Analysis
- max time kernel
130s - max time network
112s - platform
windows10_x64 - resource
win10v20210408 - submitted
13/04/2021, 20:16
General
- Target Purchase Order.exe
- Size 777KB
- Sample210413-qlm7sd6jts
- SHA256 bef73939d8d5403278f79dfd485d78d78a7ffd71e3171a1b0e6a1a492173ff47
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server126.web-hosting.com
-
Port
587
-
Username
-
Password
F]0fJ[fn)WB@
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"{path}"2⤵
- Adds Run key to start application
- 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/632-124-0x0000000000400000-0x000000000043C000-memory.dmp
memory/632-133-0x0000000005C00000-0x0000000005C01000-memory.dmp
memory/632-132-0x0000000005080000-0x0000000005081000-memory.dmp
memory/632-131-0x0000000004EA0000-0x000000000539E000-memory.dmp
memory/4804-118-0x00000000052E0000-0x00000000057DE000-memory.dmp
memory/4804-122-0x000000000A150000-0x000000000A20E000-memory.dmp
memory/4804-123-0x0000000008B90000-0x0000000008C17000-memory.dmp
memory/4804-121-0x0000000008C30000-0x0000000008C31000-memory.dmp
memory/4804-120-0x0000000008B80000-0x0000000008B85000-memory.dmp
memory/4804-119-0x0000000005370000-0x0000000005371000-memory.dmp
memory/4804-114-0x0000000000A80000-0x0000000000A81000-memory.dmp
memory/4804-117-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/4804-116-0x00000000057E0000-0x00000000057E1000-memory.dmp