Analysis
- max time kernel
116s - max time network
120s - platform
windows7_x64 - resource
win7 - submitted
22/07/2020, 09:19
General
- Target PO-616542153_PO_ConfirmationCopy65465.exe
- Size 494KB
- Sample200722-5zlvplg69e
- SHA256 5f8d0e5d206e5b37c552b79782a6777edf6e7a9a1c1db8ce324055baba187f4b
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.kenapens.com
-
Port
587
-
Username
-
Password
@Hammer1980
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- 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.
- 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 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-616542153_PO_ConfirmationCopy65465.exe"C:\Users\Admin\AppData\Local\Temp\PO-616542153_PO_ConfirmationCopy65465.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\apxxmbC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1A2.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO-616542153_PO_ConfirmationCopy65465.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/756-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/756-6-0x0000000000400000-0x000000000044C000-memory.dmp
memory/756-7-0x0000000000400000-0x000000000044C000-memory.dmp