Analysis
- max time kernel
118s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
22/07/2024, 21:53
General
- Target 166eccb680e3d5821eefe0a9c2906c00N.exe
- Size 933KB
- Sample240722-1r5evszeph
- SHA256 f9b9f127c376914ef6f225cc9b77a1725522a89919c5840fb30a70463d777914
Malware Config
Extracted
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remcos
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RemoteHost
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204.10.160.230:7983
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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
-
mouse_option
false
-
mutex
Rmc-O7QOC3
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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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startup_value
Remcos
-
take_screenshot_option
false
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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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.exe"C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.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\166eccb680e3d5821eefe0a9c2906c00N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\FsWFNERqfeQcw.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FsWFNERqfeQcw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2C5.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.exe"C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.exe"C:\Users\Admin\AppData\Local\Temp\166eccb680e3d5821eefe0a9c2906c00N.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_hqn4t1sk.qsy.ps1
tmpB2C5.tmp
memory/432-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-31-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-105-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-33-0x0000000000400000-0x000000000047F000-memory.dmp
memory/432-34-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1720-54-0x00000000062D0000-0x000000000631C000-memory.dmp
memory/1720-83-0x0000000007C00000-0x000000000827A000-memory.dmp
memory/1720-22-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/1720-97-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/1720-20-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/1720-90-0x0000000007900000-0x000000000791A000-memory.dmp
memory/1720-89-0x0000000007800000-0x0000000007814000-memory.dmp
memory/1720-88-0x00000000077F0000-0x00000000077FE000-memory.dmp
memory/1720-87-0x00000000077C0000-0x00000000077D1000-memory.dmp
memory/1720-86-0x0000000007840000-0x00000000078D6000-memory.dmp
memory/1720-85-0x0000000007630000-0x000000000763A000-memory.dmp
memory/1720-53-0x0000000006290000-0x00000000062AE000-memory.dmp
memory/1720-80-0x0000000006830000-0x000000000684E000-memory.dmp
memory/1720-60-0x0000000007460000-0x0000000007492000-memory.dmp
memory/1720-61-0x0000000075290000-0x00000000752DC000-memory.dmp
memory/3924-18-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/3924-14-0x0000000003030000-0x0000000003066000-memory.dmp
memory/3924-17-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/3924-71-0x0000000075290000-0x00000000752DC000-memory.dmp
memory/3924-51-0x0000000006440000-0x0000000006794000-memory.dmp
memory/3924-82-0x0000000007900000-0x00000000079A3000-memory.dmp
memory/3924-30-0x00000000062D0000-0x0000000006336000-memory.dmp
memory/3924-84-0x0000000007A40000-0x0000000007A5A000-memory.dmp
memory/3924-23-0x00000000061C0000-0x00000000061E2000-memory.dmp
memory/3924-16-0x0000000005A40000-0x0000000006068000-memory.dmp
memory/3924-29-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/3924-91-0x0000000007F70000-0x0000000007F78000-memory.dmp
memory/3924-98-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/4980-4-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/4980-21-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/4980-9-0x00000000055D0000-0x000000000566C000-memory.dmp
memory/4980-8-0x0000000005430000-0x00000000054EE000-memory.dmp
memory/4980-15-0x0000000074A0E000-0x0000000074A0F000-memory.dmp
memory/4980-52-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/4980-7-0x0000000005230000-0x000000000523E000-memory.dmp
memory/4980-6-0x0000000005200000-0x000000000521A000-memory.dmp
memory/4980-5-0x0000000005060000-0x000000000506A000-memory.dmp
memory/4980-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp
memory/4980-3-0x0000000004FB0000-0x0000000005042000-memory.dmp
memory/4980-2-0x00000000056A0000-0x0000000005C44000-memory.dmp
memory/4980-1-0x0000000000620000-0x000000000070C000-memory.dmp