Analysis
- max time kernel
65s - max time network
120s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
22/02/2023, 11:11
Static task
static1
Behavioral task
behavioral1
Sample
8f87fe0b5603293f372feac809d815c0.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
8f87fe0b5603293f372feac809d815c0.exe
Resource
win10v2004-20230220-en
11 signatures
150 seconds
General
- Target 8f87fe0b5603293f372feac809d815c0.exe
- Size 840KB
- Sample230222-m99kmsch2v
- SHA256 53eb83560df949284e8d00992e7a5acf16c77ea64ee89c0bc4b16d394640456b
- MD5 8f87fe0b5603293f372feac809d815c0
- SHA1 5bbfe5448b6b47114a5c887b95aed27bfabe2521
- SHA512 7cffd71486cefb5e744d1c46b93705db508fa34ff04ea41c4c50e58b3ea77d1bc1ed146b7690e783f2c5d28fa1970ce91c25534d045aaabdc5f0c8c96400dacf
- SSDEEP 12288:2WnvXkyLr2ayjh1eNIWl9S747czI0l+x/BLjJ4ZgcOHq3OzsvpySsWCIv+bt+qa:3fky9IISE7cU3GSHODvY7gwr
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot5350270151:AAHiqzi7CQnEGEk3Xi-PyJX8ov0x6B-8S1I/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8f87fe0b5603293f372feac809d815c0.exe Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8f87fe0b5603293f372feac809d815c0.exe Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8f87fe0b5603293f372feac809d815c0.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 5 api.ipify.org 6 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1712 set thread context of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 268 8f87fe0b5603293f372feac809d815c0.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 PID 1712 wrote to memory of 268 1712 8f87fe0b5603293f372feac809d815c0.exe 28 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8f87fe0b5603293f372feac809d815c0.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8f87fe0b5603293f372feac809d815c0.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f87fe0b5603293f372feac809d815c0.exe"C:\Users\Admin\AppData\Local\Temp\8f87fe0b5603293f372feac809d815c0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\8f87fe0b5603293f372feac809d815c0.exe"C:\Users\Admin\AppData\Local\Temp\8f87fe0b5603293f372feac809d815c0.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:268
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\CabE39E.tmp
- Size 61KB
- SHA256 10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
- MD5 fc4666cbca561e864e7fdf883a9e6661
- SHA1 2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
- SHA512 c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
- SSDEEP 1536:pvl2gmukMiArbge/oKIxf+Q9yNJLaRCfIElhUuDz:pvl2gmZhpehIxfJsJLawfIElhUu3
- MD5 SHA1 SHA512 SSDEEP