Analysis
- max time kernel
109s - max time network
40s - platform
windows7_x64 - resource
win7v20210408 - submitted
09/08/2021, 14:17
General
- Target ARRIVAL NOTICE_4051896202736.xls.exe
- Size 278KB
- Sample210809-3qydfcry32
- SHA256 11158aa236a07183547892ad906115d89ef9e2563f0fe56cc77dcef8bc581129
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
m002.dapurhosting.com
-
Port
587
-
Username
-
Password
CAESAR09876#@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"C:\Users\Admin\AppData\Local\Temp\ARRIVAL NOTICE_4051896202736.xls.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1304-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1304-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1304-68-0x0000000002350000-0x0000000002351000-memory.dmp
memory/1304-69-0x0000000002351000-0x0000000002352000-memory.dmp
memory/1308-60-0x0000000000E00000-0x0000000000E01000-memory.dmp
memory/1308-62-0x0000000000830000-0x000000000086C000-memory.dmp
memory/1308-63-0x0000000000AA0000-0x0000000000AA1000-memory.dmp