Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
- submitted
06/02/2025, 07:36
General
- Target SIP_20252780935456808324578723572956.exe
- Size 1.0MB
- Sample250206-jfbvqszpar
- SHA256 76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8
Malware Config
Extracted
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remcos
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MONDAY454
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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
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 31 IoCs
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
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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\Local\Temp\SIP_20252780935456808324578723572956.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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
-
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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
-
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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
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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\pktxmpqrudrnvpxgx"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
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
-
-
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
-
-
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
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_up2pyudi.eta.ps1
pktxmpqrudrnvpxgx
tmp2F97.tmp
memory/932-111-0x0000000007900000-0x0000000007908000-memory.dmp
memory/932-35-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/932-121-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/932-110-0x0000000007920000-0x000000000793A000-memory.dmp
memory/932-106-0x0000000007820000-0x0000000007834000-memory.dmp
memory/932-105-0x0000000007810000-0x000000000781E000-memory.dmp
memory/932-80-0x0000000007650000-0x000000000765A000-memory.dmp
memory/932-78-0x0000000007C30000-0x00000000082AA000-memory.dmp
memory/932-82-0x00000000077E0000-0x00000000077F1000-memory.dmp
memory/932-81-0x0000000007860000-0x00000000078F6000-memory.dmp
memory/932-65-0x00000000072B0000-0x00000000072E2000-memory.dmp
memory/932-66-0x0000000075590000-0x00000000755DC000-memory.dmp
memory/932-77-0x00000000072F0000-0x0000000007393000-memory.dmp
memory/932-76-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/932-79-0x00000000075E0000-0x00000000075FA000-memory.dmp
memory/932-34-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/932-31-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1668-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/1668-6-0x0000000005420000-0x000000000543E000-memory.dmp
memory/1668-1-0x0000000000380000-0x0000000000488000-memory.dmp
memory/1668-2-0x0000000005480000-0x0000000005A24000-memory.dmp
memory/1668-33-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1668-3-0x0000000004D80000-0x0000000004E12000-memory.dmp
memory/1668-8-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1668-5-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1668-4-0x00000000028E0000-0x00000000028EA000-memory.dmp
memory/1668-7-0x0000000074D0E000-0x0000000074D0F000-memory.dmp
memory/1668-9-0x00000000061B0000-0x0000000006274000-memory.dmp
memory/1668-10-0x000000000BD60000-0x000000000BDFC000-memory.dmp
memory/1712-116-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1712-20-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-61-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-62-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-64-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-30-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-27-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-23-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-158-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-32-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-157-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-149-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-150-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-108-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-142-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-141-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-134-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-133-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-38-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-128-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-114-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1712-118-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-117-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1712-26-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-59-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-60-0x0000000000400000-0x0000000000480000-memory.dmp
memory/1712-109-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2700-24-0x0000000004F40000-0x0000000004FA6000-memory.dmp
memory/2700-126-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2700-15-0x0000000000A20000-0x0000000000A56000-memory.dmp
memory/2700-22-0x0000000004ED0000-0x0000000004F36000-memory.dmp
memory/2700-16-0x0000000005000000-0x0000000005628000-memory.dmp
memory/2700-19-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2700-57-0x0000000005BF0000-0x0000000005C0E000-memory.dmp
memory/2700-95-0x0000000075590000-0x00000000755DC000-memory.dmp
memory/2700-58-0x0000000006070000-0x00000000060BC000-memory.dmp
memory/2700-36-0x0000000005630000-0x0000000005984000-memory.dmp
memory/2700-37-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/2700-21-0x0000000004D30000-0x0000000004D52000-memory.dmp
memory/2700-17-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/3272-94-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3272-88-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3272-92-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3920-84-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3920-85-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3920-83-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3928-86-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3928-93-0x0000000000400000-0x0000000000462000-memory.dmp
memory/3928-87-0x0000000000400000-0x0000000000462000-memory.dmp