Analysis
- max time kernel
135s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
30/03/2022, 12:07
Static task
static1
Behavioral task
behavioral1
Sample
1ad30f95d54be710a50be31142e47e1a.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
1ad30f95d54be710a50be31142e47e1a.exe
Resource
win10v2004-20220310-en
General
- Target 1ad30f95d54be710a50be31142e47e1a.exe
- Size 1.1MB
- Sample220330-pacgzagbdj
- SHA256 c4892c08f2dc00c82b9699c2ba77083926672eee12ed1d4dc22de4512407f8fa
- MD5 1ad30f95d54be710a50be31142e47e1a
- SHA1 cad304174ca4a37678654a8df637dd65e50118eb
- SHA512 de93092b89288806bf3597616f88b4367f13f43a3830b8c2030a0fbd04e05ac025e640aba2a2dfc2bdd7a4bda383955059510939cc61524e9182dd71f8006bad
- MD5 SHA1 SHA512
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5046858692:AAGBzdOeRJEhVNDpK7m7z7d07qQ2Epskalo/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation 1ad30f95d54be710a50be31142e47e1a.exe - 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-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ad30f95d54be710a50be31142e47e1a.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ad30f95d54be710a50be31142e47e1a.exe Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ad30f95d54be710a50be31142e47e1a.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3188 set thread context of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4756 1ad30f95d54be710a50be31142e47e1a.exe 4756 1ad30f95d54be710a50be31142e47e1a.exe 4756 1ad30f95d54be710a50be31142e47e1a.exe 4680 powershell.exe 4680 powershell.exe 4680 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4756 1ad30f95d54be710a50be31142e47e1a.exe Token: SeDebugPrivilege 4680 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4756 1ad30f95d54be710a50be31142e47e1a.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3188 wrote to memory of 4680 3188 1ad30f95d54be710a50be31142e47e1a.exe 98 PID 3188 wrote to memory of 4680 3188 1ad30f95d54be710a50be31142e47e1a.exe 98 PID 3188 wrote to memory of 4680 3188 1ad30f95d54be710a50be31142e47e1a.exe 98 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 PID 3188 wrote to memory of 4756 3188 1ad30f95d54be710a50be31142e47e1a.exe 101 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ad30f95d54be710a50be31142e47e1a.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1ad30f95d54be710a50be31142e47e1a.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ad30f95d54be710a50be31142e47e1a.exe"C:\Users\Admin\AppData\Local\Temp\1ad30f95d54be710a50be31142e47e1a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1ad30f95d54be710a50be31142e47e1a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4680
-
-
C:\Users\Admin\AppData\Local\Temp\1ad30f95d54be710a50be31142e47e1a.exe"C:\Users\Admin\AppData\Local\Temp\1ad30f95d54be710a50be31142e47e1a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4756
-