General
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Target
02122024_1030_328835_140264_1pdf.vbs.zip
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Size
19KB
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Sample
241202-mqjj4s1lc1
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MD5
c13ad6e347640472a4bf71654fc717f7
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SHA1
0ca56204cf937f2497d3432aa1ce4789c13bab6b
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SHA256
05f8fb9335954bb1069a2dd6dbbf5ba8c605e3923c3ed0c974f95cd62fd10b67
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SHA512
e70d894982975cf00693de212d690a2c6e72a211e94e1920d89c122ed9d80eb9f0e4c7984ce12a4e185e4135e9c17de68e9f5979277e0843101dc7d0a5692ced
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SSDEEP
384:Vq/ooKCgGYgsroJh3ccjv17QdCf6rcvlwJKjmUhR1rs8ugDZUp5d50nrzBp:oges073cGcCfY+l8Kh/Fs3gS9mnz
Static task
static1
Behavioral task
behavioral1
Sample
328835_140264_1·pdf.vbs
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
328835_140264_1·pdf.vbs
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
RemoteHost
8766e34g8.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-93TSMD
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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
328835_140264_1·pdf.vbs
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Size
33KB
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MD5
a9636ba5124550a3c145fef91fa5489d
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SHA1
f3ab90b16fef6a323c1a4eb44aa47acecdac3ca6
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SHA256
146882bf4a0d47c6db66dacbc5e283a85097a8320cf653641d380ebeab6c4c10
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SHA512
9b004cbdd4d35d7dd7038efd8e002b7022e1e6e9c3207535934f362c8e3a45e23ebe87ec1de5f7c37ff8f6afdbe7fc5deb5baa56957ba365abc8dae8a7fce7fa
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SSDEEP
768:+fZasQ6lMFJfJc4PCPPNngWWshZBTYRikWbVVw4OrxBX:eZasOFfXiPeWWs/BYse4OXX
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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