Analysis
- max time kernel
108s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
09/02/2023, 04:38
General
- Target PAYMENT SLIP_002_JPEG.exe
- Size 333KB
- Sample230209-e9dtzace39
- SHA256 f246a2928ff4385319ee284a0da694797eb0329423b2ac35a5bc468d56d43263
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.ravv.sk
-
Port
587
-
Username
-
Password
bfE#vKaMi#
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PAYMENT SLIP_002_JPEG.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT SLIP_002_JPEG.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dhwggtgy.exe"C:\Users\Admin\AppData\Local\Temp\dhwggtgy.exe" C:\Users\Admin\AppData\Local\Temp\errciw.h2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dhwggtgy.exe"C:\Users\Admin\AppData\Local\Temp\dhwggtgy.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
dhwggtgy.exe
dhwggtgy.exe
dhwggtgy.exe
errciw.h
hewsc.o
memory/3032-139-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3032-140-0x0000000005620000-0x0000000005BC4000-memory.dmp
memory/3032-141-0x00000000050E0000-0x0000000005146000-memory.dmp
memory/3032-142-0x0000000006870000-0x0000000006902000-memory.dmp
memory/3032-143-0x0000000006850000-0x000000000685A000-memory.dmp
memory/3032-144-0x0000000006910000-0x0000000006960000-memory.dmp
memory/3032-145-0x0000000006C90000-0x0000000006E52000-memory.dmp
memory/3032-146-0x0000000006B60000-0x0000000006BFC000-memory.dmp