Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
28/05/2024, 17:44
General
- Target skm_sepa_89277.exe
- Size 687KB
- Sample240528-wa6jdadg21
- SHA256 00abf40ad25f2fe3e482e64cf336649cd4e9072092ae2bfad4201637bdf4ba7a
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
smtp.strato.de
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Port
587
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Username
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Password
6M9L22
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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.
- Looks up external IP address via web service 3 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\skm_sepa_89277.exe"C:\Users\Admin\AppData\Local\Temp\skm_sepa_89277.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\skm_sepa_89277.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jgygUKtU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jgygUKtU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AA7.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- 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 --field-trial-handle=3704,i,14221647728265121051,6840906015709541562,262144 --variations-seed-version --mojo-platform-channel-handle=4192 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_wbch5c41.y4q.ps1
tmp8AA7.tmp
memory/1480-92-0x00000000063F0000-0x0000000006440000-memory.dmp
memory/1480-47-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1964-77-0x0000000006FB0000-0x0000000006FCA000-memory.dmp
memory/1964-45-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/1964-55-0x00000000718A0000-0x00000000718EC000-memory.dmp
memory/1964-90-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/1964-46-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/1964-78-0x0000000007020000-0x000000000702A000-memory.dmp
memory/1964-82-0x00000000071F0000-0x0000000007204000-memory.dmp
memory/1964-49-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/1964-76-0x00000000075F0000-0x0000000007C6A000-memory.dmp
memory/2876-19-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/2876-17-0x0000000002B80000-0x0000000002BB6000-memory.dmp
memory/2876-22-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/2876-23-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/2876-81-0x00000000079B0000-0x00000000079BE000-memory.dmp
memory/2876-21-0x0000000005540000-0x00000000055A6000-memory.dmp
memory/2876-33-0x0000000005E00000-0x0000000006154000-memory.dmp
memory/2876-34-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/2876-80-0x0000000007980000-0x0000000007991000-memory.dmp
memory/2876-18-0x0000000005660000-0x0000000005C88000-memory.dmp
memory/2876-79-0x0000000007A00000-0x0000000007A96000-memory.dmp
memory/2876-20-0x00000000054A0000-0x00000000054C2000-memory.dmp
memory/2876-83-0x0000000007AC0000-0x0000000007ADA000-memory.dmp
memory/2876-84-0x0000000007AA0000-0x0000000007AA8000-memory.dmp
memory/2876-51-0x0000000006450000-0x000000000646E000-memory.dmp
memory/2876-52-0x0000000006490000-0x00000000064DC000-memory.dmp
memory/2876-91-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/2876-54-0x00000000718A0000-0x00000000718EC000-memory.dmp
memory/2876-53-0x0000000007410000-0x0000000007442000-memory.dmp
memory/2876-68-0x00000000073F0000-0x000000000740E000-memory.dmp
memory/2876-75-0x0000000007650000-0x00000000076F3000-memory.dmp
memory/4400-50-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/4400-0-0x00000000751DE000-0x00000000751DF000-memory.dmp
memory/4400-7-0x00000000067A0000-0x00000000067AC000-memory.dmp
memory/4400-4-0x0000000005530000-0x000000000553A000-memory.dmp
memory/4400-5-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/4400-6-0x0000000005760000-0x0000000005776000-memory.dmp
memory/4400-12-0x00000000751D0000-0x0000000075980000-memory.dmp
memory/4400-11-0x00000000751DE000-0x00000000751DF000-memory.dmp
memory/4400-10-0x0000000008F40000-0x0000000008FDC000-memory.dmp
memory/4400-3-0x0000000005540000-0x00000000055D2000-memory.dmp
memory/4400-2-0x0000000005BE0000-0x0000000006184000-memory.dmp
memory/4400-9-0x0000000006810000-0x0000000006894000-memory.dmp
memory/4400-8-0x00000000067B0000-0x00000000067C0000-memory.dmp
memory/4400-1-0x0000000000A90000-0x0000000000B3E000-memory.dmp