General
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Target
e654d76dadfd3cefd9052a116afd0e00
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Size
1.1MB
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Sample
221128-3vf8jsgb5x
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MD5
e654d76dadfd3cefd9052a116afd0e00
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SHA1
0774c3f2cdf2ef9760d1cacaeb9464e6f59cf745
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SHA256
ca452d795d8a7055e429e57205ff2b3a2083d28fe97dbb1ba591a3178df3a1a4
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SHA512
5c85e2aea0db6a2fb9e1ad9960f5c42cb7db62d0089c635ae71e1d029dab83b96116770e054e8633ebeb1e0144120f937e4381b1fa1c04fe8a045aff38cfbf47
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SSDEEP
12288:+kN2/snXKG+LtGEUSVH+9drewoSVKxXtP2qdhGAqU1HkYXUHtv7E3vyepAyvuUY0:+kN2/sjDzAPvhuv4Tgqea0nRhO
Behavioral task
behavioral1
Sample
e654d76dadfd3cefd9052a116afd0e00.exe
Resource
win7-20220901-en
Malware Config
Targets
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Target
e654d76dadfd3cefd9052a116afd0e00
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Size
1.1MB
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MD5
e654d76dadfd3cefd9052a116afd0e00
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SHA1
0774c3f2cdf2ef9760d1cacaeb9464e6f59cf745
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SHA256
ca452d795d8a7055e429e57205ff2b3a2083d28fe97dbb1ba591a3178df3a1a4
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SHA512
5c85e2aea0db6a2fb9e1ad9960f5c42cb7db62d0089c635ae71e1d029dab83b96116770e054e8633ebeb1e0144120f937e4381b1fa1c04fe8a045aff38cfbf47
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SSDEEP
12288:+kN2/snXKG+LtGEUSVH+9drewoSVKxXtP2qdhGAqU1HkYXUHtv7E3vyepAyvuUY0:+kN2/sjDzAPvhuv4Tgqea0nRhO
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Chaos Ransomware
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Modifies boot configuration data using bcdedit
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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