General
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Target
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0eN
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Size
2.1MB
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Sample
241031-caynzsxarp
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MD5
a09c63aeaef0ae03625de194dcd24580
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SHA1
eb35af7b226368b5aa94fd0cef7108b4a4f9cf4f
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SHA256
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0e
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SHA512
e9a909fae732e802fd7e1b7f9a3f54ea703234093752ad09cc77368170555807e9fb7da669be8cd8ecc5bb6682053e76e396a4141e6d7b2fddc81334a84fc004
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SSDEEP
24576:hD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j7otSm/EVjlw3v:hp7E+QrFUBgq2pqw3v
Static task
static1
Behavioral task
behavioral1
Sample
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0eN.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
Host
213.183.58.19:4000
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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
remcos.exe
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copy_folder
remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
true
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install_flag
false
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install_path
%AppData%
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keylog_crypt
true
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keylog_file
read.dat
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keylog_flag
false
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keylog_folder
CastC
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keylog_path
%AppData%
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mouse_option
false
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mutex
remcos_sccafsoidz
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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
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0eN
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Size
2.1MB
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MD5
a09c63aeaef0ae03625de194dcd24580
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SHA1
eb35af7b226368b5aa94fd0cef7108b4a4f9cf4f
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SHA256
81f513aa3c6e025bede4da320fd6b62a439b0842f1a3a1d431c5eb8dae6dab0e
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SHA512
e9a909fae732e802fd7e1b7f9a3f54ea703234093752ad09cc77368170555807e9fb7da669be8cd8ecc5bb6682053e76e396a4141e6d7b2fddc81334a84fc004
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SSDEEP
24576:hD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j7otSm/EVjlw3v:hp7E+QrFUBgq2pqw3v
Score10/10-
Remcos family
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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