General
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Target
ren_installer.exe
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Size
3.1MB
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Sample
230529-lpw85sbe9t
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MD5
10c9f8a8e8c8c9797643d9b1edb01cc1
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SHA1
defcd4e8bba01bb730572dff40fad78e053f337a
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SHA256
0809e0c6095acabdcb816728c39fc818741c3197c4635d7a53a926f2f8df7557
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SHA512
a3c1e18ed24bcc03385a6cb7e50bae9c475c93f0a9af88ac731e9c1923b314ea60e79bd4b9b420b31050ea2d67ac6746cb7d3b2edba7056e91fd665f12311849
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SSDEEP
49152:+vgt62XlaSFNWPjljiFa2RoUYI3vLroGd4THHB72eh2NT:+vM62XlaSFNWPjljiFXRoUYI3vf
Behavioral task
behavioral1
Sample
ren_installer.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ren_installer.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
quasar
1.4.1
ReServices
185.65.134.175:55498
86e242cc-399d-4e30-a743-e89f0418f106
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encryption_key
B451C26057A2AEFC83990793720D2316EA48C49A
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install_name
renservice.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
renservice
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subdirectory
servicerenk
Targets
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Target
ren_installer.exe
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Size
3.1MB
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MD5
10c9f8a8e8c8c9797643d9b1edb01cc1
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SHA1
defcd4e8bba01bb730572dff40fad78e053f337a
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SHA256
0809e0c6095acabdcb816728c39fc818741c3197c4635d7a53a926f2f8df7557
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SHA512
a3c1e18ed24bcc03385a6cb7e50bae9c475c93f0a9af88ac731e9c1923b314ea60e79bd4b9b420b31050ea2d67ac6746cb7d3b2edba7056e91fd665f12311849
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SSDEEP
49152:+vgt62XlaSFNWPjljiFa2RoUYI3vLroGd4THHB72eh2NT:+vM62XlaSFNWPjljiFXRoUYI3vf
Score10/10-
Quasar payload
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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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Drops file in System32 directory
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