General
- Target RFQ #HU4759GK3891.scr.exe
- Size 698KB
- Sample240825-lbbqaawfpe
- SHA256 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
- MD5 68c491ae5f9ec65b173de12aa68a33e9
- SHA1 8d0fd707e8c0c484c1d75e458204e633088fbbe4
- SHA512 52fb9b8de2823d7efb5aa6b417e808f0403fa7d0193a4ec85daf73edad86e8dab0243e410d2816bae8a39190702f762eb1f7e46d142ca9795e2790cc76745882
- SSDEEP 12288:q42iNvFIsPAA+9dwNbAMcEqgdqVx5G5RjW0lyDIwfY:f1DIKj2O9A5CdM+jW/8w
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
RFQ #HU4759GK3891.scr.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
RFQ #HU4759GK3891.scr.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.merlinmotorworks.com
-
Port
587
-
Username
-
Password
Merlin1080S
-
Email to
Extracted
-
Protocol
smtp
-
Host
mail.merlinmotorworks.com
-
Port
587
-
Username
-
Password
Merlin1080S
Targets
-
- Target RFQ #HU4759GK3891.scr.exe
- Size 698KB
- SHA256 4b24c70ea3b3b855220f38d41b54c8c00a2e1f9c8fdfb3432c6bb9ab30480e64
- MD5 68c491ae5f9ec65b173de12aa68a33e9
- SHA1 8d0fd707e8c0c484c1d75e458204e633088fbbe4
- SHA512 52fb9b8de2823d7efb5aa6b417e808f0403fa7d0193a4ec85daf73edad86e8dab0243e410d2816bae8a39190702f762eb1f7e46d142ca9795e2790cc76745882
- SSDEEP 12288:q42iNvFIsPAA+9dwNbAMcEqgdqVx5G5RjW0lyDIwfY:f1DIKj2O9A5CdM+jW/8w
- MD5 SHA1 SHA512 SSDEEP
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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 SetThreadContext
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2