Analysis
- max time kernel
51s - max time network
51s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
15/06/2024, 01:44
General
- Target 76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe
- Size 562KB
- Sample240615-b54m2sydlr
- SHA256 76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cp5ua.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#
-
Email to
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe"C:\Users\Admin\AppData\Local\Temp\76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe"C:\Users\Admin\AppData\Local\Temp\76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/640-8-0x0000000005400000-0x0000000005408000-memory.dmp
memory/640-12-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/640-2-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/640-3-0x0000000005130000-0x00000000051C2000-memory.dmp
memory/640-6-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/640-5-0x0000000005360000-0x00000000053CE000-memory.dmp
memory/640-1-0x00000000006A0000-0x0000000000732000-memory.dmp
memory/640-4-0x0000000005350000-0x000000000535A000-memory.dmp
memory/640-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/640-7-0x00000000054E0000-0x000000000557C000-memory.dmp
memory/4936-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4936-13-0x0000000004FD0000-0x0000000005036000-memory.dmp
memory/4936-10-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4936-11-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4936-14-0x0000000005F10000-0x0000000005F60000-memory.dmp
memory/4936-15-0x0000000075010000-0x00000000757C0000-memory.dmp