Analysis
- max time kernel
146s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
11/04/2022, 16:35
General
- Target 0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073.exe
- Size 1.2MB
- Sample220411-t3mwmafhap
- SHA256 0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.aldora-egypt.com
-
Port
587
-
Username
-
Password
EMAIL@2017
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.aldora-egypt.com
-
Port
587
-
Username
-
Password
EMAIL@2017
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073.exe"C:\Users\Admin\AppData\Local\Temp\0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yZFbjelHbFbdU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF33E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073.exe"{path}"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
0fffaa8699a3772768a88fd093cb08eae96c3fd7d694f4c912c9fabb472be073.exe.log
tmpF33E.tmp
memory/4008-127-0x0000000005300000-0x0000000005392000-memory.dmp
memory/4008-128-0x0000000005270000-0x000000000527A000-memory.dmp
memory/4008-129-0x00000000054D0000-0x0000000005526000-memory.dmp
memory/4008-124-0x00000000006F0000-0x0000000000834000-memory.dmp
memory/4008-126-0x0000000005810000-0x0000000005DB4000-memory.dmp
memory/4008-125-0x0000000005190000-0x000000000522C000-memory.dmp
memory/4436-133-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4436-135-0x0000000006310000-0x0000000006376000-memory.dmp
memory/4436-136-0x0000000006880000-0x00000000068D0000-memory.dmp