Analysis
- max time kernel
139s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
21/05/2024, 01:02
General
- Target d03799b0dec499e4e9ce745b3e9821b3505f5427967f4c68bdf9868f8a8836e9.exe
- Size 1.3MB
- Sample240521-bd3lnsda45
- SHA256 d03799b0dec499e4e9ce745b3e9821b3505f5427967f4c68bdf9868f8a8836e9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.fasmacopy.gr
-
Port
587
-
Username
-
Password
Fam28sjd
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d03799b0dec499e4e9ce745b3e9821b3505f5427967f4c68bdf9868f8a8836e9.exe"C:\Users\Admin\AppData\Local\Temp\d03799b0dec499e4e9ce745b3e9821b3505f5427967f4c68bdf9868f8a8836e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
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=4488,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3980 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1152-0-0x00007FFE86713000-0x00007FFE86715000-memory.dmp
memory/1152-1-0x000002649F5A0000-0x000002649F5AC000-memory.dmp
memory/1152-2-0x00007FFE86710000-0x00007FFE871D1000-memory.dmp
memory/1152-3-0x00007FFE86710000-0x00007FFE871D1000-memory.dmp
memory/1152-4-0x00000264B8060000-0x00000264B80F4000-memory.dmp
memory/1152-10-0x00007FFE86710000-0x00007FFE871D1000-memory.dmp
memory/4040-8-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/4040-7-0x0000000005DE0000-0x0000000006384000-memory.dmp
memory/4040-6-0x0000000074D3E000-0x0000000074D3F000-memory.dmp
memory/4040-9-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/4040-5-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4040-11-0x0000000006CC0000-0x0000000006D10000-memory.dmp
memory/4040-12-0x0000000006DB0000-0x0000000006E42000-memory.dmp
memory/4040-13-0x0000000006F40000-0x0000000006F4A000-memory.dmp
memory/4040-14-0x0000000074D3E000-0x0000000074D3F000-memory.dmp
memory/4040-15-0x0000000074D30000-0x00000000754E0000-memory.dmp