Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2024 12:39
Static task
static1
Behavioral task
behavioral1
Sample
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe
Resource
win10v2004-20241007-en
General
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Target
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe
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Size
908KB
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MD5
0a91b0a960e1cb925434f0ded97e30b7
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SHA1
ea0ed432c0cdb5f86cde1b17850a77b68ad71af4
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SHA256
f57e0e55aa4691d0502f6da67d4ecb2823c98bd319c5208ae44a518a0a17392b
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SHA512
37d4fbd29f3a5b274545f4864f9005b814410e35abc94c106e433ecd5c403a230eb2ca38d1d20aaa1f29ad0fbef5997c0c0cae37c2237b165e2eb5778dd2f7e4
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SSDEEP
24576:Mo7x/alQteiW/C+sHTTPrCehcxQv4Zj6CSy:Mc/zhWK+vC4ZIy
Malware Config
Extracted
remcos
RemoteHost
206.189.218.238:4782
206.189.218.238:2286
206.189.218.238:3363
206.189.218.238:3386
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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
true
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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-NJK093
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screenshot_crypt
false
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screenshot_flag
true
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
1
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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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.
Processes:
powershell.exepowershell.exepid process 4724 powershell.exe 1748 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exeremcos.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation remcos.exe Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe -
Executes dropped EXE 2 IoCs
Processes:
remcos.exeremcos.exepid process 656 remcos.exe 2244 remcos.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
remcos.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exeremcos.exedescription pid process target process PID 4996 set thread context of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 656 set thread context of 2244 656 remcos.exe remcos.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 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
powershell.exeschtasks.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exeremcos.exepowershell.exeschtasks.exeremcos.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exedescription ioc process 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 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.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 remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4796 schtasks.exe 3328 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exepowershell.exepid process 4724 powershell.exe 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe 4724 powershell.exe 1748 powershell.exe 1748 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exepowershell.exedescription pid process Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Token: SeDebugPrivilege 1748 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
remcos.exepid process 2244 remcos.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exeQuotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exeremcos.exedescription pid process target process PID 4996 wrote to memory of 4724 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe powershell.exe PID 4996 wrote to memory of 4724 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe powershell.exe PID 4996 wrote to memory of 4724 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe powershell.exe PID 4996 wrote to memory of 4796 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe schtasks.exe PID 4996 wrote to memory of 4796 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe schtasks.exe PID 4996 wrote to memory of 4796 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe schtasks.exe PID 4996 wrote to memory of 4936 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 4936 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 4936 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 4996 wrote to memory of 2228 4996 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe PID 2228 wrote to memory of 656 2228 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe remcos.exe PID 2228 wrote to memory of 656 2228 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe remcos.exe PID 2228 wrote to memory of 656 2228 Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe remcos.exe PID 656 wrote to memory of 1748 656 remcos.exe powershell.exe PID 656 wrote to memory of 1748 656 remcos.exe powershell.exe PID 656 wrote to memory of 1748 656 remcos.exe powershell.exe PID 656 wrote to memory of 3328 656 remcos.exe schtasks.exe PID 656 wrote to memory of 3328 656 remcos.exe schtasks.exe PID 656 wrote to memory of 3328 656 remcos.exe schtasks.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe PID 656 wrote to memory of 2244 656 remcos.exe remcos.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe"C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.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:4996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wGvcmEX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wGvcmEX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp172.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4796
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C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe"C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe"2⤵PID:4936
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C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe"C:\Users\Admin\AppData\Local\Temp\Quotation Ref No. CODE PCBMCPUG02-ORDER 11524-FOUND.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wGvcmEX.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wGvcmEX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9100.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3328
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C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2244
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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
MD5044009d358ae332bea6548f7263e539a
SHA1469f47417a5c9263bdc38d529723aba887fdb71f
SHA256ec6552272a7f3f2b2c34bad8b6e3b7c36ade4990bc1adc5f41611217ab829893
SHA51274a9690c67c51374a503bc6ed3258bbc16ebca3011167ca98f078dc7c2b8f952117a5550b9e6b9034dc8ac8da7f85a3e83d3d3c4e8b2dcc6038441bee64b2f00
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Filesize
908KB
MD50a91b0a960e1cb925434f0ded97e30b7
SHA1ea0ed432c0cdb5f86cde1b17850a77b68ad71af4
SHA256f57e0e55aa4691d0502f6da67d4ecb2823c98bd319c5208ae44a518a0a17392b
SHA51237d4fbd29f3a5b274545f4864f9005b814410e35abc94c106e433ecd5c403a230eb2ca38d1d20aaa1f29ad0fbef5997c0c0cae37c2237b165e2eb5778dd2f7e4
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD51857d7c26c8962f9e78f63e8ed80c753
SHA17c9e0a41c17a3c3770be8446c77ec9ce90da12ff
SHA256d6b2f7e6589460a225131ff95cbeacd318f1d0deed6af96989cfebbb751f7944
SHA51266744292fc1416913d9209e5dfe007d2b15c41e5b74061826e0bfeb635f23465f5d25d9a2e68f8caf410152a3cf5ec60711f383339b28420545282b3e1273014
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b7ac3d8eac1434ac67ec08528d2acfeb
SHA1610cb0330dee84cf9c2377382e97d3304f562e3b
SHA2565f39610953d0ac95d3c4a0e53c5976e04fd27ba4f5dc8ea0192bd5d8909f4f58
SHA512ca9ed984fc3b2da059586a36cfe87eb251cb58e51cd35b796339159e805518132dd9fd6d160dfdc88b3b6e12db2b953bf3512c870bb593fa897569e7023762d8