Analysis
- max time kernel
118s - max time network
122s - platform
windows7_x64 - resource
win7-20230831-en - resource tags
- submitted
19/09/2023, 07:50
General
- Target Shipping documents SST2112-250.exe
- Size 611KB
- Sample230919-jn857sff21
- SHA256 e75bb7380b7386458dfd803bfeab63228ff0e3d27121db683675458f2affbe10
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.wecaresvc.com
-
Port
587
-
Username
-
Password
u9367gk8qc
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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).
- 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 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipping documents SST2112-250.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents SST2112-250.exe"1⤵
- 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\kODPQLHS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA8F.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Shipping documents SST2112-250.exe"{path}"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 v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpCA8F.tmp
memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-29-0x0000000004C60000-0x0000000004CA0000-memory.dmp
memory/2604-28-0x00000000740D0000-0x00000000747BE000-memory.dmp
memory/2604-26-0x0000000004C60000-0x0000000004CA0000-memory.dmp
memory/2604-24-0x00000000740D0000-0x00000000747BE000-memory.dmp
memory/2604-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2604-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3056-2-0x0000000004290000-0x00000000042D0000-memory.dmp
memory/3056-0-0x0000000000BD0000-0x0000000000C70000-memory.dmp
memory/3056-1-0x00000000740D0000-0x00000000747BE000-memory.dmp
memory/3056-8-0x0000000000B90000-0x0000000000BD2000-memory.dmp
memory/3056-7-0x0000000005260000-0x00000000052D8000-memory.dmp
memory/3056-6-0x0000000000AF0000-0x0000000000B4C000-memory.dmp
memory/3056-25-0x00000000740D0000-0x00000000747BE000-memory.dmp
memory/3056-5-0x0000000004290000-0x00000000042D0000-memory.dmp
memory/3056-4-0x00000000740D0000-0x00000000747BE000-memory.dmp
memory/3056-3-0x0000000000450000-0x000000000045C000-memory.dmp