Analysis
- max time kernel
146s - max time network
6s - platform
windows7_x64 - resource
win7v200722 - submitted
10/08/2020, 09:50
General
- Target mon.exe
- Size 767KB
- Sample200810-2tchkqxqls
- SHA256 298e36ccbf66428cba5cf385f3bb33d4c807aa707ff06d66869e7d584b3e5287
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- AgentTesla Payload 6 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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
-
C:\Users\Admin\AppData\Local\Temp\mon.exe"C:\Users\Admin\AppData\Local\Temp\mon.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/284-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/284-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/284-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/284-4-0x0000000000770000-0x00000000007BC000-memory.dmp
memory/284-5-0x0000000000832000-0x0000000000833000-memory.dmp
memory/284-6-0x0000000000640000-0x0000000000686000-memory.dmp
memory/284-8-0x00000000748C0000-0x0000000074FAE000-memory.dmp