Analysis
- max time kernel
114s - max time network
39s - platform
windows7_x64 - resource
win7v20210408 - submitted
30/08/2021, 13:12
General
- Target 9aab484a5709f7565d8553d19e21f589.exe
- Size 1.2MB
- Sample210830-afhz8flefa
- SHA256 fbe10985705a09416e36fe4bed6c63a58e7bcdcecec469f0c025ff6f5d09360e
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- 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\9aab484a5709f7565d8553d19e21f589.exe"C:\Users\Admin\AppData\Local\Temp\9aab484a5709f7565d8553d19e21f589.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bOjNHI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBEEC.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\9aab484a5709f7565d8553d19e21f589.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1540-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1540-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1540-72-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/1776-60-0x00000000011E0000-0x00000000011E1000-memory.dmp
memory/1776-62-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
memory/1776-63-0x00000000003D0000-0x00000000003DE000-memory.dmp
memory/1776-64-0x000000000A2E0000-0x000000000A372000-memory.dmp
memory/1776-65-0x0000000000AB0000-0x0000000000AFE000-memory.dmp