Analysis
- max time kernel
112s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
11/05/2022, 07:23
General
- Target doc2022051101001.pdf.exe
- Size 670KB
- Sample220511-h7srwsfhd5
- SHA256 9c071afc054e8a65329317a6b449e9f4119a5546c2b3a5c2ce9bf2cb1a04a46e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.isnova.com.tr
-
Port
587
-
Username
-
Password
isno256548
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc2022051101001.pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc2022051101001.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CuqCgthQbkpdO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CuqCgthQbkpdO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7129.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\doc2022051101001.pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc2022051101001.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
doc2022051101001.pdf.exe.log
tmp7129.tmp
memory/1308-151-0x0000000007640000-0x000000000765A000-memory.dmp
memory/1308-154-0x00000000078C0000-0x0000000007956000-memory.dmp
memory/1308-157-0x0000000007960000-0x0000000007968000-memory.dmp
memory/1308-156-0x0000000007980000-0x000000000799A000-memory.dmp
memory/1308-146-0x0000000006330000-0x000000000634E000-memory.dmp
memory/1308-138-0x0000000004DB0000-0x0000000004DE6000-memory.dmp
memory/1308-144-0x0000000005BA0000-0x0000000005BC2000-memory.dmp
memory/1308-149-0x00000000068A0000-0x00000000068BE000-memory.dmp
memory/1308-141-0x0000000005480000-0x0000000005AA8000-memory.dmp
memory/1308-148-0x0000000070400000-0x000000007044C000-memory.dmp
memory/1308-155-0x0000000007870000-0x000000000787E000-memory.dmp
memory/1308-145-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/1308-152-0x00000000076B0000-0x00000000076BA000-memory.dmp
memory/1308-150-0x0000000007C80000-0x00000000082FA000-memory.dmp
memory/1308-147-0x0000000007300000-0x0000000007332000-memory.dmp
memory/1424-142-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1424-153-0x0000000006770000-0x00000000067C0000-memory.dmp
memory/1568-132-0x0000000005830000-0x00000000058C2000-memory.dmp
memory/1568-130-0x0000000000D80000-0x0000000000E2C000-memory.dmp
memory/1568-133-0x00000000057B0000-0x00000000057BA000-memory.dmp
memory/1568-131-0x0000000005DE0000-0x0000000006384000-memory.dmp
memory/1568-135-0x00000000080C0000-0x0000000008126000-memory.dmp
memory/1568-134-0x0000000007DE0000-0x0000000007E7C000-memory.dmp