Analysis
- max time kernel
119s - max time network
114s - platform
windows7_x64 - resource
win7-20230703-en - resource tags
- submitted
07/07/2023, 10:23
General
- Target d4ea06a7ded54d4950abd0a2d04487648da3f3fb0df2c1561196b02fbe0936f0.exe
- Size 878KB
- Sample230707-mesnmsgc98
- SHA256 d4ea06a7ded54d4950abd0a2d04487648da3f3fb0df2c1561196b02fbe0936f0
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.methobsindia.com
-
Port
587
-
Username
-
Password
F)HQ jCV0
-
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
- 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4ea06a7ded54d4950abd0a2d04487648da3f3fb0df2c1561196b02fbe0936f0.exe"C:\Users\Admin\AppData\Local\Temp\d4ea06a7ded54d4950abd0a2d04487648da3f3fb0df2c1561196b02fbe0936f0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bwZAwWtJmh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8FD.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\d4ea06a7ded54d4950abd0a2d04487648da3f3fb0df2c1561196b02fbe0936f0.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
tmpA8FD.tmp
memory/1396-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1396-74-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/1396-73-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/1396-72-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1396-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2396-56-0x0000000000A40000-0x0000000000A80000-memory.dmp
memory/2396-54-0x0000000000AC0000-0x0000000000BA2000-memory.dmp
memory/2396-55-0x0000000000A40000-0x0000000000A80000-memory.dmp
memory/2396-59-0x0000000004580000-0x00000000045CC000-memory.dmp
memory/2396-58-0x0000000005910000-0x00000000059AA000-memory.dmp
memory/2396-57-0x00000000003E0000-0x00000000003F4000-memory.dmp