Analysis
- max time kernel
91s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
06/04/2023, 22:26
General
- Target QUOTATION.exe
- Size 1015KB
- Sample230406-2cg7fsfd68
- SHA256 795d861d9411ea359cd6d19ca0f94f15a600e1ab1dff4d7c0e59755065b6babe
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.focuzpartsmart.com
-
Port
587
-
Username
-
Password
FpmJhn@2023
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION.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\uNukQo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB21A.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
QUOTATION.exe.log
tmpB21A.tmp
memory/1156-137-0x0000000005430000-0x0000000005440000-memory.dmp
memory/1156-134-0x0000000005830000-0x00000000058CC000-memory.dmp
memory/1156-133-0x00000000009D0000-0x0000000000AD4000-memory.dmp
memory/1156-138-0x0000000005500000-0x000000000550A000-memory.dmp
memory/1156-139-0x0000000005B20000-0x0000000005B76000-memory.dmp
memory/1156-140-0x0000000005430000-0x0000000005440000-memory.dmp
memory/1156-135-0x0000000005E80000-0x0000000006424000-memory.dmp
memory/1156-136-0x00000000058D0000-0x0000000005962000-memory.dmp
memory/4696-144-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4696-147-0x0000000005700000-0x0000000005766000-memory.dmp
memory/4696-148-0x00000000056F0000-0x0000000005700000-memory.dmp
memory/4696-149-0x00000000069F0000-0x0000000006A40000-memory.dmp
memory/4696-150-0x0000000006C10000-0x0000000006DD2000-memory.dmp
memory/4696-151-0x00000000056F0000-0x0000000005700000-memory.dmp