Analysis
- max time kernel
154s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
21/05/2022, 12:38
General
- Target Original Shipping documents .pdf.exe
- Size 497KB
- Sample220521-pva5msgac9
- SHA256 7d55b0a9f323550b53b9bed20b938959163a3ab02b995a6d84d5e4b0145febb7
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
kingmoney12345
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
kingmoney12345
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Original Shipping documents .pdf.exe"C:\Users\Admin\AppData\Local\Temp\Original Shipping documents .pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Original Shipping documents .pdf.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Original Shipping documents .pdf.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Original Shipping documents .pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
Original Shipping documents .pdf.exe.log
memory/1472-130-0x00000000008E0000-0x0000000000962000-memory.dmp
memory/1472-131-0x0000000005920000-0x0000000005EC4000-memory.dmp
memory/1472-132-0x0000000005370000-0x0000000005402000-memory.dmp
memory/1472-133-0x0000000005410000-0x00000000054AC000-memory.dmp
memory/3108-137-0x0000000000400000-0x000000000044C000-memory.dmp
memory/3108-139-0x0000000006790000-0x00000000067F6000-memory.dmp
memory/3108-140-0x0000000006E40000-0x0000000006E90000-memory.dmp
memory/3108-141-0x0000000006BF0000-0x0000000006BFA000-memory.dmp