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.
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Executes dropped EXE
-
Accesses Microsoft Outlook profiles
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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