Analysis
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max time kernel
149s -
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
22-11-2024 03:10
Static task
static1
Behavioral task
behavioral1
Sample
NEW ORDER- 4788467.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
NEW ORDER- 4788467.exe
Resource
win10v2004-20241007-en
General
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Target
NEW ORDER- 4788467.exe
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Size
908KB
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MD5
1cb86400147c835af58017f0474c5bcc
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SHA1
ac285cb623bf292341068dead954cfed9a1f8c81
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SHA256
c35b10fc350209ec356b48282d85b18d9b9ab5c0167dc88461297906602e3d61
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SHA512
ce74f39d092b13570f9387e5d43ced748dea9557e8887fc072694a2cf448b2c4cf741db3e76d551ebef3511b906ae1cbe0fe670f8968e51d1441982ec73b9b0c
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SSDEEP
24576:Nqho7Y33wd4D5N4UmVFruPkMKXbY31qKblvh:y1Hwd4FN4UoFqjKXboTp5
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 1980 powershell.exe 3216 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
NEW ORDER- 4788467.exeNEW ORDER- 4788467.exeremcos.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation NEW ORDER- 4788467.exe Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation NEW ORDER- 4788467.exe Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation remcos.exe -
Executes dropped EXE 2 IoCs
Processes:
remcos.exeremcos.exepid process 1300 remcos.exe 4052 remcos.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
NEW ORDER- 4788467.exeremcos.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" NEW ORDER- 4788467.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" NEW ORDER- 4788467.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-NJK093 = "\"C:\\ProgramData\\Remcos\\remcos.exe\"" remcos.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
NEW ORDER- 4788467.exeremcos.exedescription pid process target process PID 3160 set thread context of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 1300 set thread context of 4052 1300 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:
NEW ORDER- 4788467.exepowershell.exeschtasks.exeNEW ORDER- 4788467.exeremcos.exepowershell.exeschtasks.exeremcos.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NEW ORDER- 4788467.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 NEW ORDER- 4788467.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 -
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 3988 schtasks.exe 3136 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
NEW ORDER- 4788467.exepowershell.exeremcos.exepowershell.exepid process 3160 NEW ORDER- 4788467.exe 3160 NEW ORDER- 4788467.exe 1980 powershell.exe 3160 NEW ORDER- 4788467.exe 3160 NEW ORDER- 4788467.exe 1980 powershell.exe 1300 remcos.exe 1300 remcos.exe 1300 remcos.exe 3216 powershell.exe 3216 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
NEW ORDER- 4788467.exepowershell.exeremcos.exepowershell.exedescription pid process Token: SeDebugPrivilege 3160 NEW ORDER- 4788467.exe Token: SeDebugPrivilege 1980 powershell.exe Token: SeDebugPrivilege 1300 remcos.exe Token: SeDebugPrivilege 3216 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
remcos.exepid process 4052 remcos.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
NEW ORDER- 4788467.exeNEW ORDER- 4788467.exeremcos.exedescription pid process target process PID 3160 wrote to memory of 1980 3160 NEW ORDER- 4788467.exe powershell.exe PID 3160 wrote to memory of 1980 3160 NEW ORDER- 4788467.exe powershell.exe PID 3160 wrote to memory of 1980 3160 NEW ORDER- 4788467.exe powershell.exe PID 3160 wrote to memory of 3136 3160 NEW ORDER- 4788467.exe schtasks.exe PID 3160 wrote to memory of 3136 3160 NEW ORDER- 4788467.exe schtasks.exe PID 3160 wrote to memory of 3136 3160 NEW ORDER- 4788467.exe schtasks.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 3160 wrote to memory of 948 3160 NEW ORDER- 4788467.exe NEW ORDER- 4788467.exe PID 948 wrote to memory of 1300 948 NEW ORDER- 4788467.exe remcos.exe PID 948 wrote to memory of 1300 948 NEW ORDER- 4788467.exe remcos.exe PID 948 wrote to memory of 1300 948 NEW ORDER- 4788467.exe remcos.exe PID 1300 wrote to memory of 3216 1300 remcos.exe powershell.exe PID 1300 wrote to memory of 3216 1300 remcos.exe powershell.exe PID 1300 wrote to memory of 3216 1300 remcos.exe powershell.exe PID 1300 wrote to memory of 3988 1300 remcos.exe schtasks.exe PID 1300 wrote to memory of 3988 1300 remcos.exe schtasks.exe PID 1300 wrote to memory of 3988 1300 remcos.exe schtasks.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe PID 1300 wrote to memory of 4052 1300 remcos.exe remcos.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW ORDER- 4788467.exe"C:\Users\Admin\AppData\Local\Temp\NEW ORDER- 4788467.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:3160 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mWrixkEbVc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mWrixkEbVc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BB1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3136
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C:\Users\Admin\AppData\Local\Temp\NEW ORDER- 4788467.exe"C:\Users\Admin\AppData\Local\Temp\NEW ORDER- 4788467.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:948 -
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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mWrixkEbVc.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3216
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mWrixkEbVc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9006.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3988
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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:4052
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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
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Downloads
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Filesize
144B
MD543e16589f22102511382a406416a7765
SHA147389601fd53ab984a13c8d23534b8b47ec2f321
SHA256aba8e3c22b2026c660ecb3b0c41cbc3a29f28549964f0ce3384c84c140f7b934
SHA5120f0469dda2fff927437984bcc13b2be486b008c687d29ea3f7c9c8630ca93d18e030b611ee07ffb55410145978338641592863bdb56d292d00e88298fcf9c387
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Filesize
908KB
MD51cb86400147c835af58017f0474c5bcc
SHA1ac285cb623bf292341068dead954cfed9a1f8c81
SHA256c35b10fc350209ec356b48282d85b18d9b9ab5c0167dc88461297906602e3d61
SHA512ce74f39d092b13570f9387e5d43ced748dea9557e8887fc072694a2cf448b2c4cf741db3e76d551ebef3511b906ae1cbe0fe670f8968e51d1441982ec73b9b0c
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD516dca86eaa0d384ef136e0715a5d8d35
SHA18a56d6bcd28f839ceab03f5381ea2728bafbdafc
SHA25647168a45838286cf3c0048c098e094b16fbcf90a05ea340f771c6dcde7d2574d
SHA5129a6137c40886a991ca70958a64dbb6c157ed0074baab3a4aba583dd0e7fa2ac670159cd74faf6c86b1e984cf3396115ceee44a970aeba15541bf048e0bdeb4e0
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD55e8c84d57d548e82593064edd01a6e71
SHA118c3169878cceece3feffe887cfeb613711f18cd
SHA256f84136c725f4d82119870bb5a332da19f2b280c2c76c0b1b8354664add9e06ac
SHA5127bd235e1d0de8890b3bebef32c06f038d05d1c20f0b20013f54436919343f03e5268837b2d45560bd679ebd9616429af947954482feb6ade086e46861e61eb33