General
- Target MR-2026-135.MSI.msi
- Size 564KB
- Sample260929-rn3x7asapb
- SHA256 c571da34ec2edce2816ff4092ab21abc6250a6c410ee1f54586f2170a2d5010f
- MD5 1e92dfdabae073364ad634f7b5f3d365
- SHA1 96b89670e9ed749327fb4b3ff114d320ec86180b
- SHA512 ccbade66dd2d241613c3bac9f264fe660b9536adb5e86863f407353aab175f5245d223dc2fd9424c728bc9b65919bdd52709b791da18154faf387c13ce82a845
- SSDEEP 6144:mFG6Ug4yDf0/Bu08rKS932ZH1olrr0D+0xKZdQkOgwPTXy95GqJGwebcANDVtdnS:mQUHf+DmpodUwPTXs5GlL6VUTxjWD7
- TLSH T138C42313B3629827D8534736CF9F4AF80E37AC660757DA161A05BB9C7EB315103268F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
MR-2026-135.MSI.msi
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
MR-2026-135.MSI.msi
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.trimnt.com
-
Port
587
-
Username
-
Password
s4=O8tsknbClU8b_
-
Email to
Targets
-
- Target MR-2026-135.MSI.msi
- Size 564KB
- SHA256 c571da34ec2edce2816ff4092ab21abc6250a6c410ee1f54586f2170a2d5010f
- MD5 1e92dfdabae073364ad634f7b5f3d365
- SHA1 96b89670e9ed749327fb4b3ff114d320ec86180b
- SHA512 ccbade66dd2d241613c3bac9f264fe660b9536adb5e86863f407353aab175f5245d223dc2fd9424c728bc9b65919bdd52709b791da18154faf387c13ce82a845
- SSDEEP 6144:mFG6Ug4yDf0/Bu08rKS932ZH1olrr0D+0xKZdQkOgwPTXy95GqJGwebcANDVtdnS:mQUHf+DmpodUwPTXs5GlL6VUTxjWD7
- TLSH T138C42313B3629827D8534736CF9F4AF80E37AC660757DA161A05BB9C7EB315103268F9
- MD5 SHA1 SHA512 SSDEEP TLSH
Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
Executes dropped EXE
Accesses Microsoft Outlook profiles
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1