Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
24/05/2022, 04:35
General
- Target SecuriteInfo.com.Variant.Ursu.713017.14219.exe
- Size 711KB
- Sample220524-e7nldsfec8
- SHA256 cee0ec8b4807de91c78cd4addc645a5143b10e73b9406f92f11cc61752e2ac1f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
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Port
587
-
Username
-
Password
tdodsbkaaxkycrdl
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- 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
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.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\FiWjWLHwGGHgEE.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\FiWjWLHwGGHgEE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1889.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Ursu.713017.14219.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp1889.tmp
memory/768-156-0x0000000006850000-0x00000000068A0000-memory.dmp
memory/768-143-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2084-145-0x00000000066B0000-0x00000000066CE000-memory.dmp
memory/2084-155-0x0000000007CD0000-0x0000000007CD8000-memory.dmp
memory/2084-154-0x0000000007CF0000-0x0000000007D0A000-memory.dmp
memory/2084-138-0x0000000002DB0000-0x0000000002DE6000-memory.dmp
memory/2084-153-0x0000000007BE0000-0x0000000007BEE000-memory.dmp
memory/2084-140-0x0000000005820000-0x0000000005E48000-memory.dmp
memory/2084-142-0x0000000005600000-0x0000000005622000-memory.dmp
memory/2084-152-0x0000000007C30000-0x0000000007CC6000-memory.dmp
memory/2084-151-0x0000000007A20000-0x0000000007A2A000-memory.dmp
memory/2084-144-0x0000000005EC0000-0x0000000005F26000-memory.dmp
memory/2084-149-0x0000000008000000-0x000000000867A000-memory.dmp
memory/2084-147-0x00000000710D0000-0x000000007111C000-memory.dmp
memory/2084-148-0x0000000006C40000-0x0000000006C5E000-memory.dmp
memory/2084-146-0x0000000007680000-0x00000000076B2000-memory.dmp
memory/2084-150-0x00000000079B0000-0x00000000079CA000-memory.dmp
memory/2428-135-0x00000000089E0000-0x0000000008A46000-memory.dmp
memory/2428-132-0x0000000004C50000-0x0000000004CE2000-memory.dmp
memory/2428-133-0x0000000004C20000-0x0000000004C2A000-memory.dmp
memory/2428-134-0x0000000008650000-0x00000000086EC000-memory.dmp
memory/2428-130-0x0000000000190000-0x0000000000248000-memory.dmp
memory/2428-131-0x0000000005200000-0x00000000057A4000-memory.dmp