Analysis
- max time kernel
89s - max time network
149s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 13:13
General
- Target e5b4174f618ea3c3af781c29afe79a7b.exe
- Size 742KB
- Sample200624-gsntdws4as
- SHA256 4e892591da59a34dbe9f193aee50de68ada3b074011a28f14323539147c554a6
Malware Config
Extracted
-
Protocol
smtp
-
Host
rs200.webhostbox.net
-
Port
587
-
Username
-
Password
7213575aceACE@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
rs200.webhostbox.net
-
Port
587
-
Username
-
Password
7213575aceACE@
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.
- 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e5b4174f618ea3c3af781c29afe79a7b.exe"C:\Users\Admin\AppData\Local\Temp\e5b4174f618ea3c3af781c29afe79a7b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e5b4174f618ea3c3af781c29afe79a7b.exe"C:\Users\Admin\AppData\Local\Temp\e5b4174f618ea3c3af781c29afe79a7b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3852-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3852-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3852-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3852-4-0x0000000002170000-0x00000000021BC000-memory.dmp
memory/3852-5-0x0000000002202000-0x0000000002203000-memory.dmp