General
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Target
BUNKER INVOICE ‘MV.SUN OCEAN.pdf.vbs
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Size
17KB
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Sample
241128-gx6ekavjgl
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MD5
8728fd6ce048778714ac79991e78bbea
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SHA1
2dd28d298edf6af2ca9f1511d92545c5a3f470a3
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SHA256
736b1fd992d69ce4f46a4f4fa5b892e659536c493224b68c022d8fd193c5e88a
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SHA512
9c08b2a198adf14071d86eab3b1c29bec9bbad390952c43f06d1964231df5540fe807ae2d98d7b2198ced3ce9d519352ac4f4b87b25901424794463871fe601a
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SSDEEP
384:UzVKy+Tt5Q4Lemns5EuZdETHH+ouUY+cTVCtRFBBKg:qVx+Tt5UGsLErLuQc+nBJ
Static task
static1
Behavioral task
behavioral1
Sample
BUNKER INVOICE ‘MV.SUN OCEAN.pdf.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BUNKER INVOICE ‘MV.SUN OCEAN.pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
154.216.18.157:2404
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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-N639VY
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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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take_screenshot_option
false
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take_screenshot_time
5
Targets
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Target
BUNKER INVOICE ‘MV.SUN OCEAN.pdf.vbs
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Size
17KB
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MD5
8728fd6ce048778714ac79991e78bbea
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SHA1
2dd28d298edf6af2ca9f1511d92545c5a3f470a3
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SHA256
736b1fd992d69ce4f46a4f4fa5b892e659536c493224b68c022d8fd193c5e88a
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SHA512
9c08b2a198adf14071d86eab3b1c29bec9bbad390952c43f06d1964231df5540fe807ae2d98d7b2198ced3ce9d519352ac4f4b87b25901424794463871fe601a
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SSDEEP
384:UzVKy+Tt5Q4Lemns5EuZdETHH+ouUY+cTVCtRFBBKg:qVx+Tt5UGsLErLuQc+nBJ
Score10/10-
Remcos family
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView
Password recovery tool for various email clients
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Blocklisted process makes network request
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook accounts
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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