Analysis
- max time kernel
147s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
14/02/2022, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
79f89bbce17cdba3cfda85c29ce4e522.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
79f89bbce17cdba3cfda85c29ce4e522.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 79f89bbce17cdba3cfda85c29ce4e522.exe
- Size 929KB
- Sample220214-wprnrsade4
- SHA256 4ea4984ea96300ac77002b130bba2e22f4e2469dd9d3faf00eb269e2cad822c3
- MD5 79f89bbce17cdba3cfda85c29ce4e522
- SHA1 58ff878bd4f3ade01825a9eb6689dba3b2eb7510
- SHA512 8ff9c0b098bcdefdfad69737d79bd4ed2a4944f9872fc9b82724b3fa8b631f5d19fb422abdcae3010941d927b3797ab7c9bb278b2076d90c3199ede6e12494bf
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
kOOdr$f8
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
resource yara_rule behavioral2/memory/1088-140-0x0000000000400000-0x000000000043C000-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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 79f89bbce17cdba3cfda85c29ce4e522.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 79f89bbce17cdba3cfda85c29ce4e522.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 79f89bbce17cdba3cfda85c29ce4e522.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3032 set thread context of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 - Drops file in Windows directory 8 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe 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 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1088 79f89bbce17cdba3cfda85c29ce4e522.exe 1088 79f89bbce17cdba3cfda85c29ce4e522.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1384 svchost.exe Token: SeCreatePagefilePrivilege 1384 svchost.exe Token: SeShutdownPrivilege 1384 svchost.exe Token: SeCreatePagefilePrivilege 1384 svchost.exe Token: SeShutdownPrivilege 1384 svchost.exe Token: SeCreatePagefilePrivilege 1384 svchost.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe Token: SeRestorePrivilege 4644 TiWorker.exe Token: SeSecurityPrivilege 4644 TiWorker.exe Token: SeBackupPrivilege 4644 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 PID 3032 wrote to memory of 1088 3032 79f89bbce17cdba3cfda85c29ce4e522.exe 100 - 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 79f89bbce17cdba3cfda85c29ce4e522.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 79f89bbce17cdba3cfda85c29ce4e522.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\79f89bbce17cdba3cfda85c29ce4e522.exe"C:\Users\Admin\AppData\Local\Temp\79f89bbce17cdba3cfda85c29ce4e522.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Users\Admin\AppData\Local\Temp\79f89bbce17cdba3cfda85c29ce4e522.exe"C:\Users\Admin\AppData\Local\Temp\79f89bbce17cdba3cfda85c29ce4e522.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:1088
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1384
-
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:4644