Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
23-05-2024 01:11
General
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Target
b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8.exe
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Size
1.4MB
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MD5
57927b0ff33c432c4292620206164e34
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SHA1
d8c902010e7943f3940f84678816de4639e3967b
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SHA256
b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8
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SHA512
b9deb780b2022db4288f1fd0db0a64436d288da24efe3a374f585c34e0744126aec58c4a60ffd6346a5352262fc071b39a8861550f82bf6f17deabf2b3142dac
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SSDEEP
24576:E3mJ4QH5npAbbt89g6lkRcHc/7jVt6G+xJKr6AOALfrSUv15gmm7kqQILp52HTbX:E3Y59rlkRH/7CG+xJZAOALfrSUv15gmz
Malware Config
Extracted
Protocol: smtp- Host:
smtp.oxcs.bluehost.com - Port:
587 - Username:
[email protected] - Password:
Johnson2024@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Executes dropped EXE 1 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8.exe"C:\Users\Admin\AppData\Local\Temp\b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8.exe C:\\Users\\Public\\Libraries\\Bowxfxpv.PIF2⤵
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C:\Users\Public\Libraries\vpxfxwoB.pifC:\Users\Public\Libraries\vpxfxwoB.pif2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD5c116d3604ceafe7057d77ff27552c215
SHA1452b14432fb5758b46f2897aeccd89f7c82a727d
SHA2567bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
SHA5129202a00eeaf4c5be94de32fd41bfea40fc32d368955d49b7bad2b5c23c4ebc92dccb37d99f5a14e53ad674b63f1baa6efb1feb27225c86693ead3262a26d66c6
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Filesize
16.0MB
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Filesize
16.0MB
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Filesize
4KB
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Filesize
344KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
336KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
312KB
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Filesize
624KB
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Filesize
320KB
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Filesize
584KB
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Filesize
40KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
1.5MB