General
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Target
ef4af5ea8b80cf002900bab6dc1dd4b4.bin
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Size
1.3MB
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Sample
240729-ekaq1swglg
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MD5
26a00ce0857de66f2f7c7b299df2f286
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SHA1
79367e322b72aeb6efc7c12bfc4a06ddb14313e7
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SHA256
8995cdd6929b7eb2d9bafbdb19dfaa3bf8be35ba87131e3e5709e740adcbd1c2
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SHA512
a99a94d34f7831045f9eb161dfddb64fe4d84952f21b5c675a11b38a8dec0efa15e5a8bdb513c5609347f5065fc5378d4f1a09f34540639ecb762f12f96bfc6f
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SSDEEP
24576:zw2PQlwa4fLGOB1SPiLqqM4c6E0cpzaBU1KkMzdcDuOhfBIB6MEv0jv9GJf/IOwe:sW07EFBYKLqGc30coa1KT/yeOsjv9EDP
Static task
static1
Behavioral task
behavioral1
Sample
Payroll for July.PDF.bat
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Payroll for July.PDF.bat
Resource
win10v2004-20240709-en
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:54888
zuesremmy.duckdns.org:54888
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audio_folder
MicRecords
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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
false
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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-Z19JY9
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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
Payroll for July.PDF.bat
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Size
4.9MB
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MD5
221325197f9623e7be8285e05b28c8db
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SHA1
e96b0bf85a8b3e9544eed7b2db4db08bbaee5707
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SHA256
68711195c07e287987488f7045c7147501ccfbae22318b8460d01a86d2f09599
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SHA512
30b445175c2700065cfecc18d839f4129297435f94649fc5f5fdc489a3151e4544abcf40e2923e2d2002e438f6bf03cdc4cdbd21d44344cc2306c25cc401e98e
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SSDEEP
49152:qILm52gH9tPNjLtDgqYQQLg74MmPp1E1TlUQdbKvqsCOP1Ru4JmB/po9c4:5
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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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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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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Loads dropped DLL
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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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1