Analysis
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max time kernel
149s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-11-2024 02:11
Static task
static1
Behavioral task
behavioral1
Sample
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.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 family
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Detected Nirsoft tools 7 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral1/memory/2740-44-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2812-49-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2744-45-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2744-43-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2812-52-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2740-57-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2744-64-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2744-45-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2744-43-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2744-64-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2740-44-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2740-57-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Loads dropped DLL 2 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.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
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of SetThreadContext 4 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription pid process target process PID 2292 set thread context of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 set thread context of 2740 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 set thread context of 2744 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 set thread context of 2812 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Drops file in Windows directory 1 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription ioc process File opened for modification C:\Windows\karga.ini 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2740 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2740 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious behavior: MapViewOfSection 4 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription pid process Token: SeDebugPrivilege 2812 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exepid process 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exedescription pid process target process PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2292 wrote to memory of 2232 2292 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2740 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2740 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2740 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2740 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2744 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2744 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2744 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2744 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2812 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2812 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2812 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe PID 2232 wrote to memory of 2812 2232 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe 1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe"C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.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
PID:2292 -
C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe"C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.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
PID:2232 -
C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exeC:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe /stext "C:\Users\Admin\AppData\Local\Temp\ritmcziewfrycpvmto"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2740
-
-
C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exeC:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe /stext "C:\Users\Admin\AppData\Local\Temp\bkyeustfkojdmdrqcztpr"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2744
-
-
C:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exeC:\Users\Admin\AppData\Local\Temp\1f785691c057f5062ac9d630cf304ad946c825928c87e63172f335e96beddda1.exe /stext "C:\Users\Admin\AppData\Local\Temp\memxvkezywbiojfcmcnquokd"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5b2d2831e505e831b1c16a66f42b7e3a9
SHA1303ff85c1e2fd8bb3449394c28d844fc27bca026
SHA2568b8fc8769dd5c3d1cb52a43cb9d76a57fb538d4de7eec0d0cf9ac20c55f9587b
SHA512f7d5087c66bea895596f2eb6d6645565359afe67e8fee15acf0469fa9bc443ee8c01e89640d476c2f6bfaf3cc691f700e11a09a48ccee18aee932f62aab2c808
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
11KB
MD5fc3772787eb239ef4d0399680dcc4343
SHA1db2fa99ec967178cd8057a14a428a8439a961a73
SHA2569b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed
SHA51279e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89