Analysis
- max time kernel
74s - max time network
53s - platform
windows7_x64 - resource
win7 - submitted
26/06/2020, 15:19
General
- Target Proforma Invoice 00234354_pdf.exe
- Size 436KB
- Sample200626-ynkctff82x
- SHA256 7685e609b6eae44feac570e6fb3f8661bc35f5352c3659e1f0c153faceb033f2
Score
10/10
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 13 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 00234354_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 00234354_pdf.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zaJKuPG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB00C.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Proforma Invoice 00234354_pdf.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/792-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/792-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/792-5-0x0000000000400000-0x000000000044C000-memory.dmp