Analysis
- max time kernel
145s - max time network
150s - platform
windows10_x64 - resource
win10v200722 - submitted
24/09/2020, 06:19
General
- Target printout copy.exe
- Size 756KB
- Sample200924-xfynpwflb2
- SHA256 cf22a4ba35e94ec83bdf1aec7b4422009aa33f7c6a2c707513d7b1a9eafb368c
Malware Config
Extracted
-
agenttesla
-
https://accinning-tw.com/xmw/inc/58912fa3271535.php
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\printout copy.exe"C:\Users\Admin\AppData\Local\Temp\printout copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aCGNTZdrEyTFP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp854E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\printout copy.exe"{path}"2⤵
- 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/408-9-0x000000000A180000-0x000000000A1D0000-memory.dmp
memory/408-4-0x0000000005620000-0x0000000005621000-memory.dmp
memory/408-5-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/408-6-0x0000000007910000-0x0000000007911000-memory.dmp
memory/408-7-0x00000000057D0000-0x00000000057DB000-memory.dmp
memory/408-8-0x0000000007AE0000-0x0000000007B36000-memory.dmp
memory/408-0-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/408-1-0x0000000000C90000-0x0000000000C91000-memory.dmp
memory/408-3-0x0000000005A80000-0x0000000005A81000-memory.dmp
memory/496-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/496-15-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/496-20-0x0000000005390000-0x0000000005391000-memory.dmp
memory/496-21-0x0000000005A20000-0x0000000005A21000-memory.dmp