General
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Target
Bloxstrap 2.5.4.exe
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Size
66KB
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Sample
240623-r2tlnsyblp
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MD5
0680a239ba405c1935c687ebdf6d4540
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SHA1
bf2cc8de357fe1af9888e120e1c139ca2bc77c15
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SHA256
10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d
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SHA512
09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73
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SSDEEP
1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG
Behavioral task
behavioral1
Sample
Bloxstrap 2.5.4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Bloxstrap 2.5.4.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
xworm
medical-m.gl.at.ply.gg:28857
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Install_directory
%ProgramData%
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install_file
Runtime Broker.exe
Targets
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Target
Bloxstrap 2.5.4.exe
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Size
66KB
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MD5
0680a239ba405c1935c687ebdf6d4540
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SHA1
bf2cc8de357fe1af9888e120e1c139ca2bc77c15
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SHA256
10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d
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SHA512
09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73
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SSDEEP
1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables RegEdit via registry modification
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ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Drops desktop.ini file(s)
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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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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
5