Analysis
- max time kernel
185s - max time network
190s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/12/2022, 17:32
General
- Target RFQXtotalXtunisiaXdecXorder.exe
- Size 688KB
- Sample221207-v4ahcsfe55
- SHA256 837ee4fe1bd6e6226f7e033a89bbdd0f45ab18273d314c16cf1d723e258c5613
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.saudlunion.com
-
Port
587
-
Username
-
Password
QkOo#D#4
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 7 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\RFQXtotalXtunisiaXdecXorder.exe"C:\Users\Admin\AppData\Local\Temp\RFQXtotalXtunisiaXdecXorder.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\sercgfLEWf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sercgfLEWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD198.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\RFQXtotalXtunisiaXdecXorder.exe"C:\Users\Admin\AppData\Local\Temp\RFQXtotalXtunisiaXdecXorder.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
tmpD198.tmp
memory/1360-144-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/1360-155-0x0000000007D30000-0x0000000007D3E000-memory.dmp
memory/1360-157-0x0000000007E20000-0x0000000007E28000-memory.dmp
memory/1360-156-0x0000000007E40000-0x0000000007E5A000-memory.dmp
memory/1360-146-0x0000000006800000-0x000000000681E000-memory.dmp
memory/1360-139-0x0000000002ED0000-0x0000000002F06000-memory.dmp
memory/1360-141-0x0000000005A10000-0x0000000006038000-memory.dmp
memory/1360-154-0x0000000007D80000-0x0000000007E16000-memory.dmp
memory/1360-152-0x0000000007B70000-0x0000000007B7A000-memory.dmp
memory/1360-143-0x0000000005830000-0x0000000005852000-memory.dmp
memory/1360-147-0x0000000006DB0000-0x0000000006DE2000-memory.dmp
memory/1360-150-0x0000000008170000-0x00000000087EA000-memory.dmp
memory/1360-145-0x00000000061B0000-0x0000000006216000-memory.dmp
memory/1360-151-0x0000000007B10000-0x0000000007B2A000-memory.dmp
memory/1360-148-0x00000000711E0000-0x000000007122C000-memory.dmp
memory/1360-149-0x0000000006E10000-0x0000000006E2E000-memory.dmp
memory/1396-142-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1396-153-0x0000000006200000-0x0000000006250000-memory.dmp
memory/1396-158-0x0000000000FE0000-0x0000000000FEA000-memory.dmp
memory/3644-134-0x00000000050C0000-0x0000000005152000-memory.dmp
memory/3644-132-0x0000000000490000-0x0000000000542000-memory.dmp
memory/3644-133-0x0000000005590000-0x0000000005B34000-memory.dmp
memory/3644-135-0x0000000005F00000-0x0000000005F9C000-memory.dmp