Analysis
- max time kernel
298s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
27/10/2026, 15:24
General
- Target PO 10266_28-10-2026.vbs
- Size 91KB
- Sample261027-ss7mlsd13x
- SHA256 fb52611af2b69ec2cdeaf0838d0bf04eb8909de4c7023dbc6453d48f1bc42d8b
Malware Config
Extracted
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Protocol
smtp
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Host
mail.holzbrenzii.com
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Port
587
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Username
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Password
boygirl123456
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.holzbrenzii.com
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Port
587
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Username
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Password
boygirl123456
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Email to
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Badlisted process makes network request 2 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PO 10266_28-10-2026.vbs"1⤵
- Badlisted process makes network request
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Konfessionelle^% | !Blegsellerier! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Konfessionelle% "3⤵
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\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -3⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_01fa2zws.qqt.ps1
memory/2208-44-0x0000000020E20000-0x0000000020E2A000-memory.dmp
memory/2208-42-0x0000000020C70000-0x0000000020D0C000-memory.dmp
memory/2208-41-0x0000000020B80000-0x0000000020BD0000-memory.dmp
memory/2208-40-0x0000000020500000-0x0000000020592000-memory.dmp
memory/2208-39-0x0000000001000000-0x0000000001044000-memory.dmp
memory/2208-38-0x0000000001000000-0x0000000002254000-memory.dmp
memory/3828-26-0x0000000007CD0000-0x0000000007CF2000-memory.dmp
memory/3828-30-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-19-0x0000000006810000-0x000000000682E000-memory.dmp
memory/3828-20-0x00000000068B0000-0x00000000068FC000-memory.dmp
memory/3828-21-0x0000000007930000-0x0000000007974000-memory.dmp
memory/3828-22-0x0000000007B00000-0x0000000007B76000-memory.dmp
memory/3828-23-0x0000000008200000-0x000000000887A000-memory.dmp
memory/3828-24-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/3828-25-0x0000000007D40000-0x0000000007DD6000-memory.dmp
memory/3828-4-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-27-0x0000000008E30000-0x00000000093D4000-memory.dmp
memory/3828-28-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-29-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-18-0x0000000006310000-0x0000000006664000-memory.dmp
memory/3828-32-0x0000000008180000-0x0000000008182000-memory.dmp
memory/3828-31-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-33-0x00000000093E0000-0x000000000C013000-memory.dmp
memory/3828-34-0x00000000093E0000-0x000000000C013000-memory.dmp
memory/3828-35-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-36-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-37-0x00000000093E0000-0x000000000C013000-memory.dmp
memory/3828-10-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/3828-9-0x0000000005A60000-0x0000000005AC6000-memory.dmp
memory/3828-8-0x00000000059C0000-0x00000000059E2000-memory.dmp
memory/3828-7-0x0000000005B00000-0x0000000006128000-memory.dmp
memory/3828-6-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3828-5-0x0000000002F60000-0x0000000002F96000-memory.dmp