General
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Target
v.exe
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Size
844KB
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Sample
250331-p6934szybx
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MD5
7ecfc8cd7455dd9998f7dad88f2a8a9d
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SHA1
1751d9389adb1e7187afa4938a3559e58739dce6
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SHA256
2e67d5e7d96aec62a9dda4c0259167a44908af863c2b3af2a019723205abba9e
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SHA512
cb05e82b17c0f7444d1259b661f0c1e6603d8a959da7475f35078a851d528c630366916c17a37db1a2490af66e5346309177c9e31921d09e7e795492868e678d
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SSDEEP
12288:GaWzgMg7v3qnCiWErQohh0F49CJ8lnybQg9BFg9UmTRHlM:BaHMv6CGrjBnybQg+mmhG
Static task
static1
Behavioral task
behavioral1
Sample
v.exe
Resource
win10ltsc2021-20250314-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Extracted
azorult
http://boglogov.site/index.php
Targets
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Target
v.exe
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Size
844KB
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MD5
7ecfc8cd7455dd9998f7dad88f2a8a9d
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SHA1
1751d9389adb1e7187afa4938a3559e58739dce6
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SHA256
2e67d5e7d96aec62a9dda4c0259167a44908af863c2b3af2a019723205abba9e
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SHA512
cb05e82b17c0f7444d1259b661f0c1e6603d8a959da7475f35078a851d528c630366916c17a37db1a2490af66e5346309177c9e31921d09e7e795492868e678d
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SSDEEP
12288:GaWzgMg7v3qnCiWErQohh0F49CJ8lnybQg9BFg9UmTRHlM:BaHMv6CGrjBnybQg+mmhG
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Azorult family
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Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
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Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Chimera family
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CrimsonRAT main payload
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Crimsonrat family
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Modifies Windows Defender Real-time Protection settings
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Modifies visiblity of hidden/system files in Explorer
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Rms family
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UAC bypass
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Windows security bypass
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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Remote Service Session Hijacking: RDP Hijacking
Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.
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Renames multiple (106) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocks application from running via registry modification
Adds application to list of disallowed applications.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Server Software Component: Terminal Services DLL
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Modifies system executable filetype association
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Modifies WinLogon
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Password Policy Discovery
Attempt to access detailed information about the password policy used within an enterprise network.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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Hide Artifacts: Hidden Users
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Change Default File Association
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Account Manipulation
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
2Change Default File Association
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
4Hidden Files and Directories
3Hidden Users
1Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
9Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3