Analysis
- max time kernel
120s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
06/04/2023, 05:57
General
- Target QUOTATION.exe
- Size 562KB
- Sample230406-gnlc2abf52
- SHA256 71bb21d0c0cd50a53a292e523455a0b270fa255f63cd132395fded0d91c447d4
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mitcomicrons.com
-
Port
587
-
Username
-
Password
mitco#123
-
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 3 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\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
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vxRfCYilB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFC4.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"{path}"2⤵
-
-
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
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Downloads
QUOTATION.exe.log
tmpEFC4.tmp
memory/3836-143-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3836-150-0x0000000005340000-0x0000000005350000-memory.dmp
memory/3836-149-0x0000000006890000-0x0000000006A52000-memory.dmp
memory/3836-148-0x0000000006670000-0x00000000066C0000-memory.dmp
memory/3836-147-0x0000000005340000-0x0000000005350000-memory.dmp
memory/3836-146-0x00000000052D0000-0x0000000005336000-memory.dmp
memory/3948-136-0x0000000004EA0000-0x0000000004F3C000-memory.dmp
memory/3948-139-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/3948-138-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/3948-137-0x0000000004DB0000-0x0000000004DBA000-memory.dmp
memory/3948-133-0x00000000002E0000-0x0000000000372000-memory.dmp
memory/3948-135-0x0000000004D10000-0x0000000004DA2000-memory.dmp
memory/3948-134-0x00000000053B0000-0x0000000005954000-memory.dmp