Analysis
- max time kernel
46s - max time network
143s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
15/03/2023, 22:46
Static task
static1
Behavioral task
behavioral1
Sample
Invoice & Packing list.exe
Resource
win7-20230220-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Invoice & Packing list.exe
Resource
win10v2004-20230221-en
12 signatures
150 seconds
General
- Target Invoice & Packing list.exe
- Size 613KB
- Sample230315-2py1qsff92
- SHA256 d37ac5f67be37a7cd0fa09b2d0ffb1e5190caf1abbb2183fd00b0c7a35a204b1
- MD5 1e8668a8d9e3ecf5ccb2956932b7be7e
- SHA1 c960768d1625a7f306067f64c0838cdadb8d213f
- SHA512 0031a463a4b241db16cd318bccd7a64afb919a85295eb5245ebe303fa7b68778d3dcdfc33a01f8bad6f3f31ff0ef3471c573f1b4786522d8d13083e879cbc351
- SSDEEP 12288:vBrepFFBP8tKVNbElq3k7uOuKJ9xiA0F2:Fep/Vhr3PA9xiA0F
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/
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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice & Packing list.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice & Packing list.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice & Packing list.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 4 api.ipify.org 5 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1240 set thread context of 580 1240 Invoice & Packing list.exe 27 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1240 Invoice & Packing list.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1240 Invoice & Packing list.exe Token: SeDebugPrivilege 580 Invoice & Packing list.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 PID 1240 wrote to memory of 580 1240 Invoice & Packing list.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice & Packing list.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice & Packing list.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe"C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\Invoice & Packing list.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:580
-