Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
06/07/2023, 13:21
General
- Target 8c95d61b603ae5254044c9bef1bcaddafbec1dfecdf7cded4bb9fa1c9f350e49.exe
- Size 939KB
- Sample230706-qlm9aabd98
- SHA256 8c95d61b603ae5254044c9bef1bcaddafbec1dfecdf7cded4bb9fa1c9f350e49
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6062929209:AAE-UuRxdI4eVGQ4zzjmV383pgQYpsEj2UY/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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).
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8c95d61b603ae5254044c9bef1bcaddafbec1dfecdf7cded4bb9fa1c9f350e49.exe"C:\Users\Admin\AppData\Local\Temp\8c95d61b603ae5254044c9bef1bcaddafbec1dfecdf7cded4bb9fa1c9f350e49.exe"1⤵
- Checks computer location settings
- 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\TxYvcYOeKlah" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F48.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp2F48.tmp
memory/2128-149-0x0000000005670000-0x0000000005680000-memory.dmp
memory/2128-148-0x0000000006D60000-0x0000000006F22000-memory.dmp
memory/2128-147-0x0000000006B40000-0x0000000006B90000-memory.dmp
memory/2128-146-0x0000000005670000-0x0000000005680000-memory.dmp
memory/2128-145-0x00000000055F0000-0x0000000005656000-memory.dmp
memory/2128-143-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3748-136-0x0000000004D30000-0x0000000004DCC000-memory.dmp
memory/3748-139-0x0000000004F60000-0x0000000004F70000-memory.dmp
memory/3748-138-0x0000000004C10000-0x0000000004C1A000-memory.dmp
memory/3748-137-0x0000000004F60000-0x0000000004F70000-memory.dmp
memory/3748-133-0x0000000000170000-0x0000000000262000-memory.dmp
memory/3748-135-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/3748-134-0x0000000005240000-0x00000000057E4000-memory.dmp