Analysis
- max time kernel
128s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
16/05/2022, 02:18
General
- Target 178306_AT_1001459828_20220516_E_1,PDF.exe
- Size 539KB
- Sample220516-cq9q7acefp
- SHA256 aaecd614bb1827800c51b202b4fba750e4f93cb36d34ac6cfe0aee8d0ee1cec2
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5361654451:AAHYmTepKr6-9tSiLevlFEo3EiHB22BoB8k/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- 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\178306_AT_1001459828_20220516_E_1,PDF.exe"C:\Users\Admin\AppData\Local\Temp\178306_AT_1001459828_20220516_E_1,PDF.exe"1⤵
- Checks computer location settings
- 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\HdQSYcE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HdQSYcE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21FF.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\178306_AT_1001459828_20220516_E_1,PDF.exe"C:\Users\Admin\AppData\Local\Temp\178306_AT_1001459828_20220516_E_1,PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
tmp21FF.tmp
memory/216-148-0x00000000063A0000-0x00000000063BE000-memory.dmp
memory/216-150-0x0000000006490000-0x00000000064AA000-memory.dmp
memory/216-156-0x0000000007430000-0x0000000007438000-memory.dmp
memory/216-155-0x0000000007450000-0x000000000746A000-memory.dmp
memory/216-154-0x0000000007340000-0x000000000734E000-memory.dmp
memory/216-144-0x0000000005730000-0x0000000005796000-memory.dmp
memory/216-138-0x00000000024E0000-0x0000000002516000-memory.dmp
memory/216-152-0x0000000007390000-0x0000000007426000-memory.dmp
memory/216-140-0x0000000005090000-0x00000000056B8000-memory.dmp
memory/216-151-0x0000000007190000-0x000000000719A000-memory.dmp
memory/216-143-0x0000000004E30000-0x0000000004E52000-memory.dmp
memory/216-145-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/216-147-0x00000000703C0000-0x000000007040C000-memory.dmp
memory/216-149-0x00000000077F0000-0x0000000007E6A000-memory.dmp
memory/216-146-0x00000000063E0000-0x0000000006412000-memory.dmp
memory/3956-153-0x0000000006970000-0x00000000069C0000-memory.dmp
memory/3956-142-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4848-130-0x00000000000E0000-0x000000000016C000-memory.dmp
memory/4848-132-0x0000000004B50000-0x0000000004BE2000-memory.dmp
memory/4848-131-0x0000000005100000-0x00000000056A4000-memory.dmp
memory/4848-135-0x0000000007500000-0x0000000007566000-memory.dmp
memory/4848-134-0x0000000004B20000-0x0000000004B2A000-memory.dmp
memory/4848-133-0x0000000004BF0000-0x0000000004C8C000-memory.dmp