Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
17-02-2025 05:00
Static task
static1
Behavioral task
behavioral1
Sample
r000_ScannedwithXeroxMultifunctionPrinter.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
r000_ScannedwithXeroxMultifunctionPrinter.exe
Resource
win10v2004-20250211-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250207-en
General
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Target
r000_ScannedwithXeroxMultifunctionPrinter.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 family
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Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/3900-53-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4932-52-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4932-57-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3900-56-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3104-64-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3104-67-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4932-69-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3900-53-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3900-56-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4932-52-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4932-57-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4932-69-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Downloads MZ/PE file 1 IoCs
flow pid Process 59 2776 Process not Found -
Loads dropped DLL 1 IoCs
pid Process 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1318997816-2171176372-1451785247-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts r000_ScannedwithXeroxMultifunctionPrinter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1318997816-2171176372-1451785247-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Bremsebakke92 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Acronomy\\Asymmetron.exe" r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 116 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 116 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 116 set thread context of 4932 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 100 PID 116 set thread context of 3900 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 101 PID 116 set thread context of 3104 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 102 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Redwing.ini r000_ScannedwithXeroxMultifunctionPrinter.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\unstates.Kap233 r000_ScannedwithXeroxMultifunctionPrinter.exe -
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 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r000_ScannedwithXeroxMultifunctionPrinter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r000_ScannedwithXeroxMultifunctionPrinter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r000_ScannedwithXeroxMultifunctionPrinter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r000_ScannedwithXeroxMultifunctionPrinter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r000_ScannedwithXeroxMultifunctionPrinter.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1708 MicrosoftEdgeUpdate.exe -
NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x0008000000023dbd-24.dat nsis_installer_1 behavioral2/files/0x0008000000023dbd-24.dat nsis_installer_2 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4932 r000_ScannedwithXeroxMultifunctionPrinter.exe 4932 r000_ScannedwithXeroxMultifunctionPrinter.exe 3104 r000_ScannedwithXeroxMultifunctionPrinter.exe 3104 r000_ScannedwithXeroxMultifunctionPrinter.exe 4932 r000_ScannedwithXeroxMultifunctionPrinter.exe 4932 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
pid Process 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 116 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3104 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 116 r000_ScannedwithXeroxMultifunctionPrinter.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2264 wrote to memory of 116 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 89 PID 2264 wrote to memory of 116 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 89 PID 2264 wrote to memory of 116 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 89 PID 2264 wrote to memory of 116 2264 r000_ScannedwithXeroxMultifunctionPrinter.exe 89 PID 116 wrote to memory of 4932 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 100 PID 116 wrote to memory of 4932 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 100 PID 116 wrote to memory of 4932 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 100 PID 116 wrote to memory of 3900 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 101 PID 116 wrote to memory of 3900 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 101 PID 116 wrote to memory of 3900 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 101 PID 116 wrote to memory of 3104 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 102 PID 116 wrote to memory of 3104 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 102 PID 116 wrote to memory of 3104 116 r000_ScannedwithXeroxMultifunctionPrinter.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exe"C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.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
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exe"C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.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
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exeC:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exe /stext "C:\Users\Admin\AppData\Local\Temp\ghmakflnrxpnkurj"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4932
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C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exeC:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exe /stext "C:\Users\Admin\AppData\Local\Temp\ibskdywpffhzmafnrdu"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3900
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C:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exeC:\Users\Admin\AppData\Local\Temp\r000_ScannedwithXeroxMultifunctionPrinter.exe /stext "C:\Users\Admin\AppData\Local\Temp\twxdeqoitnzexgbraggnss"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMzNzEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDE5Mjc1MzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzY2OTAwODA5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1708
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
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
MD5ccd148c7abd3cb332d008f4b04d3a95d
SHA16bfc113c8c7f3167224958d05c472815e6a3010b
SHA256e25c902f064215f8702a1b5d3658decd0780fa65c1ca521c31252f429ea7cea5
SHA5125b4ffce742f97e084dcf45ec215dd390e3701b52e139320891edf952d8737dcc3a087ac676193146a0e35b8d68ac893665e78bef6925be89a0b34278d1b438b0
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Filesize
732KB
MD5003a9a042df090f1501ac0c0c4fc0285
SHA10209a7f124455a7d5ea4c128b774a3fc3212917d
SHA256a39ac5a508c71f482ed03ccaaf8bb799f73672fa49895f940f45051d3f5b838d
SHA512ba9a498692712ff48299da767aea61611bb72cddc372e35cbc309b9b7ffc0a5ce9eb451058c2a9ab610c5d2b74f879c025807734e2a873959212329dfa5fa4af
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Filesize
4KB
MD5c7fcb663e76d11b7fd82fe05a8f7aa60
SHA1ac3757be6f23fc129d788af63b313aba3ae6191b
SHA256a09e1825e42c3ff69c2296c14329bb872f82d95387acba48521c74a13728fda2
SHA512b457ee6989babd0ca98a7a0907367f9cd0bdcaaee0a222ff55f017ac2c44b51b5ab58eb913c27771f90691f4c0c8bb6649d32703ecfc2acc37e14676a194f460
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d