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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
06/08/2024, 09:04
Static task
static1
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240802-en
General
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Target
MalwareBazaar.exe
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Size
759KB
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MD5
dfca31273bca0dfaf8902452e3d31d35
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SHA1
8b21de1f93996a6b657d7ec94241f85ca27e7c8e
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SHA256
94b67846d37007341608fe74d27d1ae0298d558d573a172d9013c42828eaa14a
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SHA512
84810f927bfa0b2f2f9eb4472b4073f64a0be6764e9bc513eaf0efd76b049722c106797653b246f15a642e00441a7580afef3580e4247e40dea352896e8c9760
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SSDEEP
12288:Xmp6d74dwmC/YPwaZBSvF9daCiBTi0QbwVcQ39G7waM16LA69PWNx4THQPb8jQqN:dheTilbw7tGUaIV/x4TmkMvEJJjUsB
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.jlahuachem.com - Port:
587 - Username:
[email protected] - Password:
vUPm^yS5 - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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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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 2432 set thread context of 2916 2432 MalwareBazaar.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2432 MalwareBazaar.exe 2432 MalwareBazaar.exe 2916 MalwareBazaar.exe 2916 MalwareBazaar.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2432 MalwareBazaar.exe Token: SeDebugPrivilege 2916 MalwareBazaar.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30 PID 2432 wrote to memory of 2916 2432 MalwareBazaar.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916
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