Analysis
- max time kernel
126s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/11/2022, 13:54
General
- Target beecde4daa66ae172890ad39beaa293b.exe
- Size 362KB
- Sample221110-q7jg8aach2
- SHA256 1c220e85384289de8d43ef19cbb91ab72dd48d4726d90e58ee4ac5dfba40a996
Malware Config
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: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 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\beecde4daa66ae172890ad39beaa293b.exe"C:\Users\Admin\AppData\Local\Temp\beecde4daa66ae172890ad39beaa293b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jkaqhlenbi.exe"C:\Users\Admin\AppData\Local\Temp\jkaqhlenbi.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jkaqhlenbi.exe"C:\Users\Admin\AppData\Local\Temp\jkaqhlenbi.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
jkaqhlenbi.exe
jkaqhlenbi.exe
jkaqhlenbi.exe
pjaqcfsa.ze
plfbvay.lxq
memory/4468-139-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4468-140-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/4468-141-0x0000000005960000-0x00000000059FC000-memory.dmp
memory/4468-142-0x0000000006890000-0x00000000068F6000-memory.dmp
memory/4468-143-0x0000000007210000-0x0000000007260000-memory.dmp
memory/4468-144-0x00000000073F0000-0x0000000007482000-memory.dmp
memory/4468-145-0x00000000074F0000-0x00000000074FA000-memory.dmp