Analysis
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max time kernel
597s -
max time network
586s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-11-2024 14:02
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win11-20241007-en
General
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Target
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
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Size
1.3MB
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MD5
5c44a72a49fe4fbc94f1c1aa8cbf0ab6
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SHA1
d0d0903f73b4aa11ee580fb6fd8d80775e6e88de
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SHA256
39fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
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SHA512
d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97
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SSDEEP
24576:ctcKivRdWnSyEHyfE75BP/+mgWdm/bTLLK6:LKmXWSy6r2mgxv
Malware Config
Extracted
remcos
SLAVES
windowslavesclient.duckdns.org:1604
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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
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
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mouse_option
false
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mutex
Rmc-J3MJAP
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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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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/3136-44-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/5432-43-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/2796-41-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3136-44-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/5432-43-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Executes dropped EXE 1 IoCs
pid Process 3564 Images.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts AddInProcess32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Windows\CurrentVersion\Run\Videoss = "C:\\Users\\Admin\\AppData\\Roaming\\Images.exe" reg.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3564 set thread context of 416 3564 Images.exe 86 PID 416 set thread context of 5432 416 AddInProcess32.exe 87 PID 416 set thread context of 3136 416 AddInProcess32.exe 88 PID 416 set thread context of 2796 416 AddInProcess32.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Images.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5320 cmd.exe 5948 PING.EXE 5764 cmd.exe 2700 PING.EXE 3080 PING.EXE -
Runs ping.exe 1 TTPs 3 IoCs
pid Process 5948 PING.EXE 2700 PING.EXE 3080 PING.EXE -
Suspicious behavior: EnumeratesProcesses 29 IoCs
pid Process 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 3564 Images.exe 3564 Images.exe 3564 Images.exe 5432 AddInProcess32.exe 5432 AddInProcess32.exe 2796 AddInProcess32.exe 2796 AddInProcess32.exe 5432 AddInProcess32.exe 5432 AddInProcess32.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 416 AddInProcess32.exe 416 AddInProcess32.exe 416 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe Token: SeDebugPrivilege 3564 Images.exe Token: SeDebugPrivilege 2796 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 2908 wrote to memory of 5320 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 77 PID 2908 wrote to memory of 5320 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 77 PID 2908 wrote to memory of 5320 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 77 PID 5320 wrote to memory of 5948 5320 cmd.exe 79 PID 5320 wrote to memory of 5948 5320 cmd.exe 79 PID 5320 wrote to memory of 5948 5320 cmd.exe 79 PID 2908 wrote to memory of 5764 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 80 PID 2908 wrote to memory of 5764 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 80 PID 2908 wrote to memory of 5764 2908 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 80 PID 5764 wrote to memory of 2700 5764 cmd.exe 82 PID 5764 wrote to memory of 2700 5764 cmd.exe 82 PID 5764 wrote to memory of 2700 5764 cmd.exe 82 PID 5320 wrote to memory of 1232 5320 cmd.exe 83 PID 5320 wrote to memory of 1232 5320 cmd.exe 83 PID 5320 wrote to memory of 1232 5320 cmd.exe 83 PID 5764 wrote to memory of 3080 5764 cmd.exe 84 PID 5764 wrote to memory of 3080 5764 cmd.exe 84 PID 5764 wrote to memory of 3080 5764 cmd.exe 84 PID 5764 wrote to memory of 3564 5764 cmd.exe 85 PID 5764 wrote to memory of 3564 5764 cmd.exe 85 PID 5764 wrote to memory of 3564 5764 cmd.exe 85 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 3564 wrote to memory of 416 3564 Images.exe 86 PID 416 wrote to memory of 5432 416 AddInProcess32.exe 87 PID 416 wrote to memory of 5432 416 AddInProcess32.exe 87 PID 416 wrote to memory of 5432 416 AddInProcess32.exe 87 PID 416 wrote to memory of 5432 416 AddInProcess32.exe 87 PID 416 wrote to memory of 3136 416 AddInProcess32.exe 88 PID 416 wrote to memory of 3136 416 AddInProcess32.exe 88 PID 416 wrote to memory of 3136 416 AddInProcess32.exe 88 PID 416 wrote to memory of 3136 416 AddInProcess32.exe 88 PID 416 wrote to memory of 2796 416 AddInProcess32.exe 89 PID 416 wrote to memory of 2796 416 AddInProcess32.exe 89 PID 416 wrote to memory of 2796 416 AddInProcess32.exe 89 PID 416 wrote to memory of 2796 416 AddInProcess32.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 18 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5320 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 183⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:5948
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Videoss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Images.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1232
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C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 29 > nul && copy "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe" "C:\Users\Admin\AppData\Roaming\Images.exe" && ping 127.0.0.1 -n 29 > nul && "C:\Users\Admin\AppData\Roaming\Images.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5764 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 293⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2700
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 293⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3080
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C:\Users\Admin\AppData\Roaming\Images.exe"C:\Users\Admin\AppData\Roaming\Images.exe"3⤵
- 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:3564 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:416 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\dyxjjkanmasq"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5432
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\nactjclhaikvsmi"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3136
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe /stext "C:\Users\Admin\AppData\Local\Temp\yuimcueiwqdicawylsv"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2796
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1.3MB
MD55c44a72a49fe4fbc94f1c1aa8cbf0ab6
SHA1d0d0903f73b4aa11ee580fb6fd8d80775e6e88de
SHA25639fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
SHA512d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97