Analysis
- max time kernel
137s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
- submitted
29/07/2022, 14:47
General
- Target 9fbb0c623c90b128847a87493ccc7dc4.exe
- Size 825KB
- Sample220729-r5v9nsaef2
- SHA256 b9440e31cda0fe1b69ac45901fe2eb19a553abdfce4c7ddfae232bf07d7dc2e8
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl/
-
Port
21
-
Username
-
Password
LILKOOLL14!!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fbb0c623c90b128847a87493ccc7dc4.exe"C:\Users\Admin\AppData\Local\Temp\9fbb0c623c90b128847a87493ccc7dc4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9fbb0c623c90b128847a87493ccc7dc4.exe"C:\Users\Admin\AppData\Local\Temp\9fbb0c623c90b128847a87493ccc7dc4.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
9fbb0c623c90b128847a87493ccc7dc4.exe.log
memory/3556-137-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3556-139-0x0000000006650000-0x00000000066A0000-memory.dmp
memory/3580-130-0x0000000000B50000-0x0000000000C24000-memory.dmp
memory/3580-131-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/3580-132-0x0000000005640000-0x00000000056D2000-memory.dmp
memory/3580-133-0x00000000055E0000-0x00000000055EA000-memory.dmp
memory/3580-134-0x0000000007AF0000-0x0000000007B8C000-memory.dmp
memory/3580-135-0x000000000A370000-0x000000000A3D6000-memory.dmp