Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
29/01/2023, 07:18
General
- Target PURCHASE ORDER.exe
- Size 822KB
- Sample230129-h4ytqsdd79
- SHA256 9431de0e7a6f14542adabb08e4a2e577d12e221913a7c08ec40aaef66658fff9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.dmstech.in
-
Port
587
-
Username
-
Password
0]6F9Az.pqfd
-
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
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\brsZQRDyDyaFAv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58E.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp58E.tmp
memory/432-132-0x0000000000750000-0x0000000000824000-memory.dmp
memory/432-133-0x0000000005080000-0x000000000511C000-memory.dmp
memory/432-134-0x0000000005820000-0x0000000005DC4000-memory.dmp
memory/432-135-0x00000000051C0000-0x0000000005252000-memory.dmp
memory/432-136-0x0000000005130000-0x000000000513A000-memory.dmp
memory/432-137-0x0000000005270000-0x00000000052C6000-memory.dmp
memory/3096-141-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3096-142-0x00000000065B0000-0x0000000006616000-memory.dmp
memory/3096-143-0x00000000068E0000-0x0000000006930000-memory.dmp