General
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Target
zyx.exe
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Size
469KB
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Sample
241109-q3vppavkc1
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MD5
cce8602cd68aaf435c7ce42721867662
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SHA1
6adbaa34a641b06b7580191f5dd24c1e82aab6de
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SHA256
6de3b5982be4aa09debda91604b1dbbec315f20acd900a96468653aaeab197a5
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SHA512
ed5357cb5d8c8139b8e918d3b75914b2a8523c09df81d7976df4d4c1a411e16262b509459384bb8ea92b89e5de1d5a655464719800e0da67ff4668005ea063e9
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SSDEEP
12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS8n9:uiLJbpI7I2WhQqZ789
Behavioral task
behavioral1
Sample
zyx.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
zyx.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
camera-ms.gl.at.ply.gg:50534
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
system.exe
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copy_folder
Remcos
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delete_file
true
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hide_file
true
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hide_keylog_file
false
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install_flag
true
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install_path
%WinDir%\System32
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-3KI5BX
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Targets
-
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Target
zyx.exe
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Size
469KB
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MD5
cce8602cd68aaf435c7ce42721867662
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SHA1
6adbaa34a641b06b7580191f5dd24c1e82aab6de
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SHA256
6de3b5982be4aa09debda91604b1dbbec315f20acd900a96468653aaeab197a5
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SHA512
ed5357cb5d8c8139b8e918d3b75914b2a8523c09df81d7976df4d4c1a411e16262b509459384bb8ea92b89e5de1d5a655464719800e0da67ff4668005ea063e9
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SSDEEP
12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS8n9:uiLJbpI7I2WhQqZ789
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Remcos family
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3