Analysis
- max time kernel
70s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
09/02/2023, 09:43
General
- Target BL-SHIPPING DOCUMENT.exe
- Size 326KB
- Sample230209-lpyf7seh66
- SHA256 53606fcd5a8f195a763cb48f5aafffac01fdfb8e73d5fe99438ebc2d1eba6eca
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 IoCs
- 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.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENT.exe"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING DOCUMENT.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lxwqfwyb.exe"C:\Users\Admin\AppData\Local\Temp\lxwqfwyb.exe" C:\Users\Admin\AppData\Local\Temp\xdlerxqldy.qa2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lxwqfwyb.exe"C:\Users\Admin\AppData\Local\Temp\lxwqfwyb.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
fwhjxqgs.dcq
lxwqfwyb.exe
lxwqfwyb.exe
lxwqfwyb.exe
xdlerxqldy.qa
memory/4648-139-0x00000000057B0000-0x0000000005D54000-memory.dmp
memory/4648-140-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4648-141-0x00000000050D0000-0x0000000005136000-memory.dmp
memory/4648-142-0x0000000006000000-0x0000000006092000-memory.dmp
memory/4648-143-0x0000000005FA0000-0x0000000005FAA000-memory.dmp
memory/4648-144-0x0000000006210000-0x0000000006260000-memory.dmp
memory/4648-145-0x0000000006430000-0x00000000065F2000-memory.dmp