Analysis
- max time kernel
148s - max time network
150s - platform
windows7_x64 - resource
win7v20201028 - submitted
17/12/2020, 06:54
General
- Target AGROMAR PROFORMA.exe
- Size 649KB
- Sample201217-lfmts2gggs
- SHA256 090d89a937fd7d559781a19a60bbd2ffb50950b7f60925cb14834bb2d8e80993
Malware Config
Extracted
-
agenttesla
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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 4 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 13 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\tmpCF31.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
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/748-2-0x0000000074090000-0x000000007477E000-memory.dmp
memory/748-3-0x0000000001370000-0x0000000001371000-memory.dmp
memory/748-5-0x0000000000260000-0x0000000000264000-memory.dmp
memory/748-6-0x0000000005400000-0x00000000054A5000-memory.dmp
memory/1468-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1468-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1468-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1468-13-0x0000000074090000-0x000000007477E000-memory.dmp