Analysis
- max time kernel
63s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system - submitted
26/06/2023, 11:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
EBKG05955223.pdf.exe
Resource
win7-20230621-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
EBKG05955223.pdf.exe
Resource
win10v2004-20230621-en
7 signatures
150 seconds
General
- Target EBKG05955223.pdf.exe
- Size 642KB
- Sample230626-nlkgaahe49
- SHA256 4644d82860cef54c8cd84971e923baa8ddc0347375701c7dbf5a884bb1c5771c
- MD5 7a2e19cad080f0a6bb6daf77b9d268c1
- SHA1 166ec48cbc96c86f6631da9c8e7433f7a9c83a32
- SHA512 f96e0e854a5f603efb0d6a32f412fa2153e5ed7f7faa0c92b7e08869c5ede00c5e7480703372f96c900d5fe3398ac3259d513b0f89f5d7d9e5743156cffa64a1
- SSDEEP 12288:P5dPG2ffl/8eKIcyCnjRFLG2FgnQNKmbAj34mJq6Kg:NfFbKnjXGtQNWt4g
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
JUGCRsm9
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1540 set thread context of 4380 1540 EBKG05955223.pdf.exe 84 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4380 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 PID 1540 wrote to memory of 4380 1540 EBKG05955223.pdf.exe 84 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\EBKG05955223.pdf.exe"C:\Users\Admin\AppData\Local\Temp\EBKG05955223.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4380
-