General
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Target
d182015a22deb2189b6ded9bcbfce3e124cffe283b7710c44c9c4ac307183a14
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Size
8KB
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Sample
241125-dh4ewa1kbl
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MD5
ce64391e35804b8f508b5dfc7851a8b8
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SHA1
cd7e4c87dea93c48d875ecde504bd9e26bda93f3
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SHA256
d182015a22deb2189b6ded9bcbfce3e124cffe283b7710c44c9c4ac307183a14
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SHA512
fa9b5a53de7cf8544adc4d14bf1131ce009f617a9fbbdcf31ba5dbd65a37bf6dfbfcac177ebf3301a24222a95f385ac4850e05896df6d12a9b5b5517bd1ce38c
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SSDEEP
192:tB90IfuNEmEEKOM2jhmc4W6AR+GPb2ZH8o/ZvX2p+z8lDReMgA:tvJWIEXhMAbPaJ8o/0A4l8MgA
Static task
static1
Behavioral task
behavioral1
Sample
202411_257658·pdf.vbs
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
202411_257658·pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
5nd42h78s.duckdns.org:3782
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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-J5NDOL
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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_257658·pdf.vbs
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Size
16KB
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MD5
8fae2dd7ad6f5216e37266fa35a2e6c2
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SHA1
a7fe9d4ee1d837f7092060ba6f17d99747f8a695
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SHA256
8ad7d114db6254a352121ff777a4ddd8da8942d905967271a9dbbc45a027bdcb
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SHA512
a66aeda15f3ffdeb6b5c8550c6ea83478a422377565ee46d61ead44a6b0bcd6fa03e624b39753214baca150e2e0fdb6f44af091b9bbe5a276f76409c3b724981
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SSDEEP
384:HUViroQ8TyG/RgtLF6p3ezAgYJcaIWkPF:CikzgLeezAguca+
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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