Analysis
- max time kernel
299s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/10/2026, 05:59
Static task
static1
Behavioral task
behavioral1
Sample
COTIZACIÓN #0211839077251025.pdf.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
COTIZACIÓN #0211839077251025.pdf.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
General
- Target COTIZACIÓN #0211839077251025.pdf.exe
- Size 827KB
- Sample261031-gp15wavsdv
- SHA256 80f45e6c96776d9b2e56b6fd78232e5325660a80cdc94232a7d72375df5f9196
- MD5 081759cc67cdac05a0650ebf8da8fe6d
- SHA1 20d9e7b0e328c35f4defffa6d06d1105148b0a2b
- SHA512 9c076ae0b5f1c69ceeb4aa79ce92298a6184bdba38ac09632d682b6790a3980d5606e7645b5f79f49fed693625221d60d6debc465c04421392ef933dca8c869d
- SSDEEP 12288:PQ87RVH/4peLMIYCw4l8w80RpQF0NoDBIHBL3SIGfinVV5W3fRN1upXzqU845K7:lVH/4pa9zyhuNQIHBLI+G3oBqU8d
- TLSH T1A505F1D2F441C0B1D8E9C971682BBDAF0F3A7D376E74505A2644BF8D39BA16A41F2207
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.hermosanairobi.com
-
Port
587
-
Username
-
Password
~ DLJ099+efQ)F78ui890l!~ // ~
-
Email to
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Loads dropped DLL 1 IoCs
pid Process 3280 COTIZACIÓN #0211839077251025.pdf.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 COTIZACIÓN #0211839077251025.pdf.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 1196 COTIZACIÓN #0211839077251025.pdf.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 3280 COTIZACIÓN #0211839077251025.pdf.exe 1196 COTIZACIÓN #0211839077251025.pdf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname COTIZACIÓN #0211839077251025.pdf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain COTIZACIÓN #0211839077251025.pdf.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language COTIZACIÓN #0211839077251025.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language COTIZACIÓN #0211839077251025.pdf.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1196 COTIZACIÓN #0211839077251025.pdf.exe 1196 COTIZACIÓN #0211839077251025.pdf.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 3280 COTIZACIÓN #0211839077251025.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1196 COTIZACIÓN #0211839077251025.pdf.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3280 wrote to memory of 5648 3280 COTIZACIÓN #0211839077251025.pdf.exe 89 PID 3280 wrote to memory of 1196 3280 COTIZACIÓN #0211839077251025.pdf.exe 90 PID 3280 wrote to memory of 1196 3280 COTIZACIÓN #0211839077251025.pdf.exe 90 PID 1196 wrote to memory of 2448 1196 COTIZACIÓN #0211839077251025.pdf.exe 91 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 COTIZACIÓN #0211839077251025.pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"2⤵PID:5648
-
-
C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
PID:1196 -
C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN #0211839077251025.pdf.exe"3⤵PID:2448
-
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsj5914.tmp\System.dll
- Size 12KB
- SHA256 6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
- MD5 8cf2ac271d7679b1d68eefc1ae0c5618
- SHA1 7cc1caaa747ee16dc894a600a4256f64fa65a9b8
- SHA512 ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3
- SSDEEP 192:BenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XB9IwL:B8+Qlt70Fj/lQRY/9VjjlL
- TLSH T121427D1193B089F2F590593805A67F2A6FBEAC6C27E44963CFE345853D702DFA47A243
- MD5 SHA1 SHA512 SSDEEP TLSH