Analysis
- max time kernel
139s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
11/02/2022, 09:54
Static task
static1
Behavioral task
behavioral1
Sample
DHL AWB8114704877888.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DHL AWB8114704877888.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target DHL AWB8114704877888.exe
- Size 805KB
- Sample220211-lw87aacea8
- SHA256 777ab54efae3ebf08dd94823c2bd4fbd6c8e063dad74d4f3eb4a5a32cb1ba6d0
- MD5 298b85d56eaf81750a59c3c1da21b0e4
- SHA1 d2e42245f31a6d840397d6b1ea4d9d2bb93a196a
- SHA512 31033294db0af72616275c3ad33c53315e15466afba3240d89388b7a381153acb33208520fe8da3bf8303b6eda27fce08fb4a2ec8e1530d2910874d759b3db68
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5083863399:AAH9g72QTdN88jNOd6_tBrE8gEd-FpXnfHE/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
resource yara_rule behavioral2/memory/1496-140-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL AWB8114704877888.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL AWB8114704877888.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL AWB8114704877888.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3276 set thread context of 1496 3276 DHL AWB8114704877888.exe 98 - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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 File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1496 DHL AWB8114704877888.exe 1496 DHL AWB8114704877888.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2596 svchost.exe Token: SeCreatePagefilePrivilege 2596 svchost.exe Token: SeShutdownPrivilege 2596 svchost.exe Token: SeCreatePagefilePrivilege 2596 svchost.exe Token: SeShutdownPrivilege 2596 svchost.exe Token: SeCreatePagefilePrivilege 2596 svchost.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe Token: SeRestorePrivilege 4576 TiWorker.exe Token: SeSecurityPrivilege 4576 TiWorker.exe Token: SeBackupPrivilege 4576 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 PID 3276 wrote to memory of 1496 3276 DHL AWB8114704877888.exe 98 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL AWB8114704877888.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL AWB8114704877888.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL AWB8114704877888.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB8114704877888.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Users\Admin\AppData\Local\Temp\DHL AWB8114704877888.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB8114704877888.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:1496
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2596
-
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:4576