General
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Target
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000.msi
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Size
1.7MB
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Sample
241122-dxb9yazkgl
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MD5
7c26877fcd894cc1355f2a31a551243c
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SHA1
80104216da4cd3449eabf0e0de2bb3a5b2de85ca
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SHA256
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000
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SHA512
a57a961a3339b105f9d5653b69269ed7aab952a4e16600426edee80d628a9ac62a13b5ea642ffd9765fdada7b0db5c5a85a21bc88c125be122bf3c4e89d0cfb8
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SSDEEP
49152:BpRhaYJ+2/8yJ5OA4COg9lyp31X01clj+u1GTsF:BpDJ+2pgA4+6p31is+u1G4
Static task
static1
Behavioral task
behavioral1
Sample
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000.msi
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000.msi
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
4.9.4 Pro
zip
rm.anonbaba.net:3393
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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-RNN6CM
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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
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000.msi
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Size
1.7MB
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MD5
7c26877fcd894cc1355f2a31a551243c
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SHA1
80104216da4cd3449eabf0e0de2bb3a5b2de85ca
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SHA256
ff389718792f877fbdabe5cb02a1b3d5de5be988f9b5690250ffdf3409f04000
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SHA512
a57a961a3339b105f9d5653b69269ed7aab952a4e16600426edee80d628a9ac62a13b5ea642ffd9765fdada7b0db5c5a85a21bc88c125be122bf3c4e89d0cfb8
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SSDEEP
49152:BpRhaYJ+2/8yJ5OA4COg9lyp31X01clj+u1GTsF:BpDJ+2pgA4+6p31is+u1G4
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Remcos family
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Modifies file permissions
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Accesses Microsoft Outlook accounts
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Adds Run key to start application
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Blocklisted process makes network request
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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
1Event Triggered Execution
1Installer Packages
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Installer Packages
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
1System Binary Proxy Execution
1Msiexec
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1