Analysis
- max time kernel
125s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 14:17
General
- Target Shipping Documents PO88900/Shipping Documents PO88900.xlsx.exe
- Size 390KB
- Sample240613-rl1eaawglq
- SHA256 df9e1f7fa8d1badaa7afd42cc3aac4ef5aad3a9973ee71059599325284566e67
Malware Config
Extracted
-
Protocol
ftp
-
Host
s4.serv00.com
-
Port
21
-
Username
f2241_dol
-
Password
Doll900#@
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://s4.serv00.com
-
Port
21
-
Username
f2241_dol
-
Password
Doll900#@
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.
- Adds Run key to start application 2 TTPs 1 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 2 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\Shipping Documents PO88900\Shipping Documents PO88900.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO88900\Shipping Documents PO88900.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO88900\Shipping Documents PO88900.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents PO88900\Shipping Documents PO88900.xlsx.exe"2⤵
- Adds Run key to start application
- 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 --field-trial-handle=4440,i,8998666007764333392,14724298544432336038,262144 --variations-seed-version --mojo-platform-channel-handle=4452 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Shipping Documents PO88900.xlsx.exe.log
memory/1968-6-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/1968-1-0x0000000000030000-0x0000000000096000-memory.dmp
memory/1968-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp
memory/1968-5-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/4812-7-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/4812-2-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4812-8-0x0000000005C70000-0x0000000006214000-memory.dmp
memory/4812-9-0x0000000005630000-0x0000000005696000-memory.dmp
memory/4812-10-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/4812-13-0x0000000006C90000-0x0000000006CE0000-memory.dmp
memory/4812-14-0x0000000006D80000-0x0000000006E1C000-memory.dmp
memory/4812-15-0x0000000006EC0000-0x0000000006F52000-memory.dmp
memory/4812-16-0x0000000006E60000-0x0000000006E6A000-memory.dmp
memory/4812-17-0x0000000074F60000-0x0000000075710000-memory.dmp