Analysis
- max time kernel
145s - max time network
144s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/12/2020, 06:54
General
- Target AGROMAR PROFORMA.exe
- Size 649KB
- Sample201217-lfmts2gggs
- SHA256 090d89a937fd7d559781a19a60bbd2ffb50950b7f60925cb14834bb2d8e80993
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.chestronic.com
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Port
587
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Username
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Password
8$@oJ?OGP~ge
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AGROMAR PROFORMA.exe"C:\Users\Admin\AppData\Local\Temp\AGROMAR PROFORMA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YEfgDFZAZOqD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AB8.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/732-6-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/732-3-0x0000000000770000-0x0000000000771000-memory.dmp
memory/732-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/732-7-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/732-8-0x00000000052C0000-0x00000000052C4000-memory.dmp
memory/732-9-0x0000000007680000-0x0000000007725000-memory.dmp
memory/732-10-0x00000000077D0000-0x00000000077D1000-memory.dmp
memory/732-5-0x0000000005640000-0x0000000005641000-memory.dmp
memory/1200-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1200-15-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/1200-20-0x0000000005800000-0x0000000005801000-memory.dmp
memory/1200-21-0x0000000006350000-0x0000000006351000-memory.dmp