Analysis
- max time kernel
114s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
01/04/2023, 07:24
Static task
static1
Behavioral task
behavioral1
Sample
Para Transferi Bilgilendirmesi-Dekont 04.exe
Resource
win7-20230220-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
Para Transferi Bilgilendirmesi-Dekont 04.exe
Resource
win10v2004-20230220-en
9 signatures
150 seconds
General
- Target Para Transferi Bilgilendirmesi-Dekont 04.exe
- Size 212KB
- Sample230401-h8elnagf63
- SHA256 0498df7766a9d0baf201351f7bd8a2914dbbfb95c8d13a514f53c894e3a47b05
- MD5 0a16b273c1c87e41e6fc713cb3970b34
- SHA1 5dceedb5d74338df57880e672789545e458c66e6
- SHA512 ddc3c43baeaed4d52e472ac23269998295424ca85da7efeec2000c4db81c73bed85cdbe21c5dd9f5befee556de7c8b58c449c9832a959f5b475a11d76e371f7c
- SSDEEP 6144:Z7jxlU4XyaR66Rplx71yHpRIxf4v5HlI:Z7jx7trxPyoxojI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5947903340:AAGwrx6AH8fIoMQeBa5HDgsc3Ce_i6Zbfek/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 13 api.ipify.org 14 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1180 set thread context of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4344 Caspol.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4344 Caspol.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 PID 1180 wrote to memory of 4344 1180 Para Transferi Bilgilendirmesi-Dekont 04.exe 84 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Caspol.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi-Dekont 04.exe"C:\Users\Admin\AppData\Local\Temp\Para Transferi Bilgilendirmesi-Dekont 04.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4344
-