Analysis
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max time kernel
150s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
18-02-2025 03:06
General
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Target
000_Scanned with Xerox Multifunction Printer.exe
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Size
732KB
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MD5
003a9a042df090f1501ac0c0c4fc0285
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SHA1
0209a7f124455a7d5ea4c128b774a3fc3212917d
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SHA256
a39ac5a508c71f482ed03ccaaf8bb799f73672fa49895f940f45051d3f5b838d
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SHA512
ba9a498692712ff48299da767aea61611bb72cddc372e35cbc309b9b7ffc0a5ce9eb451058c2a9ab610c5d2b74f879c025807734e2a873959212329dfa5fa4af
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SSDEEP
12288:fJIbMYmuXv4CgC5Lbdje79l3/LBynrcPmMe9mukxD:fJYmuXv4hILZul3/Fkcbe9md
Malware Config
Extracted
remcos
RemoteHost
216.250.252.33:60309
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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-TJ7QLN
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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 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
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NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
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Loads dropped DLL 1 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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Adds Run key to start application 2 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 3 IoCs
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Drops file in Program Files directory 1 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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NSIS installer 2 IoCs
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Modifies system certificate store 2 TTPs 4 IoCs
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Suspicious behavior: EnumeratesProcesses 2 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 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- 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\000_Scanned with Xerox Multifunction Printer.exe"C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fechpabbakweuyfejeaheyyfyaueigi"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe" /stext "C:\Users\Admin\AppData\Local\Temp\ihizismuosojxebqapvjhdtohoefbrzwcw"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe"C:\Users\Admin\AppData\Local\Temp\000_Scanned with Xerox Multifunction Printer.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sbnsjk"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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Network
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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5c00fbae72019938d7ec01aad4ca6c30b
SHA114b2e4e41286668fdf6418fd60b1615a545ab9b9
SHA256481526c76c74803bae417c325a7b1ffb722cfee646357be4358d37ebd33faee0
SHA51243d5bb4fd76d472532a7cb50e70ad41cc72c0f7fe0ab2011801a43062357f9283bb209c3e28c677937ff5fb5368c45a83aa3e1758699393c6eb0321a917aa679
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Filesize
732KB
MD5003a9a042df090f1501ac0c0c4fc0285
SHA10209a7f124455a7d5ea4c128b774a3fc3212917d
SHA256a39ac5a508c71f482ed03ccaaf8bb799f73672fa49895f940f45051d3f5b838d
SHA512ba9a498692712ff48299da767aea61611bb72cddc372e35cbc309b9b7ffc0a5ce9eb451058c2a9ab610c5d2b74f879c025807734e2a873959212329dfa5fa4af
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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Filesize
392KB
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Filesize
392KB
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Filesize
392KB
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Filesize
392KB
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Filesize
392KB
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Filesize
16.4MB
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Filesize
52.3MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
52.3MB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
100KB
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Filesize
100KB
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Filesize
100KB
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Filesize
1.7MB
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Filesize
1.0MB
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Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
144KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
-
Filesize
480KB
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Filesize
1.7MB