General
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Target
747031500_D747031500_A.js
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Size
1003KB
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Sample
250214-klgtlszkgz
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MD5
e3765da77fefd90e2a7e1fe50029a1d8
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SHA1
b0aec621810789c80ddeb96d746cc88ee6b0db50
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SHA256
8a95a509c657f55f3037336ba69c03f687b6818fdff078aaaba41ee359154eac
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SHA512
47c7a5f988e5051aca274b2dfa585348f814fd4105d93b6b6e81dc54044eaab767319ca0e1f62cf160aa1571850e089cb90c94120889cda2b3d47cf7c7d7ef0a
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SSDEEP
24576:kYnZJg8/S5NnzlKWrhjxQfB/nQ0xc/qqXsE8zl:dg8/S5NnzlKWrhjxQfB/nQ0xc/PO
Static task
static1
Behavioral task
behavioral1
Sample
747031500_D747031500_A.js
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
747031500_D747031500_A.js
Resource
win10v2004-20250211-en
Malware Config
Extracted
remcos
Host 2025
favor-grace-fax.home-webserver.de:5930
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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
true
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install_flag
false
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keylog_crypt
true
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keylog_file
iuioh.dat
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keylog_flag
false
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keylog_folder
iuyt6yu
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mouse_option
false
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mutex
iuytroiuy77im-KQ32FT
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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
- startup_value
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take_screenshot_option
false
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take_screenshot_time
5
Targets
-
-
Target
747031500_D747031500_A.js
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Size
1003KB
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MD5
e3765da77fefd90e2a7e1fe50029a1d8
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SHA1
b0aec621810789c80ddeb96d746cc88ee6b0db50
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SHA256
8a95a509c657f55f3037336ba69c03f687b6818fdff078aaaba41ee359154eac
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SHA512
47c7a5f988e5051aca274b2dfa585348f814fd4105d93b6b6e81dc54044eaab767319ca0e1f62cf160aa1571850e089cb90c94120889cda2b3d47cf7c7d7ef0a
-
SSDEEP
24576:kYnZJg8/S5NnzlKWrhjxQfB/nQ0xc/qqXsE8zl:dg8/S5NnzlKWrhjxQfB/nQ0xc/PO
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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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Downloads MZ/PE file
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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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Executes dropped EXE
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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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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
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1