General
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Target
a6a0219b8024a45895471d2373df0705
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Size
100KB
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Sample
240413-fbwskabf34
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MD5
a6a0219b8024a45895471d2373df0705
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SHA1
e59e9f9290097c827263db55b8896c0401234d1f
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SHA256
8bebd7cc515650c4af50bf56987bbc5959b742647333be47b810f2c7442eac71
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SHA512
c1bd154651600eec5b9bb4bdd70b99fa3a6850139d7581ece14998b3a4c2228f8c20db294d2d2366fc18935ae2cf8adbcb561f4f280cf4d841cbd30b5c0b894c
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SSDEEP
3072:vhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P67ro:vhzOv2fM13jsIFSHNT7P/P63o
Behavioral task
behavioral1
Sample
a6a0219b8024a45895471d2373df0705.exe
Resource
win7-20240221-en
Malware Config
Extracted
remcos
1.7 Pro
Host
185.241.208.113:2404
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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copy_file
JavaUpdate.exe
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copy_folder
JavaUpdater
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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
%AppData%
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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
Java
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_fcstxhoeka
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
Java Updater
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take_screenshot_option
false
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take_screenshot_time
5
Targets
-
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Target
a6a0219b8024a45895471d2373df0705
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Size
100KB
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MD5
a6a0219b8024a45895471d2373df0705
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SHA1
e59e9f9290097c827263db55b8896c0401234d1f
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SHA256
8bebd7cc515650c4af50bf56987bbc5959b742647333be47b810f2c7442eac71
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SHA512
c1bd154651600eec5b9bb4bdd70b99fa3a6850139d7581ece14998b3a4c2228f8c20db294d2d2366fc18935ae2cf8adbcb561f4f280cf4d841cbd30b5c0b894c
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SSDEEP
3072:vhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P67ro:vhzOv2fM13jsIFSHNT7P/P63o
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Modifies WinLogon for persistence
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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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Modifies WinLogon
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Abuse Elevation Control Mechanism
1Bypass User Account Control
1