Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
30/03/2024, 02:03
General
- Target 189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe
- Size 688KB
- Sample240330-cgp1esfd84
- SHA256 189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.superlink.ae
-
Port
587
-
Username
-
Password
Babyko14
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.superlink.ae
-
Port
587
-
Username
-
Password
Babyko14
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xbsuOYEmkiej.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xbsuOYEmkiej" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC719.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"C:\Users\Admin\AppData\Local\Temp\189366b5282eba120afb62f0013934f656d1243240644dc1da02feb64bf47b98.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_gbefn0jg.41z.ps1
tmpC719.tmp
newapp9.exe
memory/1692-71-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1692-70-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/1692-60-0x0000000006EC0000-0x0000000006F10000-memory.dmp
memory/1692-25-0x0000000005830000-0x0000000005896000-memory.dmp
memory/1692-24-0x0000000005650000-0x0000000005660000-memory.dmp
memory/1692-22-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/1692-19-0x0000000000400000-0x0000000000444000-memory.dmp
memory/3616-27-0x0000000005AA0000-0x0000000005B06000-memory.dmp
memory/3616-61-0x0000000007710000-0x00000000077A6000-memory.dmp
memory/3616-14-0x0000000002880000-0x00000000028B6000-memory.dmp
memory/3616-16-0x0000000002860000-0x0000000002870000-memory.dmp
memory/3616-18-0x0000000002860000-0x0000000002870000-memory.dmp
memory/3616-20-0x00000000052A0000-0x00000000058C8000-memory.dmp
memory/3616-69-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/3616-66-0x00000000077B0000-0x00000000077B8000-memory.dmp
memory/3616-65-0x00000000077D0000-0x00000000077EA000-memory.dmp
memory/3616-64-0x00000000076D0000-0x00000000076E4000-memory.dmp
memory/3616-63-0x00000000076C0000-0x00000000076CE000-memory.dmp
memory/3616-26-0x00000000059D0000-0x00000000059F2000-memory.dmp
memory/3616-62-0x0000000007690000-0x00000000076A1000-memory.dmp
memory/3616-15-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/3616-33-0x0000000005B80000-0x0000000005ED4000-memory.dmp
memory/3616-38-0x0000000006190000-0x00000000061AE000-memory.dmp
memory/3616-39-0x0000000006700000-0x000000000674C000-memory.dmp
memory/3616-40-0x0000000002860000-0x0000000002870000-memory.dmp
memory/3616-41-0x000000007F5B0000-0x000000007F5C0000-memory.dmp
memory/3616-42-0x0000000007150000-0x0000000007182000-memory.dmp
memory/3616-43-0x0000000070660000-0x00000000706AC000-memory.dmp
memory/3616-53-0x0000000006750000-0x000000000676E000-memory.dmp
memory/3616-59-0x0000000007500000-0x000000000750A000-memory.dmp
memory/3616-56-0x0000000007190000-0x0000000007233000-memory.dmp
memory/3616-57-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/3616-58-0x0000000007490000-0x00000000074AA000-memory.dmp
memory/4748-4-0x0000000005260000-0x0000000005270000-memory.dmp
memory/4748-3-0x00000000052D0000-0x0000000005362000-memory.dmp
memory/4748-5-0x00000000053A0000-0x00000000053AA000-memory.dmp
memory/4748-1-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/4748-6-0x0000000005930000-0x000000000594A000-memory.dmp
memory/4748-7-0x0000000005960000-0x000000000596C000-memory.dmp
memory/4748-23-0x00000000749E0000-0x0000000075190000-memory.dmp
memory/4748-8-0x0000000006C50000-0x0000000006CD4000-memory.dmp
memory/4748-9-0x0000000007FE0000-0x000000000807C000-memory.dmp
memory/4748-2-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/4748-0-0x0000000000860000-0x000000000090C000-memory.dmp