Analysis
- max time kernel
137s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
19/05/2024, 01:00
General
- Target shipment invoice.exe
- Size 491KB
- Sample240519-bcxzssaa84
- SHA256 0c33297e293bffec0a5728c9553044a89b5b4ef7389b2a45fb460dbc0fdf838a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
-
Username
-
Password
webmaster
-
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"2⤵
- 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 --mojo-platform-channel-handle=3748 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/332-11-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/332-1-0x0000000000DA0000-0x0000000000E20000-memory.dmp
memory/332-2-0x0000000005D50000-0x00000000062F4000-memory.dmp
memory/332-3-0x0000000005840000-0x00000000058D2000-memory.dmp
memory/332-4-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/332-5-0x0000000074F0E000-0x0000000074F0F000-memory.dmp
memory/332-6-0x00000000057D0000-0x00000000057DA000-memory.dmp
memory/332-7-0x00000000059D0000-0x0000000005A18000-memory.dmp
memory/332-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp
memory/1096-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1096-10-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1096-9-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1096-12-0x0000000004F90000-0x0000000004FF6000-memory.dmp
memory/1096-13-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/1096-14-0x0000000006640000-0x0000000006690000-memory.dmp
memory/1096-15-0x0000000006730000-0x00000000067CC000-memory.dmp
memory/1096-16-0x0000000074F00000-0x00000000756B0000-memory.dmp