Analysis
- max time kernel
146s - max time network
126s - platform
windows10_x64 - resource
win10v20210410 - submitted
21/06/2021, 14:01
General
- Target PI Invoice.exe
- Size 767KB
- Sample210621-n4hml8d4pn
- SHA256 7d34ebcd5418ad89a004b65ace563b8bea5a0e01da818e882f33b3e4545d9ccf
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.alruomigroup.com
-
Port
587
-
Username
-
Password
LtURz%y7
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 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PI Invoice.exe"C:\Users\Admin\AppData\Local\Temp\PI Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PI Invoice.exe"C:\Users\Admin\AppData\Local\Temp\PI Invoice.exe"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/3596-134-0x0000000005F70000-0x0000000005F71000-memory.dmp
memory/3596-133-0x00000000056C0000-0x00000000056C1000-memory.dmp
memory/3596-132-0x0000000005210000-0x000000000570E000-memory.dmp
memory/3596-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3944-119-0x0000000005360000-0x0000000005361000-memory.dmp
memory/3944-122-0x00000000054C0000-0x00000000059BE000-memory.dmp
memory/3944-123-0x0000000007920000-0x000000000799B000-memory.dmp
memory/3944-124-0x0000000009FF0000-0x000000000A03C000-memory.dmp
memory/3944-121-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/3944-120-0x0000000005670000-0x0000000005671000-memory.dmp
memory/3944-114-0x0000000000A90000-0x0000000000A91000-memory.dmp
memory/3944-118-0x00000000054C0000-0x00000000054C1000-memory.dmp
memory/3944-117-0x00000000059C0000-0x00000000059C1000-memory.dmp
memory/3944-116-0x0000000005420000-0x0000000005421000-memory.dmp