Analysis
- max time kernel
147s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240220-en - resource tags
- submitted
21/02/2024, 13:48
General
- Target ca041b7a998e026cfb57932540faf0c0.exe
- Size 702KB
- Sample240221-q34mlagh48
- SHA256 dae4facd24ebff0352f1c58ed73a8f060cb86b5c9895bce9e78a273f7ac627a5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.atec.com.tr
-
Port
587
-
Username
-
Password
AT-AL-2021edu
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca041b7a998e026cfb57932540faf0c0.exe"C:\Users\Admin\AppData\Local\Temp\ca041b7a998e026cfb57932540faf0c0.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qZBTGeLrlJsjmr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qZBTGeLrlJsjmr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA1B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\ca041b7a998e026cfb57932540faf0c0.exe"C:\Users\Admin\AppData\Local\Temp\ca041b7a998e026cfb57932540faf0c0.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_foohkxlg.y5b.ps1
tmpAA1B.tmp
memory/620-27-0x0000000005360000-0x00000000053C6000-memory.dmp
memory/620-70-0x00000000052E0000-0x00000000052F0000-memory.dmp
memory/620-26-0x00000000052E0000-0x00000000052F0000-memory.dmp
memory/620-25-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/620-20-0x0000000000400000-0x0000000000440000-memory.dmp
memory/620-56-0x00000000069C0000-0x0000000006A10000-memory.dmp
memory/620-69-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/1728-2-0x0000000005A00000-0x0000000005FA4000-memory.dmp
memory/1728-10-0x00000000094D0000-0x000000000956C000-memory.dmp
memory/1728-0-0x0000000000A00000-0x0000000000AB6000-memory.dmp
memory/1728-9-0x0000000006E30000-0x0000000006EB2000-memory.dmp
memory/1728-8-0x00000000066D0000-0x00000000066E2000-memory.dmp
memory/1728-7-0x00000000066C0000-0x00000000066CE000-memory.dmp
memory/1728-1-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/1728-6-0x0000000006E00000-0x0000000006E20000-memory.dmp
memory/1728-3-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/1728-22-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/1728-24-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/1728-5-0x00000000054D0000-0x00000000054DA000-memory.dmp
memory/1728-4-0x0000000005740000-0x0000000005750000-memory.dmp
memory/4620-21-0x0000000005970000-0x0000000005F98000-memory.dmp
memory/4620-57-0x0000000008170000-0x00000000087EA000-memory.dmp
memory/4620-34-0x0000000006110000-0x0000000006176000-memory.dmp
memory/4620-39-0x00000000064A0000-0x00000000067F4000-memory.dmp
memory/4620-19-0x00000000015A0000-0x00000000015B0000-memory.dmp
memory/4620-40-0x0000000006820000-0x000000000683E000-memory.dmp
memory/4620-41-0x0000000006850000-0x000000000689C000-memory.dmp
memory/4620-42-0x00000000015A0000-0x00000000015B0000-memory.dmp
memory/4620-43-0x0000000006DF0000-0x0000000006E22000-memory.dmp
memory/4620-44-0x00000000707E0000-0x000000007082C000-memory.dmp
memory/4620-54-0x0000000006DC0000-0x0000000006DDE000-memory.dmp
memory/4620-55-0x00000000077F0000-0x0000000007893000-memory.dmp
memory/4620-18-0x00000000015A0000-0x00000000015B0000-memory.dmp
memory/4620-28-0x0000000005940000-0x0000000005962000-memory.dmp
memory/4620-58-0x0000000007B30000-0x0000000007B4A000-memory.dmp
memory/4620-59-0x0000000007BA0000-0x0000000007BAA000-memory.dmp
memory/4620-60-0x0000000007DD0000-0x0000000007E66000-memory.dmp
memory/4620-61-0x0000000007D50000-0x0000000007D61000-memory.dmp
memory/4620-62-0x0000000007D80000-0x0000000007D8E000-memory.dmp
memory/4620-63-0x0000000007D90000-0x0000000007DA4000-memory.dmp
memory/4620-64-0x0000000007E90000-0x0000000007EAA000-memory.dmp
memory/4620-65-0x0000000007E70000-0x0000000007E78000-memory.dmp
memory/4620-68-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/4620-17-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/4620-16-0x0000000002F00000-0x0000000002F36000-memory.dmp