Analysis
- max time kernel
103s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
19/02/2025, 02:01
General
- Target chitanta de plata 002093940409505050960000.exe
- Size 329KB
- Sample250219-cflxdatrbw
- SHA256 5a4e470b3209d805f2c4f0707795907a5e5d2964d1ec35b9b42eb8e6d5dc9f82
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.concaribe.com
-
Port
21
-
Username
-
Password
ro}UWgz#!38E
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.concaribe.com
-
Port
21
-
Username
-
Password
ro}UWgz#!38E
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\chitanta de plata 002093940409505050960000.exe"C:\Users\Admin\AppData\Local\Temp\chitanta de plata 002093940409505050960000.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\chitanta de plata 002093940409505050960000.exe"C:\Users\Admin\AppData\Local\Temp\chitanta de plata 002093940409505050960000.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
chitanta de plata 002093940409505050960000.exe.log
memory/4868-3-0x0000000005EA0000-0x0000000006444000-memory.dmp
memory/4868-2-0x0000000003040000-0x0000000003052000-memory.dmp
memory/4868-0-0x0000000074FEE000-0x0000000074FEF000-memory.dmp
memory/4868-4-0x0000000005810000-0x00000000058AC000-memory.dmp
memory/4868-1-0x0000000000D00000-0x0000000000D58000-memory.dmp
memory/5072-5-0x0000000000400000-0x0000000000442000-memory.dmp
memory/5072-8-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/5072-9-0x0000000004F50000-0x0000000004FB6000-memory.dmp
memory/5072-10-0x0000000074FE0000-0x0000000075790000-memory.dmp
memory/5072-11-0x0000000006760000-0x00000000067B0000-memory.dmp
memory/5072-12-0x0000000006990000-0x0000000006A22000-memory.dmp
memory/5072-13-0x0000000006930000-0x000000000693A000-memory.dmp
memory/5072-14-0x0000000074FE0000-0x0000000075790000-memory.dmp