Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/06/2026, 20:52
Static task
static1
Behavioral task
behavioral1
Sample
Comprobante de pago.JS.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Comprobante de pago.JS.js
Resource
win11-20260513-en
General
- Target Comprobante de pago.JS.js
- Size 3.4MB
- Sample260615-znpdssfx21
- SHA256 bb5fdae6b68a6a3ab2656726bbdd78ffdad3f8f22755cdcd6e9480e623158420
- MD5 5e5a989bf3018d727601d98fe49d275e
- SHA1 95f280bbd747c0b7153cef6856c6de3c05e3b942
- SHA512 79b134da0d801ada3e7b809e095a45617c6c154fd12a840dbeb48026a23dacf8758781b0e63150ed3db65aefa49ce612b2dfed32d1e808eeecf67f074b9c5243
- SSDEEP 98304:HyRi2d7PNgBDdhy5iSpAW29hPbOO1iPSGFXTRR1LC+ayp+/omZfryfl:AQhy5iSpA39hPiJPSsBu+Vl
- TLSH T1C2F5E7300218DA70E66D5B2DE5697A18054C29CF51B9BF0D3ABE07B05376B3362BE7B1
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.enogcaen-br.com
-
Port
21
-
Username
-
Password
)%8D{RiwKcGI;U$D
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation wscript.exe - Executes dropped EXE 1 IoCs
pid Process 5108 EWSXAIWDFRNNDETB.exe - 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EWSXAIWDFRNNDETB.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 ip-api.com - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 5108 EWSXAIWDFRNNDETB.exe 5108 EWSXAIWDFRNNDETB.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EWSXAIWDFRNNDETB.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5108 EWSXAIWDFRNNDETB.exe 5108 EWSXAIWDFRNNDETB.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5108 EWSXAIWDFRNNDETB.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 964 wrote to memory of 5108 964 wscript.exe 88 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 EWSXAIWDFRNNDETB.exe
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.JS.js"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Users\Public\Libraries\EWSXAIWDFRNNDETB.exe"C:\Users\Public\Libraries\EWSXAIWDFRNNDETB.exe" C:\Users\Public\Libraries\EWSXAIWDFRNNDETB.ttf2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
PID:5108
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Public\Libraries\EWSXAIWDFRNNDETB.exe
- Size 499KB
- SHA256 d447a06cba8d3dbe80e09d73dd64576836b258961ee0d3ba56cf26cea7962b49
- MD5 7675b38aabebc8427171447edd484b5b
- SHA1 145c72f8acdcd366869f955dffd000d3bc146b6e
- SHA512 bc9bddbee59f165742a3203f9e2ba9de409e66de6334cb352cded84cce3e1074dbd0ac17b29e58c8729906848b64d1486fb8c848ca15422127b2baeb4c5e5dbe
- SSDEEP 12288:HW7YOPcqPqvopYJNWGIbK8AJYlqWuSr7B/Uj:HW7RPcqPqvopYJYK8AyldpUj
- TLSH T176B43AC4BACB08F1E2A355B0C49BDB7F96349A050022D5BAFF5CBD59EC33746092725A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\Libraries\EWSXAIWDFRNNDETB.ttf
- Size 497KB
- SHA256 2f9040003af9fb278c5c488b430d7619230df5ed32aa6185a4ab741619baca1e
- MD5 dc5a684b49aab4efbc22e1956565e95e
- SHA1 bb50a697aaede1f24d6dd6b5b520ec0a25e37318
- SHA512 aca1fe24aab2fbfa9375372303449c77dafbdd593c6deebca5415f637e63c5e73868531e7581b1cda50e43c4767fad66d646d7d0d978829d8af47c7967d61253
- SSDEEP 12288:KImbQ9YYQqBZNX3OtG4UrRJeF4hvuZeEw3ZBhp:gIdQqBetG4MR/0YEw3ZBhp
- TLSH T1DFB49E9BB5CA28E846F642F1CC671E8F70F5D4EA074E16474F68C0A567303BC8AE9935
- MD5 SHA1 SHA512 SSDEEP TLSH