Analysis
- max time kernel
98s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/06/2022, 10:19
General
- Target PO288000174652900_pdf.exe
- Size 549KB
- Sample220620-mcg45acccl
- SHA256 4e66e70ef947e8c220665cd4a18464d76aa7f80082cf202632749d5217cba611
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.dyreco.com
-
Port
587
-
Username
-
Password
Dyreco-2011
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.dyreco.com
-
Port
587
-
Username
-
Password
Dyreco-2011
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
- 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO288000174652900_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO288000174652900_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO288000174652900_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO288000174652900_pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1248-136-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1248-137-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/1248-138-0x0000000006610000-0x0000000006660000-memory.dmp
memory/4040-130-0x0000000000740000-0x00000000007D0000-memory.dmp
memory/4040-131-0x0000000005680000-0x0000000005C24000-memory.dmp
memory/4040-132-0x0000000005170000-0x0000000005202000-memory.dmp
memory/4040-133-0x0000000005210000-0x000000000521A000-memory.dmp
memory/4040-134-0x00000000077F0000-0x000000000788C000-memory.dmp