Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06-11-2024 12:37
General
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Target
RFQ 6000208225.exe
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Size
1.3MB
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MD5
3392cd428f177152dcf9ac6256365b1a
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SHA1
3e454db1c2d909510594a48efbe0380c3194aa2f
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SHA256
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1
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SHA512
53265bead60447f7dd26db363dfe3a698d83c51019c4fa1d51907d5166cd53e11dae4da51ee3ebe162f0313ac6b2971a0a3904a4738fde116d835eab4c4d53bb
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SSDEEP
24576:Z6k1f9gIpCzUjadgzQdbzyoxSyz74WCePDMoqno2NND74lams:ZJFmSCzyApoy/p3PDP6Ela3
Malware Config
Extracted
remcos
RemoteHost
212.162.149.220:2404
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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
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-2JYO24
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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
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Remcos family
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Detected Nirsoft tools 6 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
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Loads dropped DLL 2 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 4 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious behavior: MapViewOfSection 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe" /stext "C:\Users\Admin\AppData\Local\Temp\jplstvdkndvcjaflgczklhd"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ujyduoodblnhugtppnlmwmxxue"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe"C:\Users\Admin\AppData\Local\Temp\RFQ 6000208225.exe" /stext "C:\Users\Admin\AppData\Local\Temp\wldvughfxtfuwvptgygfzykodsrsib"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD52a90fa08e718cc299198c4b2713eec7f
SHA19aaca117f432881a59aa5672fdb643ff95f27465
SHA256fcf7378a50653ca510828057605b5c01572ccc6a7b7a71beb41c2d372b5c647a
SHA5123868c29def2b1fa5705a7f34a67a5af6e0fb142e61a8593b1958deeddb894b28326049eda17f599e1674774eac181fcd0c587be037196a8ed3bf400eaa2e9174
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Filesize
4KB
MD5ac300aeaf27709e2067788fdd4624843
SHA1e98edd4615d35de96e30f1a0e13c05b42ee7eb7b
SHA256d2637d58bb120dc6fefe2f38d6e0d4b308006b8639106a7f9e915fa80b5cc9d9
SHA51209c46e708f9d253dccd4d943639d9f8126f868ae3dcd951aad12222bb98b5d3814676f878c8391b9bdab5dedcf5b9e9eaeb2ad3ffec57bda875198735586d4df
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Filesize
11KB
MD5fc3772787eb239ef4d0399680dcc4343
SHA1db2fa99ec967178cd8057a14a428a8439a961a73
SHA2569b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed
SHA51279e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89
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Filesize
392KB
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Filesize
392KB
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Filesize
392KB
-
Filesize
392KB
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Filesize
25.2MB
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Filesize
4KB
-
Filesize
1.1MB
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Filesize
25.2MB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
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Filesize
25.2MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
4KB
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Filesize
4KB
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Filesize
100KB
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Filesize
100KB
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Filesize
100KB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
25.2MB
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Filesize
18.3MB
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Filesize
18.3MB
-
Filesize
18.3MB
-
Filesize
18.3MB
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Filesize
18.3MB