Analysis
- max time kernel
68s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
17/11/2022, 15:14
General
- Target DHL6880195125.pdf.exe
- Size 791KB
- Sample221117-smbb8aeg33
- SHA256 54983544e9fd6e0423bcd9ea883e4ff1375abcdd58876d79701e9d24882500ed
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1811619770:AAFrDwJQYCxCT181KndsOXVm-5nI3F-JjCc/
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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL6880195125.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL6880195125.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\NoSiTQRgBVUnl.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NoSiTQRgBVUnl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55A2.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL6880195125.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL6880195125.pdf.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\DHL6880195125.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL6880195125.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
tmp55A2.tmp
memory/2952-146-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/2952-156-0x0000000007B90000-0x0000000007B9E000-memory.dmp
memory/2952-158-0x0000000007C80000-0x0000000007C88000-memory.dmp
memory/2952-157-0x0000000007CA0000-0x0000000007CBA000-memory.dmp
memory/2952-139-0x0000000002D80000-0x0000000002DB6000-memory.dmp
memory/2952-147-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/2952-142-0x00000000057D0000-0x0000000005DF8000-memory.dmp
memory/2952-155-0x0000000007BE0000-0x0000000007C76000-memory.dmp
memory/2952-154-0x00000000079D0000-0x00000000079DA000-memory.dmp
memory/2952-153-0x0000000007960000-0x000000000797A000-memory.dmp
memory/2952-145-0x0000000005EC0000-0x0000000005EE2000-memory.dmp
memory/2952-148-0x0000000006650000-0x000000000666E000-memory.dmp
memory/2952-151-0x0000000006C00000-0x0000000006C1E000-memory.dmp
memory/2952-152-0x0000000007FA0000-0x000000000861A000-memory.dmp
memory/2952-149-0x0000000007620000-0x0000000007652000-memory.dmp
memory/2952-150-0x00000000757C0000-0x000000007580C000-memory.dmp
memory/3180-132-0x0000000000C10000-0x0000000000CDC000-memory.dmp
memory/3180-135-0x0000000005810000-0x000000000581A000-memory.dmp
memory/3180-133-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/3180-134-0x0000000005680000-0x0000000005712000-memory.dmp
memory/3180-136-0x0000000007CC0000-0x0000000007D5C000-memory.dmp
memory/5104-144-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5104-159-0x0000000006A60000-0x0000000006AB0000-memory.dmp