Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 01:38
General
- Target 787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe
- Size 712KB
- Sample240612-b2sflsxhpf
- SHA256 787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.groupmt.vn
-
Port
587
-
Username
-
Password
4j37SF2n8e
-
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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe"C:\Users\Admin\AppData\Local\Temp\787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe"C:\Users\Admin\AppData\Local\Temp\787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
787129f9a7835aceb064e6ffbc514d5aedfe27cd6e224c035ff7349d79492e75.exe.log
memory/1724-8-0x0000000006E50000-0x0000000006ED4000-memory.dmp
memory/1724-13-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1724-3-0x0000000005940000-0x00000000059D2000-memory.dmp
memory/1724-4-0x0000000005A20000-0x0000000005A2A000-memory.dmp
memory/1724-5-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/1724-6-0x00000000071F0000-0x0000000007212000-memory.dmp
memory/1724-7-0x0000000005FB0000-0x0000000005FC0000-memory.dmp
memory/1724-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp
memory/1724-2-0x0000000005FD0000-0x0000000006574000-memory.dmp
memory/1724-1-0x0000000000EB0000-0x0000000000F66000-memory.dmp
memory/1724-9-0x0000000008560000-0x00000000085FC000-memory.dmp
memory/2140-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2140-14-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2140-15-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/2140-16-0x0000000074EA0000-0x0000000075650000-memory.dmp
memory/2140-17-0x0000000006550000-0x00000000065A0000-memory.dmp
memory/2140-18-0x0000000074EA0000-0x0000000075650000-memory.dmp