Analysis
- max time kernel
61s - max time network
144s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 13:37
General
- Target Swift document.exe
- Size 796KB
- Sample200624-gctr6rp26a
- SHA256 2a00c8f1e74ad67fbd46cb64e3af0cbe77f56f99b7b2f8856703d4a0e2bfa7da
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.yaprakmoda.com
-
Port
587
-
Username
-
Password
Ww3bJ5P9
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.yaprakmoda.com
-
Port
587
-
Username
-
Password
Ww3bJ5P9
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops startup file 1 IoCs
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift document.exe"C:\Users\Admin\AppData\Local\Temp\Swift document.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\Swift document.exe"C:\Users\Admin\AppData\Local\Temp\Swift document.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3856-1-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3856-3-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3856-4-0x0000000000400000-0x00000000004A5000-memory.dmp
memory/3856-5-0x0000000002190000-0x00000000021DC000-memory.dmp
memory/3856-6-0x0000000000782000-0x0000000000783000-memory.dmp