Analysis
- max time kernel
59s - max time network
138s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:00
General
- Target totallyanonymous.com33.exe
- Size 706KB
- Sample201109-jmsndbfb6j
- SHA256 429507366eda040b019369ecb0b5bfbda33fc0c23ec02ce46fef83c8bf4c0b15
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.totallyanonymous.com
-
Port
587
-
Username
-
Password
186s509N
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe"C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe"C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
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C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe"C:\Users\Admin\AppData\Local\Temp\totallyanonymous.com33.exe" 2 5056 2592846092⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/5056-6-0x00000000022D2000-0x00000000022D3000-memory.dmp
memory/5056-10-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/5056-4-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/5056-16-0x0000000005F80000-0x0000000005F81000-memory.dmp
memory/5056-5-0x0000000002170000-0x00000000021C2000-memory.dmp
memory/5056-0-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/5056-7-0x0000000072CA0000-0x000000007338E000-memory.dmp
memory/5056-3-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/5056-11-0x0000000004880000-0x0000000004881000-memory.dmp
memory/5056-12-0x0000000005440000-0x0000000005441000-memory.dmp
memory/5056-13-0x0000000005460000-0x0000000005461000-memory.dmp
memory/5056-15-0x0000000005EB0000-0x0000000005EB1000-memory.dmp