Analysis
- max time kernel
140s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
29/05/2024, 11:58
General
- Target pagamento240529.exe
- Size 491KB
- Sample240529-n5by9aec57
- SHA256 6762d4556e49a9fe0272ca23cb07595e6e7ca6b78d74cd6a8076678031f530f2
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://mail.hearing-vision.com
-
Port
21
-
Username
-
Password
LILKOOLL14!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\pagamento240529.exe"C:\Users\Admin\AppData\Local\Temp\pagamento240529.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\pagamento240529.exe"C:\Users\Admin\AppData\Local\Temp\pagamento240529.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/216-39-0x0000000004670000-0x000000000597D000-memory.dmp
memory/216-34-0x0000000004670000-0x000000000597D000-memory.dmp
memory/216-35-0x0000000077A31000-0x0000000077B51000-memory.dmp
memory/216-36-0x0000000010004000-0x0000000010005000-memory.dmp
memory/216-42-0x0000000004670000-0x000000000597D000-memory.dmp
memory/3636-41-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/3636-40-0x0000000077AD5000-0x0000000077AD6000-memory.dmp
memory/3636-38-0x0000000077AB8000-0x0000000077AB9000-memory.dmp
memory/3636-37-0x0000000001A50000-0x0000000002D5D000-memory.dmp
memory/3636-43-0x00000000007F0000-0x0000000000832000-memory.dmp
memory/3636-44-0x00000000355D0000-0x0000000035B74000-memory.dmp
memory/3636-45-0x0000000035C80000-0x0000000035CE6000-memory.dmp
memory/3636-47-0x0000000036580000-0x00000000365D0000-memory.dmp
memory/3636-48-0x00000000365D0000-0x0000000036662000-memory.dmp
memory/3636-49-0x00000000366A0000-0x00000000366AA000-memory.dmp
memory/3636-51-0x0000000001A50000-0x0000000002D5D000-memory.dmp
memory/3636-52-0x0000000077A31000-0x0000000077B51000-memory.dmp