Analysis
- max time kernel
116s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
15/06/2024, 01:31
General
- Target 55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe
- Size 682KB
- Sample240615-bxwbpsvakf
- SHA256 55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.adcconsultant.com
-
Port
587
-
Username
-
Password
K-*b*9RVqYM3uR8FLRvu
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.adcconsultant.com
-
Port
587
-
Username
-
Password
K-*b*9RVqYM3uR8FLRvu
-
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe"C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe"C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe"C:\Users\Admin\AppData\Local\Temp\55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.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
55cdb9093bbf832ee7f903cf8fa2ebcdf46c6c6867ac67e6f6fefa5553d8ed60.exe.log
memory/744-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/744-18-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/744-17-0x0000000006530000-0x0000000006580000-memory.dmp
memory/744-15-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/744-16-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/744-14-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/1508-8-0x0000000007670000-0x00000000076F2000-memory.dmp
memory/1508-0-0x000000007534E000-0x000000007534F000-memory.dmp
memory/1508-9-0x0000000009DD0000-0x0000000009E6C000-memory.dmp
memory/1508-7-0x0000000004D10000-0x0000000004D20000-memory.dmp
memory/1508-6-0x0000000007650000-0x000000000766A000-memory.dmp
memory/1508-13-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/1508-5-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/1508-4-0x0000000004A50000-0x0000000004A5A000-memory.dmp
memory/1508-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp
memory/1508-2-0x0000000005060000-0x0000000005604000-memory.dmp
memory/1508-1-0x00000000000E0000-0x0000000000190000-memory.dmp