Analysis
- max time kernel
145s - max time network
116s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/02/2023, 12:53
General
- Target Shipping Documents.exe
- Size 289KB
- Sample230221-p4l89sgf7x
- SHA256 165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
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
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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\Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aiezjcr.exe"C:\Users\Admin\AppData\Local\Temp\aiezjcr.exe" C:\Users\Admin\AppData\Local\Temp\vobgshzxl.sg2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aiezjcr.exe"C:\Users\Admin\AppData\Local\Temp\aiezjcr.exe"3⤵
- Executes dropped EXE
- 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
aiezjcr.exe
aiezjcr.exe
aiezjcr.exe
vobgshzxl.sg
wamponcich.vv
memory/3040-149-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-153-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-145-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3040-147-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3040-148-0x0000000004990000-0x0000000004F34000-memory.dmp
memory/3040-142-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3040-150-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-151-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-152-0x0000000004FA0000-0x0000000005006000-memory.dmp
memory/3040-144-0x0000000000400000-0x0000000000441000-memory.dmp
memory/3040-154-0x0000000006170000-0x0000000006202000-memory.dmp
memory/3040-155-0x0000000006260000-0x000000000626A000-memory.dmp
memory/3040-157-0x0000000005FA0000-0x0000000005FF0000-memory.dmp
memory/3040-158-0x0000000006500000-0x00000000066C2000-memory.dmp
memory/3040-159-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-160-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-161-0x0000000004980000-0x0000000004990000-memory.dmp
memory/3040-162-0x0000000004980000-0x0000000004990000-memory.dmp