Analysis
- max time kernel
84s - max time network
67s - platform
windows7_x64 - resource
win7-20220414-en - submitted
19/04/2022, 04:17
General
- Target Statement Of Account (3).exe
- Size 917KB
- Sample220419-ewc1hsfbd3
- SHA256 8604f1c98675e3c0d417eb8c93fa89d12780b3d16e7bc3110ef3c8d3596db103
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.laxmigarments.com
-
Port
587
-
Username
-
Password
lax@54321!
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.laxmigarments.com
-
Port
587
-
Username
-
Password
lax@54321!
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 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
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Statement Of Account (3).exe"C:\Users\Admin\AppData\Local\Temp\Statement Of Account (3).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmyQPzKJWUbE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F2F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Statement Of Account (3).exe"{path}"2⤵
- Drops file in Drivers directory
- 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
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Downloads
tmp7F2F.tmp
memory/388-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-60-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-61-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/388-70-0x0000000000400000-0x000000000043A000-memory.dmp
memory/836-56-0x0000000007930000-0x00000000079B4000-memory.dmp
memory/836-57-0x00000000005A0000-0x00000000005DA000-memory.dmp
memory/836-55-0x0000000000330000-0x000000000033A000-memory.dmp
memory/836-54-0x0000000000BF0000-0x0000000000CDE000-memory.dmp