Analysis
- max time kernel
149s - max time network
56s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 06:35
General
- Target HSBC Payment Advice_PDF.scr
- Size 31KB
- Sample210929-hcdpgsdgf9
- SHA256 96dc80764ccc8c8fc12ebdbd055bd05e88c1ee4d4e7d6d95b32ea2b59c8f4bc9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server193.web-hosting.com
-
Port
587
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Username
-
Password
u0B}H#zr*1T4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_PDF.scr"C:\Users\Admin\AppData\Local\Temp\HSBC Payment Advice_PDF.scr" /S1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exeC:\Users\Admin\AppData\Local\Temp\aspnet_compiler.exe2⤵
- Executes dropped EXE
- 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/584-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/584-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/584-66-0x0000000000930000-0x0000000000931000-memory.dmp
memory/584-67-0x0000000000931000-0x0000000000932000-memory.dmp
memory/1596-58-0x0000000004660000-0x0000000004684000-memory.dmp
memory/1596-57-0x0000000000AE0000-0x0000000000B1B000-memory.dmp
memory/1596-53-0x0000000000B20000-0x0000000000B21000-memory.dmp
memory/1596-56-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/1596-55-0x00000000757B1000-0x00000000757B3000-memory.dmp