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General
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Target
ec236e3bbd25562bf229cd5fabad93716feaf2a151803fd901b2374d6cdcfbae
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Size
617KB
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Sample
240108-blakvsaeh7
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MD5
aa12964f2f028b8b7b993775a0362d56
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SHA1
58887a7a4b76ff5fb4dd3baebb87a66cbdae6e93
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SHA256
ec236e3bbd25562bf229cd5fabad93716feaf2a151803fd901b2374d6cdcfbae
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SHA512
8d6ca9e54eb2bfd6c567d756798df7549de2b3b7c2c42c0f7d58569090e3fc9925af2a6c91621c87b55aba24085c429aff0a63950ec1552e42eeaee66343ec50
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SSDEEP
12288:dzIZ3fY59RGtqgJWwgsTr0FnjmaQA1wnPUMupjQI:dzIpfEU7Gjf2PUn
Static task
static1
Behavioral task
behavioral1
Sample
ec236e3bbd25562bf229cd5fabad93716feaf2a151803fd901b2374d6cdcfbae.exe
Resource
win7-20231129-en
Malware Config
Extracted
orcus
nonamedc.mcv.kr:8080
2d5f462f00ed43cba223b57c0a9d157a
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autostart_method
Registry
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enable_keylogger
true
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install_path
%programfiles%\WSupdate\WSupdate.exe
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reconnect_delay
10000
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registry_keyname
WSupdate
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taskscheduler_taskname
WSupdates
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watchdog_path
Temp\WSupdate.exe
Targets
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Target
ec236e3bbd25562bf229cd5fabad93716feaf2a151803fd901b2374d6cdcfbae
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Size
617KB
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MD5
aa12964f2f028b8b7b993775a0362d56
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SHA1
58887a7a4b76ff5fb4dd3baebb87a66cbdae6e93
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SHA256
ec236e3bbd25562bf229cd5fabad93716feaf2a151803fd901b2374d6cdcfbae
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SHA512
8d6ca9e54eb2bfd6c567d756798df7549de2b3b7c2c42c0f7d58569090e3fc9925af2a6c91621c87b55aba24085c429aff0a63950ec1552e42eeaee66343ec50
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SSDEEP
12288:dzIZ3fY59RGtqgJWwgsTr0FnjmaQA1wnPUMupjQI:dzIpfEU7Gjf2PUn
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Orcus main payload
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Orcurs Rat Executable
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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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Adds Run key to start application
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Drops file in System32 directory
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