Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
27/10/2026, 06:38
General
- Target SWIFT_MT103_001_000223346.vbs
- Size 94KB
- Sample261027-hd87saa14x
- SHA256 a1e0dcd3e9e25b1e09853d062bfb4d4d86dcf8bd2508dac7bd72c82b93660a73
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.
- 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\SWIFT_MT103_001_000223346.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 ^%Rundpind^% | !iagttagelsesevne! -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 %Rundpind% "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_zpiuuulh.2oj.ps1
memory/1420-24-0x00000000078F0000-0x000000000790A000-memory.dmp
memory/1420-30-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-7-0x00000000058E0000-0x0000000005F08000-memory.dmp
memory/1420-8-0x00000000056A0000-0x00000000056C2000-memory.dmp
memory/1420-9-0x0000000005740000-0x00000000057A6000-memory.dmp
memory/1420-10-0x0000000005F10000-0x0000000005F76000-memory.dmp
memory/1420-5-0x0000000002D40000-0x0000000002D76000-memory.dmp
memory/1420-18-0x0000000006040000-0x0000000006394000-memory.dmp
memory/1420-19-0x0000000006560000-0x000000000657E000-memory.dmp
memory/1420-20-0x0000000006600000-0x000000000664C000-memory.dmp
memory/1420-21-0x0000000006AD0000-0x0000000006B14000-memory.dmp
memory/1420-22-0x0000000007850000-0x00000000078C6000-memory.dmp
memory/1420-23-0x0000000007F50000-0x00000000085CA000-memory.dmp
memory/1420-4-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-6-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-25-0x0000000007A80000-0x0000000007B16000-memory.dmp
memory/1420-33-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-28-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-29-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1420-31-0x0000000008800000-0x0000000008802000-memory.dmp
memory/1420-26-0x0000000007A20000-0x0000000007A42000-memory.dmp
memory/1420-32-0x0000000009130000-0x000000000E02A000-memory.dmp
memory/1420-27-0x0000000008B80000-0x0000000009124000-memory.dmp
memory/1420-34-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/4588-35-0x0000000000C00000-0x0000000001E54000-memory.dmp
memory/4588-36-0x0000000000C00000-0x0000000000C44000-memory.dmp
memory/4588-37-0x00000000201F0000-0x0000000020282000-memory.dmp
memory/4588-38-0x0000000020290000-0x00000000202E0000-memory.dmp
memory/4588-39-0x0000000020930000-0x00000000209CC000-memory.dmp
memory/4588-40-0x0000000020C10000-0x0000000020C1A000-memory.dmp