Analysis
- max time kernel
14s - max time network
112s - platform
windows7_x64 - resource
win7-20241010-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
-
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 9 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
memory/2148-0-0x00000000749FE000-0x00000000749FF000-memory.dmp
memory/2148-1-0x00000000001C0000-0x0000000000218000-memory.dmp
memory/2148-2-0x0000000000360000-0x0000000000372000-memory.dmp
memory/2156-3-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-6-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-18-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-15-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-11-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2156-5-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-10-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-4-0x0000000000080000-0x00000000000C2000-memory.dmp
memory/2156-19-0x00000000749F0000-0x00000000750DE000-memory.dmp
memory/2156-20-0x00000000749F0000-0x00000000750DE000-memory.dmp
memory/2156-21-0x00000000749F0000-0x00000000750DE000-memory.dmp