Analysis
-
max time kernel
105s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2025 01:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1320fc98f0119dc14e9d416abed5df0949656d1d11b8d150a47f8f67afb09990.dll
Resource
win7-20241010-en
windows7-x64
10 signatures
150 seconds
General
-
Target
1320fc98f0119dc14e9d416abed5df0949656d1d11b8d150a47f8f67afb09990.dll
-
Size
21.6MB
-
MD5
2bd330c469036d4149c5c078e0c40f24
-
SHA1
7b8156f70617c23b3179df0fb4f6ac702c99fbcc
-
SHA256
1320fc98f0119dc14e9d416abed5df0949656d1d11b8d150a47f8f67afb09990
-
SHA512
d65429544389b16357ef1320bce80b10199419ce84f42afea75dc9fe0e28d16d71a97146ecfe1c86e80eaa74b619fae5be2266f238bcea0d10c1c29ad579d875
-
SSDEEP
393216:88LgJSkQe4F57rnlZQrTnkmOGQ/VErLn:CJSiwnnUrTkmKML
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
graceofgod@amen - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Agenttesla family
-
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 15 api.ipify.org 16 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4648 set thread context of 468 4648 rundll32.exe 83 -
Drops file in Windows directory 64 IoCs
description ioc Process File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\browserexport.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_737.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\DeviceCredentialDeployment.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\AccountsRt.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ApplicationFrameHost.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\CapabilityAccessHandlers.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_20002.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_855.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\d3d11.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\AudioHandlers.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\CallButtons.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\bitsadmin.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ChxHAPDS.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\CIDiag.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\AJRouter.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\authentication.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\agentactivationruntimestarter.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\cic.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_1252.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\d3d10.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\DataUsageHandlers.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\DeviceUxRes.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\choice.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\chxranker.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_21866.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ddputils.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\APHostService.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\CBDHSvc.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\chxinputrouter.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_20871.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\DeliveryOptimizationMIProv.mof rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\AppXDeploymentExtensions.desktop.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\authz.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\asycfilt.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ContactApis.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_20127.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\blbres.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_10002.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\bcryptprimitives.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\BluetoothPairingSystemToastIcon.png rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\cloudAP.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\deskadp.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dhcpcore6.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\asferror.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\atl100.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\blb_ps.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\computelibeventlog.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dciman32.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\@windows-hello-V4.1.gif rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\AppointmentApis.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\datusage.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\DevicePairingExperienceMEM.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ChtCangjieDS.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_500.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\accessibilitycpl.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ApplyTrustOffline.exe rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\authfwcfg.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\csrr.rs rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\bootux.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\clusapi.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\credssp.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\cxcredprov.dll rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_10010.NLS rundll32.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\C_20936.NLS rundll32.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 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 468 AddInProcess32.exe 468 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4648 rundll32.exe Token: SeDebugPrivilege 468 AddInProcess32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 468 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83 PID 4648 wrote to memory of 468 4648 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1320fc98f0119dc14e9d416abed5df0949656d1d11b8d150a47f8f67afb09990.dll,#11⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:468
-