Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 01:50
General
- Target a6b7281c83bcb2cb57c1663125e3f552d95b35622762da3594e27dddb3a6e306.exe
- Size 274KB
- Sample240613-b9m6vstdrm
- SHA256 a6b7281c83bcb2cb57c1663125e3f552d95b35622762da3594e27dddb3a6e306
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
uJ}Y+wl}5B6K
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
uJ}Y+wl}5B6K
-
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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables containing URLs to raw contents of a Github gist 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6b7281c83bcb2cb57c1663125e3f552d95b35622762da3594e27dddb3a6e306.exe"C:\Users\Admin\AppData\Local\Temp\a6b7281c83bcb2cb57c1663125e3f552d95b35622762da3594e27dddb3a6e306.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/4852-0-0x000000007516E000-0x000000007516F000-memory.dmp
memory/4852-1-0x0000000000BA0000-0x0000000000BEA000-memory.dmp
memory/4852-2-0x0000000075160000-0x0000000075910000-memory.dmp
memory/4852-3-0x0000000007AE0000-0x0000000007D12000-memory.dmp
memory/4852-4-0x00000000082C0000-0x0000000008864000-memory.dmp
memory/4852-5-0x0000000007EB0000-0x0000000007F42000-memory.dmp
memory/4852-9-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-6-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-19-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-27-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-69-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-67-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-65-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-63-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-61-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-59-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-57-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-55-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-53-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-51-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-49-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-47-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-45-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-43-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-41-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-39-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-37-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-35-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-33-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-31-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-29-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-23-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-21-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-17-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-15-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-13-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-11-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-7-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-25-0x0000000007AE0000-0x0000000007D0B000-memory.dmp
memory/4852-4892-0x0000000075160000-0x0000000075910000-memory.dmp
memory/4852-4893-0x0000000005E60000-0x0000000005ECE000-memory.dmp
memory/4852-4894-0x0000000005F50000-0x0000000005F9C000-memory.dmp
memory/4852-4895-0x0000000006000000-0x0000000006054000-memory.dmp
memory/4852-4897-0x0000000006050000-0x0000000006094000-memory.dmp
memory/4852-4898-0x0000000006480000-0x00000000064E6000-memory.dmp
memory/4852-4899-0x0000000006850000-0x00000000068A0000-memory.dmp
memory/4852-4900-0x00000000069C0000-0x0000000006A5C000-memory.dmp
memory/4852-4901-0x000000007516E000-0x000000007516F000-memory.dmp
memory/4852-4902-0x0000000075160000-0x0000000075910000-memory.dmp
memory/4852-4903-0x0000000075160000-0x0000000075910000-memory.dmp
memory/4852-4904-0x00000000068B0000-0x00000000068BA000-memory.dmp