Analysis
- max time kernel
154s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/05/2022, 22:30
General
- Target RFQ Order - Mediform S.A_pdf.exe
- Size 757KB
- Sample220520-2ese7sfbh8
- SHA256 e72bbdfcc56339eb2aca00e01162d7fdd1004d9992150f2dea1b014d6b4469ac
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.turblneservices.com/
-
Port
21
-
Username
-
Password
90opklnm@123
-
Protocol
ftp
-
Host
ftp://ftp.turblneservices.com/
-
Port
21
-
Username
-
Password
90opklnm@123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iCgcnOUGNbkHS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp747F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ Order - Mediform S.A_pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
RFQ Order - Mediform S.A_pdf.exe.log
tmp747F.tmp
memory/1924-139-0x0000000000400000-0x000000000045A000-memory.dmp
memory/1924-141-0x0000000006120000-0x0000000006186000-memory.dmp
memory/1924-142-0x0000000006FB0000-0x0000000007000000-memory.dmp
memory/4664-133-0x00000000057D0000-0x000000000586C000-memory.dmp
memory/4664-134-0x0000000005730000-0x000000000573A000-memory.dmp
memory/4664-132-0x0000000005690000-0x0000000005722000-memory.dmp
memory/4664-130-0x0000000000C20000-0x0000000000CE4000-memory.dmp
memory/4664-131-0x0000000005B80000-0x0000000006124000-memory.dmp