Analysis
- max time kernel
298s - max time network
236s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/08/2026, 00:22
Static task
static1
Behavioral task
behavioral1
Sample
25082026_0022_24082026_powershell_crypted.ps1
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
25082026_0022_24082026_powershell_crypted.ps1
Resource
win11ltsc2024-20260709-en
General
- Target 25082026_0022_24082026_powershell_crypted.ps1
- Size 1.5MB
- Sample260825-apbrnavgrb
- SHA256 42bdd5ec638ca08d0036dc0e797bc4607cc549c8817b30f4f9cd86a9e6e002cb
- MD5 26a62b0676c71acf21817641213fbf41
- SHA1 5828c4aa72951cc7b5fa4a67e01283ab12779d43
- SHA512 c108a9e42fb0f9097d3d676d1f11c228f997514254cc61ad87fbd31808f1c2f76d3e74522810029f2402975ef604788b9ea99f86caada261136ba649244a0627
- SSDEEP 6144:HBSKAEGWb+Ax2p91fCJQbwhC99LL+jDtfZGEIpXQG2wOSPFPoIGhhIA1t8vHBpHb:HB7AnWy82xziMfd
- TLSH T12D7573BB6AC0D9F894EAAF4E54B0A95C57F35A0B615F39CC45E14CCB4BABB30E01C584
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.duct-master.com
-
Port
21
-
Username
-
Password
7hizJFB#U]xj!aZk
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe - 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.
flow ioc 5 ip-api.com - ConfuserEx .NET packer 3 IoCs
Detects ConfuserEx .NET packer.
resource yara_rule behavioral1/memory/4828-11-0x000001757DEE0000-0x000001757DEF4000-memory.dmp ConfuserEx behavioral1/memory/4828-14-0x000001757DF40000-0x000001757DF54000-memory.dmp ConfuserEx behavioral1/memory/4828-24-0x0000017564D00000-0x0000017564D10000-memory.dmp ConfuserEx - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4828 set thread context of 1616 4828 powershell.exe 92 -
pid Process 4828 powershell.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 1616 aspnet_compiler.exe 1616 aspnet_compiler.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe 4828 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4828 powershell.exe Token: SeDebugPrivilege 1616 aspnet_compiler.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4828 wrote to memory of 1800 4828 powershell.exe 86 PID 4828 wrote to memory of 4492 4828 powershell.exe 87 PID 4828 wrote to memory of 2408 4828 powershell.exe 88 PID 4828 wrote to memory of 2960 4828 powershell.exe 89 PID 4828 wrote to memory of 1612 4828 powershell.exe 90 PID 4828 wrote to memory of 1616 4828 powershell.exe 92 PID 4828 wrote to memory of 1616 4828 powershell.exe 92 PID 4828 wrote to memory of 1616 4828 powershell.exe 92 PID 4828 wrote to memory of 1616 4828 powershell.exe 92 PID 4828 wrote to memory of 1616 4828 powershell.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\25082026_0022_24082026_powershell_crypted.ps11⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:1800
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:4492
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:2408
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:2960
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵PID:1612
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
PID:1616
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oy4gdiav.bp1.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH