Analysis
- max time kernel
122s - max time network
126s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
19/05/2024, 01:54
General
- Target bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe
- Size 695KB
- Sample240519-cbkthscd7w
- SHA256 bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://eu-west-1.sftpcloud.io
-
Port
21
-
Username
dc2d3038d5c743319b4d84cc320c4fad
-
Password
xmFBI1ctaq8b1qv5SWZ3AOzpG1Yb6y2K
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"C:\Users\Admin\AppData\Local\Temp\bb3bc7994d092c3f510327cf6e11506fe17c0d6fae9ae220de12f5928a2c185e.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1660-0-0x0000000073FEE000-0x0000000073FEF000-memory.dmp
memory/1660-1-0x0000000000910000-0x00000000009C2000-memory.dmp
memory/1660-2-0x0000000073FE0000-0x00000000746CE000-memory.dmp
memory/1660-3-0x00000000005D0000-0x00000000005F2000-memory.dmp
memory/1660-4-0x0000000000470000-0x000000000047C000-memory.dmp
memory/1660-5-0x00000000002D0000-0x00000000002E0000-memory.dmp
memory/1660-6-0x0000000004C80000-0x0000000004D02000-memory.dmp
memory/1660-21-0x0000000073FE0000-0x00000000746CE000-memory.dmp
memory/1660-18-0x0000000073FEE000-0x0000000073FEF000-memory.dmp
memory/2872-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-7-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2872-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-13-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2872-20-0x0000000073FE0000-0x00000000746CE000-memory.dmp
memory/2872-22-0x0000000073FE0000-0x00000000746CE000-memory.dmp
memory/2872-23-0x0000000073FE0000-0x00000000746CE000-memory.dmp