Analysis
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max time kernel
148s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-08-2024 21:28
Behavioral task
behavioral1
Sample
idk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
idk.exe
Resource
win10v2004-20240802-en
General
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Target
idk.exe
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Size
483KB
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MD5
783b3ecb43e1e04cac88e273c7ad2753
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SHA1
4df53206d490af68c1352091ba7a51fbe6d23139
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SHA256
dc0e648c50a81a0be80931b39a973d0edf899eb09c778e68a8b6025635696a05
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SHA512
cc5b563719391acf3a3c54d4ad527e59a0181f57d51a4fc97e7a3a19372392cfa98710f61962844948565e150b92ebf37b2710e30455506d11cfeb174986309b
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SSDEEP
6144:wTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrzT4:wTlrYw1RUh3NFn+N5WfIQIjbs/ZBkT4
Malware Config
Extracted
remcos
RemoteHost
k-peterson.gl.at.ply.gg:64076
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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
Windows.exe
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copy_folder
Windows
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delete_file
false
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hide_file
true
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hide_keylog_file
false
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install_flag
true
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install_path
%WinDir%\System32
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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-HIITQK
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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
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Processes:
reg.exereg.exereg.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
idk.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation idk.exe -
Executes dropped EXE 1 IoCs
Processes:
Windows.exepid Process 3012 Windows.exe -
Adds Run key to start application 2 TTPs 6 IoCs
Processes:
idk.exeWindows.exeiexplore.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" idk.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" idk.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" Windows.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" Windows.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-HIITQK = "\"C:\\Windows\\SysWOW64\\Windows\\Windows.exe\"" iexplore.exe -
Drops file in System32 directory 3 IoCs
Processes:
idk.exedescription ioc Process File created C:\Windows\SysWOW64\Windows\Windows.exe idk.exe File opened for modification C:\Windows\SysWOW64\Windows\Windows.exe idk.exe File opened for modification C:\Windows\SysWOW64\Windows idk.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Windows.exeiexplore.exedescription pid Process procid_target PID 3012 set thread context of 4008 3012 Windows.exe 94 PID 4008 set thread context of 4568 4008 iexplore.exe 98 -
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 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
idk.exereg.exeiexplore.execmd.exereg.exereg.execmd.exeWindows.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language idk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 1 IoCs
Processes:
idk.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ idk.exe -
Modifies registry key 1 TTPs 3 IoCs
Processes:
reg.exereg.exereg.exepid Process 1668 reg.exe 860 reg.exe 4560 reg.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Windows.exepid Process 3012 Windows.exe 3012 Windows.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
Windows.exeiexplore.exepid Process 3012 Windows.exe 4008 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
iexplore.exepid Process 4008 iexplore.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
idk.execmd.exeWindows.exeiexplore.execmd.execmd.exedescription pid Process procid_target PID 2392 wrote to memory of 4600 2392 idk.exe 87 PID 2392 wrote to memory of 4600 2392 idk.exe 87 PID 2392 wrote to memory of 4600 2392 idk.exe 87 PID 4600 wrote to memory of 860 4600 cmd.exe 89 PID 4600 wrote to memory of 860 4600 cmd.exe 89 PID 4600 wrote to memory of 860 4600 cmd.exe 89 PID 2392 wrote to memory of 3012 2392 idk.exe 92 PID 2392 wrote to memory of 3012 2392 idk.exe 92 PID 2392 wrote to memory of 3012 2392 idk.exe 92 PID 3012 wrote to memory of 3920 3012 Windows.exe 93 PID 3012 wrote to memory of 3920 3012 Windows.exe 93 PID 3012 wrote to memory of 3920 3012 Windows.exe 93 PID 3012 wrote to memory of 4008 3012 Windows.exe 94 PID 3012 wrote to memory of 4008 3012 Windows.exe 94 PID 3012 wrote to memory of 4008 3012 Windows.exe 94 PID 3012 wrote to memory of 4008 3012 Windows.exe 94 PID 4008 wrote to memory of 640 4008 iexplore.exe 96 PID 4008 wrote to memory of 640 4008 iexplore.exe 96 PID 4008 wrote to memory of 640 4008 iexplore.exe 96 PID 4008 wrote to memory of 4568 4008 iexplore.exe 98 PID 4008 wrote to memory of 4568 4008 iexplore.exe 98 PID 4008 wrote to memory of 4568 4008 iexplore.exe 98 PID 4008 wrote to memory of 4568 4008 iexplore.exe 98 PID 3920 wrote to memory of 1668 3920 cmd.exe 99 PID 3920 wrote to memory of 1668 3920 cmd.exe 99 PID 3920 wrote to memory of 1668 3920 cmd.exe 99 PID 640 wrote to memory of 4560 640 cmd.exe 100 PID 640 wrote to memory of 4560 640 cmd.exe 100 PID 640 wrote to memory of 4560 640 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\idk.exe"C:\Users\Admin\AppData\Local\Temp\idk.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\cmd.exe/k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f3⤵
- UAC bypass
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:860
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C:\Windows\SysWOW64\Windows\Windows.exe"C:\Windows\SysWOW64\Windows\Windows.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\cmd.exe/k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f4⤵
- UAC bypass
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1668
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\??\c:\program files (x86)\internet explorer\iexplore.exe"c:\program files (x86)\internet explorer\iexplore.exe"3⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4008 -
C:\Windows\SysWOW64\cmd.exe/k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f5⤵
- UAC bypass
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4560
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C:\Windows\SysWOW64\svchost.exesvchost.exe4⤵PID:4568
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
144B
MD55390d65147fa3153cc8da80db0c06829
SHA1fb8fa9118d153ea274627981f3feb50026ff8635
SHA2569d481b39086746a27340848ef47bd1707d777138d73eb9a8e0826d5506a48f5e
SHA512f30f3a5148abd91cef4e7463d1cb4b5e49fa537187f2e0f74e6edae91858314a01cfd4b3f1eeeb04beb9a979120102180ded80b1519d618dacbfb6ee461689f5
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Filesize
483KB
MD5783b3ecb43e1e04cac88e273c7ad2753
SHA14df53206d490af68c1352091ba7a51fbe6d23139
SHA256dc0e648c50a81a0be80931b39a973d0edf899eb09c778e68a8b6025635696a05
SHA512cc5b563719391acf3a3c54d4ad527e59a0181f57d51a4fc97e7a3a19372392cfa98710f61962844948565e150b92ebf37b2710e30455506d11cfeb174986309b