General
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Target
7a845c7bcfd781b09e0da20118f2e396152fc3aae1e77113c8d3adab45077647
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Size
534KB
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Sample
230116-cq5ggafh58
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MD5
2785b4bbb80b75836c685ac8a1a24f27
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SHA1
32dcef1d5f8e45655478c3dd960e6f9422af691c
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SHA256
7a845c7bcfd781b09e0da20118f2e396152fc3aae1e77113c8d3adab45077647
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SHA512
fb7e706bfee26cd2c2036743799d7accd18bd150c1224bee7d42d8d88c196645d39c333e14fb2c00f18ca002c65940dac10072fe242d8d42b4d46a505d63961c
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SSDEEP
6144:s8fGLJngzxsoIasFzFMkbcWV3Nce0/4obc4hpqEpZccKHBIAUYpnxVlGy3V8/GVX:WkxfIayFMPzf/m4hp7ncxKRYpn7Em
Malware Config
Extracted
quasar
2.1.0.0
Office01
172.81.131.113:4782
VNM_MUTEX_OFUOtYdHQP7Y7fAk1P
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encryption_key
xufMEowCMSpdPlEx87tq
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
mvscs
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subdirectory
SubDir
Targets
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Target
7a845c7bcfd781b09e0da20118f2e396152fc3aae1e77113c8d3adab45077647
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Size
534KB
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MD5
2785b4bbb80b75836c685ac8a1a24f27
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SHA1
32dcef1d5f8e45655478c3dd960e6f9422af691c
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SHA256
7a845c7bcfd781b09e0da20118f2e396152fc3aae1e77113c8d3adab45077647
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SHA512
fb7e706bfee26cd2c2036743799d7accd18bd150c1224bee7d42d8d88c196645d39c333e14fb2c00f18ca002c65940dac10072fe242d8d42b4d46a505d63961c
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SSDEEP
6144:s8fGLJngzxsoIasFzFMkbcWV3Nce0/4obc4hpqEpZccKHBIAUYpnxVlGy3V8/GVX:WkxfIayFMPzf/m4hp7ncxKRYpn7Em
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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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Quasar payload
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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