Analysis
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max time kernel
103s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 06:06
Static task
static1
Behavioral task
behavioral1
Sample
25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe
Resource
win7-20240903-en
General
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Target
25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe
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Size
492KB
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MD5
7ffe23b44b7c06a3d3247c6f1248be57
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SHA1
a6f5f0183bc32dcf32eafab42aaf1da89b6dc780
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SHA256
25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22
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SHA512
fae1e57c6adb61007257815575ea7690f3958f7bb653d45475962c7bbafc20f1a6d6ab7d3ff3ac45dd3685d6f55d57248b5c20fb1dbb5f487049e01f49ca9b16
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SSDEEP
6144:D1fuZLmuqBikyjSGGusDDfSIicxriwcJXyA+7kVNTo+zBMbvg9+wlvT+XJO1+cEs:DYpcxusPtiYiwoCA+SNrtMbvM3vO
Malware Config
Extracted
Protocol: ftp- Host:
ftp.concaribe.com - Port:
21 - Username:
[email protected] - Password:
ro}UWgz#!38E
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.concaribe.com - Port:
21 - Username:
[email protected] - Password:
ro}UWgz#!38E
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 3 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 14 api.ipify.org 15 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4912 set thread context of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 -
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 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 556 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 556 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 556 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82 PID 4912 wrote to memory of 556 4912 25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe"C:\Users\Admin\AppData\Local\Temp\25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Users\Admin\AppData\Local\Temp\25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe"C:\Users\Admin\AppData\Local\Temp\25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:556
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