Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
06-02-2025 07:36
Static task
static1
Behavioral task
behavioral1
Sample
SIP_20252780935456808324578723572956.exe
Resource
win7-20240903-en
General
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Target
SIP_20252780935456808324578723572956.exe
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Size
1.0MB
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MD5
725d50e3d1d33e570efef92c4f72dd1c
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SHA1
059a6d565986ab372f99a7e86ea612aad3c6e190
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SHA256
76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8
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SHA512
1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9
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SSDEEP
24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF
Malware Config
Extracted
remcos
MONDAY454
sungito333.ddns.net:5590
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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-R5Q1RM
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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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Remcos family
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/3272-94-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3928-93-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3920-85-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3928-93-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3920-85-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2700 powershell.exe 932 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation SIP_20252780935456808324578723572956.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-1-5-21-3625106387-4207083342-115176794-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts SIP_20252780935456808324578723572956.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1668 set thread context of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1712 set thread context of 3920 1712 SIP_20252780935456808324578723572956.exe 104 PID 1712 set thread context of 3928 1712 SIP_20252780935456808324578723572956.exe 105 PID 1712 set thread context of 3272 1712 SIP_20252780935456808324578723572956.exe 106 -
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 8 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 SIP_20252780935456808324578723572956.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SIP_20252780935456808324578723572956.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SIP_20252780935456808324578723572956.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SIP_20252780935456808324578723572956.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SIP_20252780935456808324578723572956.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2700 powershell.exe 932 powershell.exe 2700 powershell.exe 932 powershell.exe 3920 SIP_20252780935456808324578723572956.exe 3920 SIP_20252780935456808324578723572956.exe 3272 SIP_20252780935456808324578723572956.exe 3272 SIP_20252780935456808324578723572956.exe 3920 SIP_20252780935456808324578723572956.exe 3920 SIP_20252780935456808324578723572956.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1712 SIP_20252780935456808324578723572956.exe 1712 SIP_20252780935456808324578723572956.exe 1712 SIP_20252780935456808324578723572956.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2700 powershell.exe Token: SeDebugPrivilege 932 powershell.exe Token: SeDebugPrivilege 3272 SIP_20252780935456808324578723572956.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1712 SIP_20252780935456808324578723572956.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 1668 wrote to memory of 2700 1668 SIP_20252780935456808324578723572956.exe 97 PID 1668 wrote to memory of 2700 1668 SIP_20252780935456808324578723572956.exe 97 PID 1668 wrote to memory of 2700 1668 SIP_20252780935456808324578723572956.exe 97 PID 1668 wrote to memory of 932 1668 SIP_20252780935456808324578723572956.exe 99 PID 1668 wrote to memory of 932 1668 SIP_20252780935456808324578723572956.exe 99 PID 1668 wrote to memory of 932 1668 SIP_20252780935456808324578723572956.exe 99 PID 1668 wrote to memory of 1616 1668 SIP_20252780935456808324578723572956.exe 101 PID 1668 wrote to memory of 1616 1668 SIP_20252780935456808324578723572956.exe 101 PID 1668 wrote to memory of 1616 1668 SIP_20252780935456808324578723572956.exe 101 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1668 wrote to memory of 1712 1668 SIP_20252780935456808324578723572956.exe 103 PID 1712 wrote to memory of 3920 1712 SIP_20252780935456808324578723572956.exe 104 PID 1712 wrote to memory of 3920 1712 SIP_20252780935456808324578723572956.exe 104 PID 1712 wrote to memory of 3920 1712 SIP_20252780935456808324578723572956.exe 104 PID 1712 wrote to memory of 3920 1712 SIP_20252780935456808324578723572956.exe 104 PID 1712 wrote to memory of 3928 1712 SIP_20252780935456808324578723572956.exe 105 PID 1712 wrote to memory of 3928 1712 SIP_20252780935456808324578723572956.exe 105 PID 1712 wrote to memory of 3928 1712 SIP_20252780935456808324578723572956.exe 105 PID 1712 wrote to memory of 3928 1712 SIP_20252780935456808324578723572956.exe 105 PID 1712 wrote to memory of 3272 1712 SIP_20252780935456808324578723572956.exe 106 PID 1712 wrote to memory of 3272 1712 SIP_20252780935456808324578723572956.exe 106 PID 1712 wrote to memory of 3272 1712 SIP_20252780935456808324578723572956.exe 106 PID 1712 wrote to memory of 3272 1712 SIP_20252780935456808324578723572956.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cORjjxAPNjnQU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cORjjxAPNjnQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F97.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1616
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C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exeC:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\pktxmpqrudrnvpxgx"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3920
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C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exeC:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\zfyqnhalqljsfvtkolbq"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3928
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C:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exeC:\Users\Admin\AppData\Local\Temp\SIP_20252780935456808324578723572956.exe /stext "C:\Users\Admin\AppData\Local\Temp\khdiozlmetbxhbhoywnrdcw"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3272
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
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
MD5c839b2e4fa5816c2833825d8f14b42e7
SHA1f9ce79e04daae7c9e7b67cda7e7de30fb3a6bb84
SHA256fce32e46eec6a535f40c44f8da2fed3e58a797e3a2e6e9c6aa9ba19e29cdd3ec
SHA512c17106f516f890cf812ae718975212e84a8038709c5410d501211f8e497e7ba95a28986cea2d8a816e025d0120ea2bd6081c5af105e700c1c1063aace8cabcfb
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Filesize
2KB
MD5ba246bd2d86f16b8e701e797989d424b
SHA1048769be2e48bd66ddedbfcf9d40addb6168fc16
SHA25637c38ce312bc65167a7a6208217dedc66559bd6dd149472fd7001a8e9db310ad
SHA512473fedc38e188d36b1f2f3db119a5c6c1e8676a24392a64b60198ab38c6725a909b8564892608760cc2dfc6a1b4f72cf4370740f97dcb0722d3fd4e0faa57bec
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Filesize
528B
MD5ed60023114c34edfc0e4259c48ee3f98
SHA15191a414bbcd480fc0b0032c1a6a47e52c881370
SHA256345c4031418a969189a25c75cab61396eee1d1633c8af7be1faf8698aac1038c
SHA5129481ddfd8930695c0ef64fdccea0a58d3c2d9791c82432623ed88cbe165ff8f69d55ab08b74862cc92df94393d573e97560f112dff90af6fb5fcd361ea73e236
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD537ba1b5afd377764e521857e1af16742
SHA1238b7bac788b9a465ad2812cf49b783b9d169e7b
SHA2561f5eb060861aacb6e13fca827470621fee91267ea2e28a9ceaa17c812b315a6e
SHA5120ec22a52c398746db253b7cc1a80dd886f5da1498917c86a661bd01053b13edff0819a0e4effde8cbd1ed8d477a0baf0bb03f164007a9685d848cb29371d90c1
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Filesize
1KB
MD5e1d281021d5068068f22b068f0b797ef
SHA1fd263c3a8b0af31aa985943cfa6ad20ecd445f9f
SHA2564bcea37942f405ac775080e5fe93c117aee7fc1e640fc0009609dc96043d7bfe
SHA512bcdcda2a9e529f6f2bcaebd4f7298bacd5a27bc08d5719bc517e55c6a9068fdf59671701e86de89c39ee05d826422210a4bf018fa6faee89724b1c24f8cea688