Analysis
- max time kernel
51s - max time network
54s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
14/06/2024, 01:13
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe
Resource
win7-20240611-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe
Resource
win10v2004-20240508-en
11 signatures
150 seconds
General
- Target ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe
- Size 1.1MB
- Sample240614-blh71ayhna
- SHA256 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e
- MD5 4a3a68e2530d8a73e5d2efff1e64a1eb
- SHA1 a06ebc9d75137bf6f2c4cb84083542e6f439a3dd
- SHA512 5abba4aea54e4e6ee076e5149ee8aee9a311c980753fd08028cf7aa58493de481e8d258d73ac0dc38973057e3f50807319efa6e0ff27f18bac130f0581bac624
- SSDEEP 24576:oAHnh+eWsN3skA4RV1Hom2KXMmHashJbyex2CjiTto5:vh+ZkldoPK8Yas37xVGTY
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
s30.securelayernetwork.com
-
Port
587
-
Username
-
Password
%lmb-a,[(1ty
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SzvWIzD = "C:\\Users\\Admin\\AppData\\Roaming\\SzvWIzD\\SzvWIzD.exe" RegSvcs.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.ipify.org 7 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1760 set thread context of 4392 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 84 - Program crash 1 IoCs
pid pid_target Process procid_target 4856 1760 WerFault.exe 81 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4392 RegSvcs.exe 4392 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4392 RegSvcs.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1760 wrote to memory of 4392 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 84 PID 1760 wrote to memory of 4392 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 84 PID 1760 wrote to memory of 4392 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 84 PID 1760 wrote to memory of 4392 1760 ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe"C:\Users\Admin\AppData\Local\Temp\ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ca9b3bcfbb999c3e14c7e4a3db50e8ad92df5414553807b780803ab6af7e311e.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1760 -s 7202⤵
- Program crash
PID:4856
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1760 -ip 17601⤵PID:1944