Analysis
- max time kernel
142s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/06/2024, 11:43
General
- Target SOA MAY.exe
- Size 749KB
- Sample240612-nvkhmsxbjm
- SHA256 4945386dd90b6b092bd13414fe19d0a296ce17f0822632a6b6567252f692cef5
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.sibasultrasonics.com
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Port
587
-
Username
-
Password
Ken@321$MD
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sibasultrasonics.com
-
Port
587
-
Username
-
Password
Ken@321$MD
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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 14 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"C:\Users\Admin\AppData\Local\Temp\SOA MAY.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\Local\Temp\SOA MAY.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kxyfEt.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxyfEt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵
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
SOA MAY.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_2vp1o3gg.jkm.ps1
tmp3459.tmp
memory/1600-8-0x0000000006D50000-0x0000000006DD4000-memory.dmp
memory/1600-2-0x0000000005610000-0x0000000005BB4000-memory.dmp
memory/1600-6-0x00000000069E0000-0x00000000069FA000-memory.dmp
memory/1600-7-0x0000000006A00000-0x0000000006A10000-memory.dmp
memory/1600-5-0x0000000005210000-0x000000000521A000-memory.dmp
memory/1600-9-0x0000000009410000-0x00000000094AC000-memory.dmp
memory/1600-4-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/1600-1-0x0000000000300000-0x00000000003BC000-memory.dmp
memory/1600-14-0x00000000744EE000-0x00000000744EF000-memory.dmp
memory/1600-0-0x00000000744EE000-0x00000000744EF000-memory.dmp
memory/1600-3-0x0000000005150000-0x00000000051E2000-memory.dmp
memory/1600-19-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/1600-30-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/3640-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3640-80-0x00000000066D0000-0x0000000006720000-memory.dmp
memory/4056-77-0x0000000007E90000-0x000000000850A000-memory.dmp
memory/4056-76-0x0000000007760000-0x0000000007803000-memory.dmp
memory/4056-92-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4056-12-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4056-87-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4056-85-0x0000000007B40000-0x0000000007B5A000-memory.dmp
memory/4056-20-0x00000000055F0000-0x0000000005C18000-memory.dmp
memory/4056-31-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/4056-17-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4056-42-0x0000000005ED0000-0x0000000006224000-memory.dmp
memory/4056-51-0x0000000006250000-0x000000000626E000-memory.dmp
memory/4056-84-0x0000000007A40000-0x0000000007A54000-memory.dmp
memory/4056-83-0x0000000007A30000-0x0000000007A3E000-memory.dmp
memory/4056-13-0x0000000002BC0000-0x0000000002BF6000-memory.dmp
memory/4056-79-0x0000000007870000-0x000000000787A000-memory.dmp
memory/4056-15-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4056-54-0x00000000701E0000-0x000000007022C000-memory.dmp
memory/4204-53-0x00000000073B0000-0x00000000073E2000-memory.dmp
memory/4204-22-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4204-75-0x0000000006990000-0x00000000069AE000-memory.dmp
memory/4204-56-0x00000000701E0000-0x000000007022C000-memory.dmp
memory/4204-81-0x0000000007970000-0x0000000007A06000-memory.dmp
memory/4204-82-0x00000000078F0000-0x0000000007901000-memory.dmp
memory/4204-29-0x0000000005A00000-0x0000000005A66000-memory.dmp
memory/4204-24-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4204-78-0x00000000076F0000-0x000000000770A000-memory.dmp
memory/4204-86-0x0000000007A10000-0x0000000007A18000-memory.dmp
memory/4204-28-0x00000000052C0000-0x00000000052E2000-memory.dmp
memory/4204-21-0x00000000744E0000-0x0000000074C90000-memory.dmp
memory/4204-52-0x0000000006460000-0x00000000064AC000-memory.dmp
memory/4204-93-0x00000000744E0000-0x0000000074C90000-memory.dmp