General
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Target
06112024_0158_NTU 報價請求項目 FMD2024UOS·pdf.vbs.zip
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Size
8KB
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Sample
241106-cdvrhasgjg
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MD5
c6f378ee9e02d98b37a3ed5291ed1bee
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SHA1
92dc19f62027daf5acabe5ad938e12e4597b9a0e
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SHA256
fd159a5f1594eb2cf854a2ea8dd03846f73e99bfbf725f44d15659f36c29db51
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SHA512
6e8b6fc10a97f9683600a20c72c686cc749432440f0f76dbd9ea82400ef950e8ac4c484346e71d165af971359f4f3f1c67c86a98737bbd5c7f3dc40f92a77e1d
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SSDEEP
192:60mGDvsh+DlFDwugnXpOiNZOYxn+CHSdm6Bdn+jedD7IPXe09/x9i0Ed:xmfwDTDwppOijOYxnvSdvGKIe2/S
Static task
static1
Behavioral task
behavioral1
Sample
NTU 報價請求項目 FMD2024UOS·pdf.vbs
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
NTU 報價請求項目 FMD2024UOS·pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
a458386d9.duckdns.org:3256
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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-4EN793
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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
NTU 報價請求項目 FMD2024UOS·pdf.vbs
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Size
15KB
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MD5
7a8593917a881f736dae40fd3e739aa9
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SHA1
86f696ac97647bac9ef92b24e0818a97a70aee53
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SHA256
424d1b064b6e0a04e251193013187b35a779473df7411dcc285dc1284cf618d7
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SHA512
66ee428b08ac48a8550eeec67d3f41540dfb792e24408bb84a08888c69468dec834d0cff167cb62790f14277d35d173f239ee59b4af1c4fddd6b29b6169ed132
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SSDEEP
192:qzb9JpgciToUkIWTErzlS8HIYVFlXQNE7VrMPQ2cV3766aT0VA:SbLuXTiTErZSCH3gNEmyPVA
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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