Analysis
- max time kernel
126s - max time network
130s - platform
windows10_x64 - resource
win10 - submitted
05/10/2020, 11:11
General
- Target a1bc578c333934e68f8b583415fad797.exe
- Size 862KB
- Sample201005-dv1m9x7edj
- SHA256 744ebb2e77533c06399b3e375e997c864eecc2a20d97145c028a44575a6a44c8
Malware Config
Extracted
-
Protocol
smtp
-
Host
bh-58.webhostbox.net
-
Port
587
-
Username
-
Password
7213575aceACE@#$
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 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\a1bc578c333934e68f8b583415fad797.exe"C:\Users\Admin\AppData\Local\Temp\a1bc578c333934e68f8b583415fad797.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a1bc578c333934e68f8b583415fad797.exe"C:\Users\Admin\AppData\Local\Temp\a1bc578c333934e68f8b583415fad797.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/2268-1-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/2268-3-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/2268-4-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/2268-5-0x00000000021E0000-0x0000000002246000-memory.dmp
memory/2268-6-0x0000000000952000-0x0000000000953000-memory.dmp
memory/3612-0-0x0000000000400000-0x00000000004DD000-memory.dmp