Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
24/07/2024, 02:44
Static task
static1
Behavioral task
behavioral1
Sample
af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe
Resource
win10v2004-20240709-en
General
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Target
af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe
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Size
1.4MB
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MD5
962b35661c04b5bff3e3504f9cd646a7
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SHA1
1a1cd695804bd14e8e1ea64a21b2b81fe76baf6c
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SHA256
af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb
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SHA512
a7b7fb2990abc7a73e0f5963c3ce72b1b18a37fb908ec069985bde616e7e8fcd75f288855ae33218e66b1483b7f2596bf4729e3cab9afb478fc37691488964ec
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SSDEEP
24576:dngozf6mbIWaZWazVXOLJPqEXN9/uZteoFjqQOy:dnVD6mkWawkXmPqEXN9mZteuj5/
Malware Config
Extracted
remcos
NewRemoteHost
newnex.3utilities.com:8580
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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-68D53E
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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
Extracted
nanocore
1.2.2.0
newsddawork.3utilities.com:1620
maxlogs.webhop.me:1620
1fa46b72-10f9-4da3-bc15-84dde165706d
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activate_away_mode
true
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backup_connection_host
maxlogs.webhop.me
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-02-17T03:41:10.727034736Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
1620
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default_group
NewBin
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
1fa46b72-10f9-4da3-bc15-84dde165706d
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
newsddawork.3utilities.com
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
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/1780-94-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3792-93-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4416-92-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4416-92-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1780-94-0x0000000000400000-0x0000000000478000-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 3976 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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe -
Executes dropped EXE 2 IoCs
pid Process 3288 a.exe 4876 a.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsvc.exe" a.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a.exe -
Suspicious use of SetThreadContext 5 IoCs
description pid Process procid_target PID 1228 set thread context of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1424 set thread context of 1780 1424 RegSvcs.exe 100 PID 1424 set thread context of 4416 1424 RegSvcs.exe 101 PID 1424 set thread context of 3792 1424 RegSvcs.exe 102 PID 3288 set thread context of 4876 3288 a.exe 109 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DDP Service\ddpsvc.exe a.exe File opened for modification C:\Program Files (x86)\DDP Service\ddpsvc.exe a.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 9 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 RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.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 4012 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 3976 powershell.exe 3976 powershell.exe 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 3976 powershell.exe 3792 RegSvcs.exe 3792 RegSvcs.exe 1780 RegSvcs.exe 1780 RegSvcs.exe 1780 RegSvcs.exe 1780 RegSvcs.exe 3288 a.exe 3288 a.exe 3288 a.exe 4876 a.exe 4876 a.exe 4876 a.exe 4876 a.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4876 a.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1424 RegSvcs.exe 1424 RegSvcs.exe 1424 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe Token: SeDebugPrivilege 3976 powershell.exe Token: SeDebugPrivilege 3792 RegSvcs.exe Token: SeDebugPrivilege 3288 a.exe Token: SeDebugPrivilege 4876 a.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1424 RegSvcs.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 1228 wrote to memory of 3976 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 95 PID 1228 wrote to memory of 3976 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 95 PID 1228 wrote to memory of 3976 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 95 PID 1228 wrote to memory of 4012 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 97 PID 1228 wrote to memory of 4012 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 97 PID 1228 wrote to memory of 4012 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 97 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1228 wrote to memory of 1424 1228 af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe 99 PID 1424 wrote to memory of 1780 1424 RegSvcs.exe 100 PID 1424 wrote to memory of 1780 1424 RegSvcs.exe 100 PID 1424 wrote to memory of 1780 1424 RegSvcs.exe 100 PID 1424 wrote to memory of 1780 1424 RegSvcs.exe 100 PID 1424 wrote to memory of 4416 1424 RegSvcs.exe 101 PID 1424 wrote to memory of 4416 1424 RegSvcs.exe 101 PID 1424 wrote to memory of 4416 1424 RegSvcs.exe 101 PID 1424 wrote to memory of 4416 1424 RegSvcs.exe 101 PID 1424 wrote to memory of 3792 1424 RegSvcs.exe 102 PID 1424 wrote to memory of 3792 1424 RegSvcs.exe 102 PID 1424 wrote to memory of 3792 1424 RegSvcs.exe 102 PID 1424 wrote to memory of 3792 1424 RegSvcs.exe 102 PID 1424 wrote to memory of 3288 1424 RegSvcs.exe 103 PID 1424 wrote to memory of 3288 1424 RegSvcs.exe 103 PID 1424 wrote to memory of 3288 1424 RegSvcs.exe 103 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109 PID 3288 wrote to memory of 4876 3288 a.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe"C:\Users\Admin\AppData\Local\Temp\af0b876a436452a6e998fc622493aaa4553bcc53864d66a6a6d5d476a85902eb.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tPbnVzkURocjXA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tPbnVzkURocjXA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE38.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4012
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\raqcrlqbwfvetu"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1780
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\bcvvsdbuknnjvavfcg"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4416
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe /stext "C:\Users\Admin\AppData\Local\Temp\exaokwmwgvfvgojjtjqpr"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3792
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C:\Users\Admin\AppData\Local\Temp\a.exe"C:\Users\Admin\AppData\Local\Temp\a.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\a.exe"C:\Users\Admin\AppData\Local\Temp\a.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4876
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
144B
MD5909cefff7cf10940b0821dae8344e832
SHA107331043edd66b36264700680230e288648d374c
SHA2563955898ef2e786279b382e9875e4f33be4a73805f41ee55310c8ab816804affb
SHA5126c72d17d515938b30b2439a872096d37235b573fb539c667eb7925825cd00a408f241fd183ade0501481138e788ce5c059f83295383f5c4696667fe68be1418f
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
651KB
MD5e5b8332fb35dc095481560dfbfe5756c
SHA11d90a968af733cd3c2dde3ad45546e32fd6fa37d
SHA2562e468efceab48c6617c4f57411fdc0c7789597f57d11a3b5832f7d4cd8794a1a
SHA51235111a41470fe18cf3d293cc926c623ce7ffa4a81f8ff0ed141d2927b9865024f7c2c9346ba8ca092d777253dcd5c708356daf156cd0c723f7a956b1a28602fe
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Filesize
4KB
MD5982ebb238759653970e22ee9fad24470
SHA115fca6be8cc4a276c9f70a73f28c52c3b0eead15
SHA256c8b9cad5602932ea51b923f39f4b2d9aedf1f4915880d89032ab6636acaf9bea
SHA512c8777edf0dd3e72e0cf3bb89db2bc7856fed0eeca7199806fec341e9168899e3b700c73a6b2e7cb0e8ccc5523116d6ecfde5c9ebcc83288a162dd1b0ea78201b
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Filesize
1KB
MD54e9e26f23c52de113d24ec0d1bdb4fbc
SHA12c7aedb50b683a7c69c69bcd177ef0f8d9b9c1c2
SHA256c735b8dfa7fc4eba0ed495a8378c5be7607948e845fb5fca0927828a0df71e25
SHA512af3ca54eb31db25ea60df86f357db9f17140ed030f4727ffa25ab55c5db195bb1f8b4cd69735dffbe4573569b9303aecb19d2b1142ee4c6ec7a53d5651c54d95