General
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Target
679104fb0479ff61c4b5e4b88f77d94b.exe
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Size
6KB
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Sample
230203-fkntbaec9y
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MD5
679104fb0479ff61c4b5e4b88f77d94b
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SHA1
bfbcb5d48fb4ab25d52e4e1bedf37a4e7a4a3cab
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SHA256
4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a
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SHA512
7cb36200865267885939956614a7b8603cd16575a3857e0ecc238ff22d296b29bfb208bb11f61f3856278f6b4585afdb2c8456d2f2630f0fbc33fa298df0253e
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SSDEEP
192:zU3efq7iEM9gdH98dfQbLE5lF22vjWwID:Q3efq7iEM9gdH98dfgLE5lI2vjlI
Behavioral task
behavioral1
Sample
679104fb0479ff61c4b5e4b88f77d94b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
679104fb0479ff61c4b5e4b88f77d94b.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
purecrypter
https://onedrive.live.com/download?cid=A113DD34A0D77810&resid=A113DD34A0D77810%21125&authkey=AIgE8y9D-kUp_qA
Extracted
remcos
RemoteHost
top.thekillforabuse1.xyz:1068
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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
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
false
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install_flag
false
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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-R762FE
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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
679104fb0479ff61c4b5e4b88f77d94b.exe
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Size
6KB
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MD5
679104fb0479ff61c4b5e4b88f77d94b
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SHA1
bfbcb5d48fb4ab25d52e4e1bedf37a4e7a4a3cab
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SHA256
4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a
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SHA512
7cb36200865267885939956614a7b8603cd16575a3857e0ecc238ff22d296b29bfb208bb11f61f3856278f6b4585afdb2c8456d2f2630f0fbc33fa298df0253e
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SSDEEP
192:zU3efq7iEM9gdH98dfQbLE5lF22vjWwID:Q3efq7iEM9gdH98dfgLE5lI2vjlI
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Suspicious use of SetThreadContext
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