Analysis
- max time kernel
138s - max time network
140s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
21/01/2022, 16:25
General
- Target Invoice_DDT N. 201 LGM47436.exe
- Size 874KB
- Sample220121-twypjsabg4
- SHA256 f2c6a57690440bb544bc9d083daf77fd62abe9b0c1840e89e44af5ffd9311e70
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1641777799:AAHdp3u4L6fVtZntWVtNfV4UJrnCJ4wHmD4/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice_DDT N. 201 LGM47436.exe"C:\Users\Admin\AppData\Local\Temp\Invoice_DDT N. 201 LGM47436.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wGtBfyBWoAPgx.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wGtBfyBWoAPgx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9A7.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice_DDT N. 201 LGM47436.exe"C:\Users\Admin\AppData\Local\Temp\Invoice_DDT N. 201 LGM47436.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1484-153-0x0000000009850000-0x00000000098F5000-memory.dmp
memory/1484-134-0x0000000007CD0000-0x0000000007D36000-memory.dmp
memory/1484-355-0x00000000093E0000-0x00000000093E8000-memory.dmp
memory/1484-350-0x00000000093F0000-0x000000000940A000-memory.dmp
memory/1484-157-0x0000000004B33000-0x0000000004B34000-memory.dmp
memory/1484-155-0x0000000009A10000-0x0000000009AA4000-memory.dmp
memory/1484-154-0x000000007FC00000-0x000000007FC01000-memory.dmp
memory/1484-125-0x0000000006EC0000-0x0000000006EF6000-memory.dmp
memory/1484-126-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/1484-148-0x00000000094E0000-0x00000000094FE000-memory.dmp
memory/1484-128-0x0000000007530000-0x0000000007B58000-memory.dmp
memory/1484-147-0x0000000009500000-0x0000000009533000-memory.dmp
memory/1484-130-0x0000000007BC0000-0x0000000007BE2000-memory.dmp
memory/1484-131-0x0000000004B32000-0x0000000004B33000-memory.dmp
memory/1484-138-0x0000000008640000-0x00000000086B6000-memory.dmp
memory/1484-132-0x0000000007C60000-0x0000000007CC6000-memory.dmp
memory/1484-136-0x0000000007DD0000-0x0000000007DEC000-memory.dmp
memory/1484-135-0x0000000007E50000-0x00000000081A0000-memory.dmp
memory/1484-137-0x0000000008850000-0x000000000889B000-memory.dmp
memory/1508-117-0x0000000004B10000-0x0000000004BA2000-memory.dmp
memory/1508-116-0x0000000004F70000-0x000000000546E000-memory.dmp
memory/1508-115-0x0000000000040000-0x0000000000120000-memory.dmp
memory/1508-122-0x00000000073A0000-0x0000000007410000-memory.dmp
memory/1508-121-0x0000000007200000-0x000000000729C000-memory.dmp
memory/1508-120-0x0000000006ED0000-0x0000000006EDA000-memory.dmp
memory/1508-119-0x0000000004A90000-0x0000000004A9A000-memory.dmp
memory/1508-118-0x0000000004A30000-0x0000000004A40000-memory.dmp
memory/4084-133-0x0000000005780000-0x0000000005C7E000-memory.dmp
memory/4084-129-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4084-159-0x0000000006390000-0x00000000063A8000-memory.dmp
memory/4084-369-0x0000000005780000-0x0000000005C7E000-memory.dmp