Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
- submitted
02/08/2022, 10:25
General
- Target 6@[email protected]
- Size 561KB
- Sample220802-mfylaafabl
- SHA256 7e375410fe0c29604d0828dd7712aa9e4e48561fd07bc30d6fc86373a3f439ea
Malware Config
Extracted
-
Protocol
smtp
-
Host
multimetals.cfd
-
Port
587
-
Username
-
Password
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
multimetals.cfd
-
Port
587
-
Username
application/x-www-form-urlencoded
-
Password
-
Email to
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.
- 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.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6@[email protected]"C:\Users\Admin\AppData\Local\Temp\6@[email protected]"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\six.exe"C:\Users\Admin\AppData\Local\Temp\six.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"3⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1672-130-0x00000000004B0000-0x0000000000542000-memory.dmp
memory/1672-131-0x0000000005840000-0x0000000005DE4000-memory.dmp
memory/1672-132-0x0000000005330000-0x00000000053CC000-memory.dmp
memory/1672-133-0x000000000AD50000-0x000000000ADE2000-memory.dmp
memory/1672-134-0x00000000066C0000-0x00000000066CA000-memory.dmp
memory/1672-135-0x0000000009FE0000-0x000000000A50C000-memory.dmp
memory/3568-138-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3568-139-0x00000000065A0000-0x0000000006606000-memory.dmp
memory/3568-140-0x0000000006BA0000-0x0000000006BF0000-memory.dmp