Analysis
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max time kernel
121s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
31/08/2023, 19:59
Behavioral task
behavioral1
Sample
473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe
Resource
win10v2004-20230703-en
General
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Target
473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe
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Size
238KB
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MD5
1d9458d1b2046f16cd655d74a6b36093
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SHA1
102e9b7cdc6fb1b8e9779c826447a353cbd6f563
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SHA256
473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390
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SHA512
b3fa30ed18a4b4e38afe6006b1fde10db2a4dda95cc4dcd1ce4da21159bfcb50413c2a7aa276e0ad9b4ad6b35af40bfcdbd397561dcee5a73daa43ceeee07996
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SSDEEP
3072:TDLwsxES890RhmMxIRDtJq1W/f0stl/IETMy:Dw10rmgIpq1qHP/nM
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.fervik.com - Port:
587 - Username:
[email protected] - Password:
Z39xFddF - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.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 behavior: EnumeratesProcesses 2 IoCs
pid Process 2256 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe 2256 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2256 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe"C:\Users\Admin\AppData\Local\Temp\473b92ef1e7089465c93a41476e5155b1b42026358e936a43692a6e5bf5fd390_JC.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2256