General
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Target
WindowsBootManager.exe
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Size
72.1MB
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Sample
240222-xecyasdg9s
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MD5
cf436bf4454ed08cc5de148ed7bc6f16
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SHA1
bb4ed4da6cfcbdeb8540faf0c417997fb5f75948
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SHA256
a0eef52884827e84b0134dca14cabfb613e557f0ad36ad7f1829b1e78167d232
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SHA512
233790c01a3ff24f94d4a60a27a19cdc698a7eb935a4332218f624306c6beb52682273bbe1ea9e0d3b686202a1652f46518311ba7ecc192d6059eaa785c08c32
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SSDEEP
1572864:HejOS3zH2cEUH3UVXAgneMGXXA/T1eBZGURkmiQgMpk:HNcEVVEnHMT1eNrL7pk
Static task
static1
Behavioral task
behavioral1
Sample
WindowsBootManager.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
WindowsBootManager.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
WindowsBootManager.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
WindowsBootManager.exe
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Size
72.1MB
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MD5
cf436bf4454ed08cc5de148ed7bc6f16
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SHA1
bb4ed4da6cfcbdeb8540faf0c417997fb5f75948
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SHA256
a0eef52884827e84b0134dca14cabfb613e557f0ad36ad7f1829b1e78167d232
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SHA512
233790c01a3ff24f94d4a60a27a19cdc698a7eb935a4332218f624306c6beb52682273bbe1ea9e0d3b686202a1652f46518311ba7ecc192d6059eaa785c08c32
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SSDEEP
1572864:HejOS3zH2cEUH3UVXAgneMGXXA/T1eBZGURkmiQgMpk:HNcEVVEnHMT1eNrL7pk
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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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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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Target
WindowsBootManager.exe
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Size
168.6MB
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MD5
fe346097bd22eacee430efc772fa9e56
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SHA1
fcedffd8a4755e0a300f355ea58cff79618317a8
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SHA256
0a99d4c33d0d416cced5b9d0b258e350857f5895a52904e87915c8d1ef9f89a6
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SHA512
16667197c3f8bb788df3e5eeb52da48b9755d42caa398489c91b85069dfffe8d75f8c610c3888a33fc44e1128ae8f75a81fd693659275116ff511a0620b97efd
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SSDEEP
1572864:sXic4qb6IXgDaJfpEQHgelkLK4z34xGWw0TwW1T/qWhehZvmCtS3JPfyzG49FndX:yVKvWZ8tyx4u
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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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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Drops file in System32 directory
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