Analysis
- max time kernel
180s - max time network
195s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
01/12/2022, 16:33
General
- Target SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe
- Size 784KB
- Sample221201-t2jgtabd7s
- SHA256 393b01c7b8931a8b7a1c3fcf7e3e282aa3976bda0bf4eec9d51a4d250c9e844e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.palumalimited.com
-
Port
587
-
Username
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Password
85h!UAfvL2AE
-
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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\bBnNxCaPfjnF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bBnNxCaPfjnF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6D3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.389.4061.24306.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpF6D3.tmp
memory/348-160-0x00000000065E0000-0x0000000006630000-memory.dmp
memory/348-146-0x0000000000400000-0x000000000043C000-memory.dmp
memory/752-133-0x0000000005C30000-0x00000000061D4000-memory.dmp
memory/752-134-0x0000000005680000-0x0000000005712000-memory.dmp
memory/752-135-0x0000000005A80000-0x0000000005C26000-memory.dmp
memory/752-136-0x0000000005630000-0x000000000563A000-memory.dmp
memory/752-137-0x0000000008210000-0x00000000082AC000-memory.dmp
memory/752-132-0x0000000000BB0000-0x0000000000C74000-memory.dmp
memory/4080-147-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/4080-152-0x00000000066A0000-0x00000000066BE000-memory.dmp
memory/4080-145-0x0000000005020000-0x0000000005042000-memory.dmp
memory/4080-142-0x00000000051C0000-0x00000000057E8000-memory.dmp
memory/4080-140-0x0000000004B50000-0x0000000004B86000-memory.dmp
memory/4080-148-0x0000000005AC0000-0x0000000005B26000-memory.dmp
memory/4080-149-0x0000000006100000-0x000000000611E000-memory.dmp
memory/4080-150-0x00000000066C0000-0x00000000066F2000-memory.dmp
memory/4080-151-0x0000000070F00000-0x0000000070F4C000-memory.dmp
memory/4080-153-0x0000000007A50000-0x00000000080CA000-memory.dmp
memory/4080-154-0x0000000007400000-0x000000000741A000-memory.dmp
memory/4080-155-0x0000000007470000-0x000000000747A000-memory.dmp
memory/4080-156-0x0000000007690000-0x0000000007726000-memory.dmp
memory/4080-157-0x0000000006520000-0x000000000652E000-memory.dmp
memory/4080-158-0x0000000007750000-0x000000000776A000-memory.dmp
memory/4080-159-0x0000000007730000-0x0000000007738000-memory.dmp