Analysis
- max time kernel
139s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
06/09/2023, 15:08
General
- Target z56Solicituddecotizacion.exe
- Size 692KB
- Sample230906-shya7agf2v
- SHA256 7d4f7981db8db1cd2ace8fb209ff9c5e73315bd1ded3157f3ad9bc085052d2e8
Malware Config
Extracted
-
agenttesla
-
https://discord.com/api/webhooks/1134467418245312592/G1BK1fATpX6byvh8uFwCZ7UBAl156f6HjVm3DpgjxWhLYeBWAfeXKjm6Ao-YUA6nxZ6c
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\z56Solicituddecotizacion.exe"C:\Users\Admin\AppData\Local\Temp\z56Solicituddecotizacion.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\z56Solicituddecotizacion.exe"C:\Users\Admin\AppData\Local\Temp\z56Solicituddecotizacion.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2256-8-0x0000000008F90000-0x000000000902C000-memory.dmp
memory/2256-0-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2256-2-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/2256-3-0x0000000005040000-0x00000000050D2000-memory.dmp
memory/2256-4-0x0000000005000000-0x0000000005010000-memory.dmp
memory/2256-5-0x0000000005110000-0x000000000511A000-memory.dmp
memory/2256-6-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2256-7-0x0000000005000000-0x0000000005010000-memory.dmp
memory/2256-1-0x00000000005C0000-0x0000000000674000-memory.dmp
memory/2256-13-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4876-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4876-12-0x0000000005860000-0x0000000005870000-memory.dmp
memory/4876-11-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4876-14-0x0000000005870000-0x00000000058D6000-memory.dmp
memory/4876-15-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4876-16-0x0000000007000000-0x0000000007050000-memory.dmp
memory/4876-17-0x0000000005860000-0x0000000005870000-memory.dmp