_JAN_.exe 68 - 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 - 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 47 IoCs
description ioc Process 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\BkDownloadRatePct = "45" 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\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\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\MonthlyUploadRestriction = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.232415" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372" 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 (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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "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\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\Config\DODownloadMode = "1" 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\MemoryUsageKB = "4124" 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\NormalDownloadPendingCount = "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\DownloadMonthlyRateBkBps = "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 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132900855400886882" 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\CacheSizeBytes = "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\DownlinkBps = "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\DownloadMonthlyCdnBytes = "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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.082034" 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\DownloadMonthlyLanBytes = "0" svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1844 DHL_JAN_.exe 1844 DHL_JAN_.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1844 DHL_JAN_.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe Token: SeBackupPrivilege 3536 TiWorker.exe Token: SeRestorePrivilege 3536 TiWorker.exe Token: SeSecurityPrivilege 3536 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68 PID 1728 wrote to memory of 1844 1728 DHL_JAN_.exe 68
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe"C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe"C:\Users\Admin\AppData\Local\Temp\DHL_JAN_.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1844
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3096
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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:3796
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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:3536