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General
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Target
https://rbxidle.com/rbxidle-installer.exe?__cf_chl_tk=OCpUeNSmM5k1DefE0VxdjEPBW5IDlh3W.Cg9HDKuXVg-1708634756-0.0-4221
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Sample
240222-zkeeesfa41
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://rbxidle.com/rbxidle-installer.exe?__cf_chl_tk=OCpUeNSmM5k1DefE0VxdjEPBW5IDlh3W.Cg9HDKuXVg-1708634756-0.0-4221
Resource
win10v2004-20240221-en
Malware Config
Targets
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Target
https://rbxidle.com/rbxidle-installer.exe?__cf_chl_tk=OCpUeNSmM5k1DefE0VxdjEPBW5IDlh3W.Cg9HDKuXVg-1708634756-0.0-4221
Score10/10-
XMRig Miner payload
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Downloads MZ/PE file
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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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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1