Analysis
- max time kernel
122s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
29/08/2022, 04:31
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe
- Size 677KB
- Sample220829-e5dneabdgm
- SHA256 78471c31bf9d8b5f7526d6857817b18b8b84df630f1b9161ddcaacdea5121884
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.palumalimited.com
-
Port
587
-
Username
-
Password
pa!bwg]Kl(Z2
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.palumalimited.com
-
Port
587
-
Username
-
Password
pa!bwg]Kl(Z2
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
- 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
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.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\slKtztqf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\slKtztqf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BFF.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.21485.10025.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
tmp3BFF.tmp
memory/1480-150-0x0000000006E40000-0x0000000006E5E000-memory.dmp
memory/1480-155-0x0000000007DC0000-0x0000000007DCE000-memory.dmp
memory/1480-158-0x0000000007EB0000-0x0000000007EB8000-memory.dmp
memory/1480-157-0x0000000007ED0000-0x0000000007EEA000-memory.dmp
memory/1480-154-0x0000000007E10000-0x0000000007EA6000-memory.dmp
memory/1480-139-0x00000000052D0000-0x0000000005306000-memory.dmp
memory/1480-140-0x00000000059D0000-0x0000000005FF8000-memory.dmp
memory/1480-153-0x0000000007C00000-0x0000000007C0A000-memory.dmp
memory/1480-142-0x00000000057D0000-0x00000000057F2000-memory.dmp
memory/1480-144-0x0000000006220000-0x0000000006286000-memory.dmp
memory/1480-143-0x00000000061B0000-0x0000000006216000-memory.dmp
memory/1480-152-0x0000000007B90000-0x0000000007BAA000-memory.dmp
memory/1480-147-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/1480-151-0x00000000081D0000-0x000000000884A000-memory.dmp
memory/1480-148-0x0000000007850000-0x0000000007882000-memory.dmp
memory/1480-149-0x0000000071900000-0x000000007194C000-memory.dmp
memory/4716-146-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4716-156-0x0000000006830000-0x0000000006880000-memory.dmp
memory/4876-132-0x0000000000B20000-0x0000000000BCE000-memory.dmp
memory/4876-134-0x0000000005580000-0x0000000005612000-memory.dmp
memory/4876-133-0x0000000005C60000-0x0000000006204000-memory.dmp
memory/4876-136-0x0000000009080000-0x000000000911C000-memory.dmp
memory/4876-135-0x0000000005560000-0x000000000556A000-memory.dmp