Analysis
- max time kernel
133s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:31
General
- Target 382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.exe
- Size 746KB
- Sample240607-bxd3esfc5z
- SHA256 382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6398508790:AAFROO4FvHYek5_hchyogAsV7yTvxfINRRg/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 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 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 WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.exe"C:\Users\Admin\AppData\Local\Temp\382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.exe"C:\Users\Admin\AppData\Local\Temp\382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.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 --field-trial-handle=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3.exe.log
memory/512-10-0x0000000006660000-0x00000000066E2000-memory.dmp
memory/512-11-0x00000000091E0000-0x000000000927C000-memory.dmp
memory/512-3-0x0000000005420000-0x00000000054B2000-memory.dmp
memory/512-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp
memory/512-5-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/512-6-0x0000000006A50000-0x0000000006B08000-memory.dmp
memory/512-7-0x0000000006DF0000-0x0000000006E06000-memory.dmp
memory/512-8-0x00000000065F0000-0x00000000065FE000-memory.dmp
memory/512-2-0x0000000005930000-0x0000000005ED4000-memory.dmp
memory/512-9-0x0000000006600000-0x0000000006610000-memory.dmp
memory/512-4-0x0000000005400000-0x000000000540A000-memory.dmp
memory/512-15-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/512-1-0x0000000000960000-0x0000000000A20000-memory.dmp
memory/1060-12-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1060-16-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/1060-17-0x0000000005770000-0x00000000057D6000-memory.dmp
memory/1060-18-0x0000000074F90000-0x0000000075740000-memory.dmp
memory/1060-19-0x0000000006CC0000-0x0000000006D10000-memory.dmp
memory/1060-20-0x0000000074F90000-0x0000000075740000-memory.dmp