Analysis
- max time kernel
140s - max time network
140s - platform
windows10_x64 - resource
win10 - submitted
10/08/2020, 09:50
General
- Target mon.exe
- Size 767KB
- Sample200810-2tchkqxqls
- SHA256 298e36ccbf66428cba5cf385f3bb33d4c807aa707ff06d66869e7d584b3e5287
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.materialsmiquel.com
-
Port
587
-
Username
-
Password
fa5pEpewrE8a
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of WriteProcessMemory 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- AgentTesla Payload 4 IoCs
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\mon.exe"C:\Users\Admin\AppData\Local\Temp\mon.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\mon.exe"C:\Users\Admin\AppData\Local\Temp\mon.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3960-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3960-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3960-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3960-4-0x0000000000990000-0x00000000009DC000-memory.dmp
memory/3960-5-0x00000000023E2000-0x00000000023E3000-memory.dmp
memory/3960-6-0x0000000073140000-0x000000007382E000-memory.dmp
memory/3960-9-0x0000000004830000-0x0000000004831000-memory.dmp
memory/3960-10-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/3960-11-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/3960-12-0x0000000005430000-0x0000000005431000-memory.dmp
memory/3960-13-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/3960-14-0x0000000005E10000-0x0000000005E11000-memory.dmp