Analysis
- max time kernel
139s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/12/2020, 07:56
General
- Target DHL.TRACKING.DETAILS.PDF.exe
- Size 607KB
- Sample201225-zlz5llpyve
- SHA256 f3861ce2254ecdb6dc2cce1060dc8cfb2dd89b53fddae82321dd84f45c7bb7f4
Malware Config
Extracted
-
Protocol
smtp
-
Host
web2.changeip.com
-
Port
587
-
Username
-
Password
2*xaR!aKyovu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
web2.changeip.com
-
Port
587
-
Username
-
Password
2*xaR!aKyovu
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 5 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\DHL.TRACKING.DETAILS.PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL.TRACKING.DETAILS.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OiGUlFiBIlc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C28.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL.TRACKING.DETAILS.PDF.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2296-15-0x0000000073940000-0x000000007402E000-memory.dmp
memory/2296-12-0x0000000000400000-0x000000000045A000-memory.dmp
memory/2296-23-0x0000000006900000-0x0000000006901000-memory.dmp
memory/2296-21-0x0000000006030000-0x0000000006031000-memory.dmp
memory/2296-20-0x00000000030A0000-0x00000000030A1000-memory.dmp
memory/2604-9-0x0000000008A70000-0x0000000008A71000-memory.dmp
memory/2604-5-0x0000000007FC0000-0x0000000007FC1000-memory.dmp
memory/2604-3-0x0000000000D40000-0x0000000000D41000-memory.dmp
memory/2604-2-0x0000000073940000-0x000000007402E000-memory.dmp
memory/2604-6-0x0000000005710000-0x0000000005714000-memory.dmp
memory/2604-8-0x0000000005020000-0x0000000005095000-memory.dmp
memory/2604-7-0x0000000008060000-0x0000000008061000-memory.dmp