General
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Target
MasonClient.exe
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Size
43KB
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Sample
241229-2c66ksyngj
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MD5
057f6e706df8a5c267fd6695ab1502f2
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SHA1
8ff73f496305d8c9d20c59a6de47df3b6934eb6f
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SHA256
aa8b18a4f3db53e54589e2ada92a147219ed8a8a2cf92ebc50f8a670eed226ef
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SHA512
f8124aa2784184bae9e49116f4f9c11922ae75e04f53a4ea2db38664d0b316052977e39ebfc473ce1649feada201e415b707aa1e9f7dbbff2d233669a7bb63be
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SSDEEP
768:pRg+rDjLP5U1b9foYPRhlzd6aO9Zh5AuffEx:pRvHPUb9wYPlB6aOTPkx
Static task
static1
Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win7-20240903-en
Malware Config
Extracted
njrat
QUJPTEhC
ByABOLHB
abolhb.com:505
66f73d9b4e94d115b763eaa1ada7d1f1
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reg_key
66f73d9b4e94d115b763eaa1ada7d1f1
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splitter
|'|'|
Extracted
xworm
review-monroe.gl.at.ply.gg:46169
lWfA9hbGdE2IDzRq
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Install_directory
%AppData%
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install_file
Mason.exe
Targets
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-
Target
MasonClient.exe
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Size
43KB
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MD5
057f6e706df8a5c267fd6695ab1502f2
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SHA1
8ff73f496305d8c9d20c59a6de47df3b6934eb6f
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SHA256
aa8b18a4f3db53e54589e2ada92a147219ed8a8a2cf92ebc50f8a670eed226ef
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SHA512
f8124aa2784184bae9e49116f4f9c11922ae75e04f53a4ea2db38664d0b316052977e39ebfc473ce1649feada201e415b707aa1e9f7dbbff2d233669a7bb63be
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SSDEEP
768:pRg+rDjLP5U1b9foYPRhlzd6aO9Zh5AuffEx:pRvHPUb9wYPlB6aOTPkx
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Detect Xworm Payload
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Njrat family
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Xworm family
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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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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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Adds Run key to start application
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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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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
1