Analysis
- max time kernel
136s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system - submitted
23/02/2023, 14:33
Static task
static1
Behavioral task
behavioral1
Sample
PI.exe
Resource
win7-20230220-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
PI.exe
Resource
win10v2004-20230221-en
12 signatures
150 seconds
General
- Target PI.exe
- Size 750KB
- Sample230223-rwvlsagb52
- SHA256 d3cde2174f9799d957210cd054bee35f092e5480bb7019ca10e7b7f5abb116bf
- MD5 60789b577917e086f3d6c59225d8b8bd
- SHA1 b21aa9701b2632929032727b5b3f474758a34ec9
- SHA512 05b6f84cbe4db16fd683561436b78c79851681fa5c0d1bfd26aa2f647aeeb3e679e04cc47656ecc567ada53b76dd258bfa5ec4842c0697caf243787984833110
- SSDEEP 12288:hMr03FHFB38seQQTcXV7IkegET9jsIBMNjnNNOhAe/S0YFYnCmXRNKzh6GH1v35j:lFHFB38seQ+WVETsIBMNjnNNOhAe/S08
- 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-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI.exe Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI.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 2 api.ipify.org 3 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4888 set thread context of 444 4888 PI.exe 79 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4888 PI.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4888 PI.exe Token: SeDebugPrivilege 444 PI.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 PID 4888 wrote to memory of 444 4888 PI.exe 79 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PI.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PI.exe"C:\Users\Admin\AppData\Local\Temp\PI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Users\Admin\AppData\Local\Temp\PI.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:444
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PI.exe.log
- Size 1KB
- SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
- MD5 17573558c4e714f606f997e5157afaac
- SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
- SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
- MD5 SHA1 SHA512