Analysis
- max time kernel
141s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
17/07/2023, 09:21
General
- Target Invoice AR20230714N.7z.001.exe
- Size 621KB
- Sample230717-lbbqaaba83
- SHA256 a2693d124cf3f74ed8b8a9baa33c58df489ea77d7af5001b87a39d06e0108eb1
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.steamd.in
-
Port
587
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Username
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Password
Purchase321@#
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Email to
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice AR20230714N.7z.001.exe"C:\Users\Admin\AppData\Local\Temp\Invoice AR20230714N.7z.001.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\uOIAThuH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8112.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⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp8112.tmp
memory/1812-151-0x00000000048D0000-0x0000000004936000-memory.dmp
memory/1812-150-0x0000000004B70000-0x0000000004B80000-memory.dmp
memory/1812-155-0x0000000004B70000-0x0000000004B80000-memory.dmp
memory/1812-154-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1812-153-0x0000000006660000-0x0000000006822000-memory.dmp
memory/1812-152-0x0000000006440000-0x0000000006490000-memory.dmp
memory/1812-149-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/1812-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2220-135-0x0000000005670000-0x000000000570C000-memory.dmp
memory/2220-141-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/2220-137-0x0000000005840000-0x00000000058D2000-memory.dmp
memory/2220-140-0x00000000059D0000-0x0000000005A26000-memory.dmp
memory/2220-148-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/2220-142-0x0000000005650000-0x0000000005660000-memory.dmp
memory/2220-133-0x0000000000C20000-0x0000000000CC2000-memory.dmp
memory/2220-139-0x0000000005770000-0x000000000577A000-memory.dmp
memory/2220-138-0x0000000005650000-0x0000000005660000-memory.dmp
memory/2220-134-0x0000000074F70000-0x0000000075720000-memory.dmp
memory/2220-136-0x0000000005D50000-0x00000000062F4000-memory.dmp