Analysis
- max time kernel
148s - max time network
148s - platform
windows7_x64 - resource
win7v20201028 - submitted
08/12/2020, 11:29
General
- Target DHL NOTIFICATION.bin.exe
- Size 513KB
- Sample201208-pb2sn69kla
- SHA256 e7ccbe9dfaa198263b85336d9f89a775f7601070708ce65b9e4612332e0207b8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.italianstiles.com
-
Port
587
-
Username
-
Password
htS)Dro2
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL NOTIFICATION.bin.exe"C:\Users\Admin\AppData\Local\Temp\DHL NOTIFICATION.bin.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tvWKaLghdY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD08.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\DHL NOTIFICATION.bin.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/576-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/576-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/576-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/576-13-0x00000000739B0000-0x000000007409E000-memory.dmp
memory/836-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/836-3-0x0000000000D70000-0x0000000000D71000-memory.dmp
memory/836-5-0x0000000000250000-0x000000000025E000-memory.dmp
memory/836-6-0x0000000005320000-0x0000000005397000-memory.dmp