Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/11/2024, 12:42
General
- Target f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7.exe
- Size 284KB
- Sample241108-pxbtyssfjm
- SHA256 f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7
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\f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7.exe"C:\Users\Admin\AppData\Local\Temp\f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7.exe"C:\Users\Admin\AppData\Local\Temp\f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7.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/3728-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3728-14-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3728-13-0x00000000067C0000-0x000000000685C000-memory.dmp
memory/3728-12-0x00000000066D0000-0x0000000006720000-memory.dmp
memory/3728-9-0x0000000004E20000-0x0000000004E86000-memory.dmp
memory/3728-10-0x0000000074870000-0x0000000075020000-memory.dmp
memory/3728-8-0x0000000074870000-0x0000000075020000-memory.dmp
memory/4700-3-0x0000000004A60000-0x0000000004AF2000-memory.dmp
memory/4700-6-0x0000000004CC0000-0x0000000004D08000-memory.dmp
memory/4700-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp
memory/4700-4-0x0000000074870000-0x0000000075020000-memory.dmp
memory/4700-11-0x0000000074870000-0x0000000075020000-memory.dmp
memory/4700-0-0x000000007487E000-0x000000007487F000-memory.dmp
memory/4700-2-0x0000000004F30000-0x00000000054D4000-memory.dmp
memory/4700-1-0x0000000000180000-0x00000000001CE000-memory.dmp