Analysis
- max time kernel
149s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
05/07/2024, 03:43
General
- Target dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe
- Size 1.2MB
- Sample240705-d9wt4ssamm
- SHA256 dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462
Malware Config
Extracted
-
remcos
-
RemoteHost
-
204.10.160.230:7983
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-O7QOC3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe"C:\Users\Admin\AppData\Local\Temp\dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wTEtBSqxFaPmz.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wTEtBSqxFaPmz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEEB5.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe"C:\Users\Admin\AppData\Local\Temp\dacf76612ec19aa3f80f070321abac8830e376981ccd5ec4eebd1ba017c6e462.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_rc1wb3la.4pc.ps1
tmpEEB5.tmp
memory/756-4-0x0000000005930000-0x000000000593A000-memory.dmp
memory/756-10-0x00000000071D0000-0x000000000726C000-memory.dmp
memory/756-5-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/756-6-0x0000000005BB0000-0x0000000005BCA000-memory.dmp
memory/756-7-0x0000000005C30000-0x0000000005C38000-memory.dmp
memory/756-8-0x0000000003140000-0x000000000314C000-memory.dmp
memory/756-9-0x00000000070D0000-0x00000000071CE000-memory.dmp
memory/756-3-0x00000000057A0000-0x0000000005832000-memory.dmp
memory/756-11-0x000000007510E000-0x000000007510F000-memory.dmp
memory/756-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/756-17-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/756-44-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/756-0-0x000000007510E000-0x000000007510F000-memory.dmp
memory/756-1-0x0000000000C70000-0x0000000000DA0000-memory.dmp
memory/2708-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-34-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-60-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-105-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-59-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-58-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-107-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2708-106-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4644-99-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4644-45-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4644-22-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4644-83-0x0000000075990000-0x00000000759DC000-memory.dmp
memory/4644-23-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4880-18-0x0000000004FF0000-0x0000000005618000-memory.dmp
memory/4880-75-0x0000000006F50000-0x0000000006FF3000-memory.dmp
memory/4880-64-0x0000000075990000-0x00000000759DC000-memory.dmp
memory/4880-63-0x0000000006D10000-0x0000000006D42000-memory.dmp
memory/4880-77-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/4880-76-0x00000000076D0000-0x0000000007D4A000-memory.dmp
memory/4880-78-0x0000000007100000-0x000000000710A000-memory.dmp
memory/4880-79-0x0000000007310000-0x00000000073A6000-memory.dmp
memory/4880-80-0x0000000007290000-0x00000000072A1000-memory.dmp
memory/4880-81-0x00000000072C0000-0x00000000072CE000-memory.dmp
memory/4880-82-0x00000000072D0000-0x00000000072E4000-memory.dmp
memory/4880-74-0x0000000006320000-0x000000000633E000-memory.dmp
memory/4880-93-0x00000000073D0000-0x00000000073EA000-memory.dmp
memory/4880-94-0x00000000073B0000-0x00000000073B8000-memory.dmp
memory/4880-96-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4880-57-0x00000000060D0000-0x000000000611C000-memory.dmp
memory/4880-56-0x0000000005D70000-0x0000000005D8E000-memory.dmp
memory/4880-39-0x0000000005760000-0x0000000005AB4000-memory.dmp
memory/4880-37-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4880-27-0x0000000004ED0000-0x0000000004F36000-memory.dmp
memory/4880-25-0x0000000004E60000-0x0000000004EC6000-memory.dmp
memory/4880-24-0x0000000004DC0000-0x0000000004DE2000-memory.dmp
memory/4880-20-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4880-19-0x0000000075100000-0x00000000758B0000-memory.dmp
memory/4880-16-0x0000000002470000-0x00000000024A6000-memory.dmp