Analysis
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max time kernel
117s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 18:29
Static task
static1
Behavioral task
behavioral1
Sample
933175fbcc22497d4480e9e7f83024c0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
933175fbcc22497d4480e9e7f83024c0N.exe
Resource
win10v2004-20240802-en
General
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Target
933175fbcc22497d4480e9e7f83024c0N.exe
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Size
1.2MB
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MD5
933175fbcc22497d4480e9e7f83024c0
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SHA1
4dbb3132efb703420efa7836a9dd25cf6c71817e
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SHA256
c66e049eaa0a385ba5caef7368c3a4a3948f5d8aa7834625f2078268e430aba8
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SHA512
db417cf645400dc430047439a79bb53cebbfad1d5eecf370fd378da63dedbd92250a789c1015dac0d7800273796e9891dfde9194b715195b37be3a91e313d101
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SSDEEP
24576:01x4znML6UaPV7LAdK3rWnpgDyt4+3rTdJDrvAoOPUFApaV:0PMnML6vd7LAdK3wgr+ndFrKBM
Malware Config
Extracted
remcos
Aug 13
method8888.ddns.net:6902
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audio_folder
MicRecords
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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-SYI1YB
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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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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/4780-78-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1232-85-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/852-77-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4780-78-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/852-77-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4020 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 933175fbcc22497d4480e9e7f83024c0N.exe -
Reads user/profile data of web browsers 2 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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 933175fbcc22497d4480e9e7f83024c0N.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2436 set thread context of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 3200 set thread context of 852 3200 933175fbcc22497d4480e9e7f83024c0N.exe 100 PID 3200 set thread context of 4780 3200 933175fbcc22497d4480e9e7f83024c0N.exe 102 PID 3200 set thread context of 1232 3200 933175fbcc22497d4480e9e7f83024c0N.exe 104 -
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 7 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 933175fbcc22497d4480e9e7f83024c0N.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 933175fbcc22497d4480e9e7f83024c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 933175fbcc22497d4480e9e7f83024c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 933175fbcc22497d4480e9e7f83024c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 933175fbcc22497d4480e9e7f83024c0N.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 4304 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4020 powershell.exe 4020 powershell.exe 852 933175fbcc22497d4480e9e7f83024c0N.exe 852 933175fbcc22497d4480e9e7f83024c0N.exe 1232 933175fbcc22497d4480e9e7f83024c0N.exe 1232 933175fbcc22497d4480e9e7f83024c0N.exe 852 933175fbcc22497d4480e9e7f83024c0N.exe 852 933175fbcc22497d4480e9e7f83024c0N.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 3200 933175fbcc22497d4480e9e7f83024c0N.exe 3200 933175fbcc22497d4480e9e7f83024c0N.exe 3200 933175fbcc22497d4480e9e7f83024c0N.exe 3200 933175fbcc22497d4480e9e7f83024c0N.exe 3200 933175fbcc22497d4480e9e7f83024c0N.exe 3200 933175fbcc22497d4480e9e7f83024c0N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 1232 933175fbcc22497d4480e9e7f83024c0N.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3200 933175fbcc22497d4480e9e7f83024c0N.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2436 wrote to memory of 4020 2436 933175fbcc22497d4480e9e7f83024c0N.exe 94 PID 2436 wrote to memory of 4020 2436 933175fbcc22497d4480e9e7f83024c0N.exe 94 PID 2436 wrote to memory of 4020 2436 933175fbcc22497d4480e9e7f83024c0N.exe 94 PID 2436 wrote to memory of 4304 2436 933175fbcc22497d4480e9e7f83024c0N.exe 96 PID 2436 wrote to memory of 4304 2436 933175fbcc22497d4480e9e7f83024c0N.exe 96 PID 2436 wrote to memory of 4304 2436 933175fbcc22497d4480e9e7f83024c0N.exe 96 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 2436 wrote to memory of 3200 2436 933175fbcc22497d4480e9e7f83024c0N.exe 98 PID 3200 wrote to memory of 3264 3200 933175fbcc22497d4480e9e7f83024c0N.exe 99 PID 3200 wrote to memory of 3264 3200 933175fbcc22497d4480e9e7f83024c0N.exe 99 PID 3200 wrote to memory of 3264 3200 933175fbcc22497d4480e9e7f83024c0N.exe 99 PID 3200 wrote to memory of 852 3200 933175fbcc22497d4480e9e7f83024c0N.exe 100 PID 3200 wrote to memory of 852 3200 933175fbcc22497d4480e9e7f83024c0N.exe 100 PID 3200 wrote to memory of 852 3200 933175fbcc22497d4480e9e7f83024c0N.exe 100 PID 3200 wrote to memory of 852 3200 933175fbcc22497d4480e9e7f83024c0N.exe 100 PID 3200 wrote to memory of 4972 3200 933175fbcc22497d4480e9e7f83024c0N.exe 101 PID 3200 wrote to memory of 4972 3200 933175fbcc22497d4480e9e7f83024c0N.exe 101 PID 3200 wrote to memory of 4972 3200 933175fbcc22497d4480e9e7f83024c0N.exe 101 PID 3200 wrote to memory of 4780 3200 933175fbcc22497d4480e9e7f83024c0N.exe 102 PID 3200 wrote to memory of 4780 3200 933175fbcc22497d4480e9e7f83024c0N.exe 102 PID 3200 wrote to memory of 4780 3200 933175fbcc22497d4480e9e7f83024c0N.exe 102 PID 3200 wrote to memory of 4780 3200 933175fbcc22497d4480e9e7f83024c0N.exe 102 PID 3200 wrote to memory of 436 3200 933175fbcc22497d4480e9e7f83024c0N.exe 103 PID 3200 wrote to memory of 436 3200 933175fbcc22497d4480e9e7f83024c0N.exe 103 PID 3200 wrote to memory of 436 3200 933175fbcc22497d4480e9e7f83024c0N.exe 103 PID 3200 wrote to memory of 1232 3200 933175fbcc22497d4480e9e7f83024c0N.exe 104 PID 3200 wrote to memory of 1232 3200 933175fbcc22497d4480e9e7f83024c0N.exe 104 PID 3200 wrote to memory of 1232 3200 933175fbcc22497d4480e9e7f83024c0N.exe 104 PID 3200 wrote to memory of 1232 3200 933175fbcc22497d4480e9e7f83024c0N.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe"C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YLLHpOsQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YLLHpOsQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp243C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4304
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe"C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\gjptltcvgwc"3⤵PID:3264
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\gjptltcvgwc"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:852
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\iduemmnxueuesy"3⤵PID:4972
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\iduemmnxueuesy"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4780
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfhxnefrimnqcfwjkf"3⤵PID:436
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C:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exeC:\Users\Admin\AppData\Local\Temp\933175fbcc22497d4480e9e7f83024c0N.exe /stext "C:\Users\Admin\AppData\Local\Temp\sfhxnefrimnqcfwjkf"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1232
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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
MD59dbcf6f7664cbea6114e021e8b9983f5
SHA16fc1eaddf54886bd99f0fd238842c14e946bcdd8
SHA256074d1ba96f0e435587efd9a7f2e6d1afd082483774f7c49e397dbe0ab5901276
SHA512e3eea390e7f94d86ab5f28a1c0bfe8c0b139da0f0b485aaf40c491bd2cea0b19cc9ec5981f01862c44ad975d39b71e8e67332f8a03977982fed3c39af7e95f3f
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
MD58b8277c8f03c24d1f290dbe476e961d2
SHA12e13baf3a4b708277d550dc3dd1e0f99b131f78e
SHA2569af6881f6dbffba028a7a977f4c0a43c764f840332986993ad66de7b816c2f9e
SHA5127367a0236cd0d6cd731caf1ba1f4ea8f851ea1018a9c6b49db6e9d13b2aaba92767774da9169481918e4287021ff5c3a58c3143eaa5e7fe9fa88383208615948
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Filesize
1KB
MD50177e45f374b1b649b18ca83f957f3f4
SHA1842bb4fe503fd0be0f69da41a295a335f52e4604
SHA2562c357a0fffb2f3870cb6398ca0c1bf8d0e0d234756dbc1a94f230c30c8478d68
SHA512a316c2219e5114a86a2b5045677383fdb430821e9a9f9456d411dd26360f848d6a17d0292f018b4462b3f78bd2d98f1192e1b95d52592b3c8363527f0d39900b