General
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Target
18112024_1015_18112024_202411_1801_ckc30w030l01_20241118182920618388pdf.zip
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Size
8KB
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Sample
241118-maqcqathmf
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MD5
7413c51502d0f809198ed64591f6fb3c
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SHA1
12175e84f086954563e8f253a50452e222cc4c47
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SHA256
ac3e16f92971e0afe666f6ff5cfb7ae9a931f2056567cf0893e0ed1df1ce43ea
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SHA512
7abfbe715dd4a3f1b13fe79c919a0a44762a3f4f6d32edf4dae04ade813aef2af2728a643a93ea4fa2e317e7823df444b5cb5adf4fa25e6257950c2abd52f0b8
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SSDEEP
192:c1+n70VsT39GX1ymq8qfCtW/gHjret7VKgtT8QCwAuR7:cRsLkX1ymqDVgno7VKq8QCwT7
Static task
static1
Behavioral task
behavioral1
Sample
202411_1801_ckc30w030l01_20241118182920618388·pdf.vbs
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
202411_1801_ckc30w030l01_20241118182920618388·pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
jwdtcx3kfb.duckdns.org:47392
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audio_folder
MicRecords
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audio_path
ApplicationPath
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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
true
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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-JY1QRO
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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
202411_1801_ckc30w030l01_20241118182920618388·pdf.vbs
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Size
16KB
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MD5
e6c723d6a40150466aa011158c68e591
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SHA1
f18348ee740329c6cb706123b34151dde9197b50
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SHA256
969d4f51528c1a62de42fd8dfc0efaf09b1857426add53376a3e2db14456a173
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SHA512
c9c85c17c329267d8dbed3441baa63c85cbd0abbad858dfd86632de8cd97b461d8f36c4b4fbd126712cd2664ba1e6bd2eece30fb090b9ff462ac4c052b204256
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SSDEEP
384:X+7h2tykhjtUXkNaaYtydrEVql1UnqCrP0z9CW6fz83W4u8b:GUtbto31+rOqcnqCrMZuA3nb
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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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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege 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 Authentication Process
1Modify Registry
3