Analysis
- max time kernel
91s - max time network
108s - platform
windows7_x64 - resource
win7 - submitted
19/08/2020, 11:30
General
- Target finish.exe
- Size 824KB
- Sample200819-b77rtk8mfj
- SHA256 3da7c55aab706ac053ca313cc24d065983e8eaed5172366e93fdf8b2d644f829
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.materialsmiquel.com
-
Port
587
-
Username
-
Password
fa5pEpewrE8a
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\finish.exe"C:\Users\Admin\AppData\Local\Temp\finish.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\finish.exe"C:\Users\Admin\AppData\Local\Temp\finish.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/308-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/308-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/308-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/308-4-0x00000000002C0000-0x000000000030C000-memory.dmp
memory/308-5-0x0000000001FE2000-0x0000000001FE3000-memory.dmp
memory/308-6-0x0000000000220000-0x0000000000266000-memory.dmp
memory/308-8-0x0000000074300000-0x00000000749EE000-memory.dmp