Analysis
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max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 14:37
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
Resource
win10v2004-20241007-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/4952-41-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1952-47-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3380-40-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4952-41-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/3380-40-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Executes dropped EXE 1 IoCs
pid Process 4732 Images.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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-1-5-21-493223053-2004649691-1575712786-1000\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 4732 set thread context of 4444 4732 Images.exe 111 PID 4444 set thread context of 3380 4444 AddInProcess32.exe 113 PID 4444 set thread context of 4952 4444 AddInProcess32.exe 114 PID 4444 set thread context of 1952 4444 AddInProcess32.exe 115 -
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 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AddInProcess32.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 PING.EXE 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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4072 cmd.exe 3240 PING.EXE 3936 cmd.exe 1364 PING.EXE 2556 PING.EXE -
Runs ping.exe 1 TTPs 3 IoCs
pid Process 3240 PING.EXE 1364 PING.EXE 2556 PING.EXE -
Suspicious behavior: EnumeratesProcesses 37 IoCs
pid Process 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 4732 Images.exe 4732 Images.exe 4732 Images.exe 4732 Images.exe 4732 Images.exe 4732 Images.exe 4732 Images.exe 3380 AddInProcess32.exe 3380 AddInProcess32.exe 1952 AddInProcess32.exe 1952 AddInProcess32.exe 3380 AddInProcess32.exe 3380 AddInProcess32.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 4444 AddInProcess32.exe 4444 AddInProcess32.exe 4444 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe Token: SeDebugPrivilege 4732 Images.exe Token: SeDebugPrivilege 1952 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 63 IoCs
description pid Process procid_target PID 316 wrote to memory of 4072 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 316 wrote to memory of 4072 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 316 wrote to memory of 4072 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 90 PID 4072 wrote to memory of 3240 4072 cmd.exe 92 PID 4072 wrote to memory of 3240 4072 cmd.exe 92 PID 4072 wrote to memory of 3240 4072 cmd.exe 92 PID 316 wrote to memory of 3936 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 99 PID 316 wrote to memory of 3936 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 99 PID 316 wrote to memory of 3936 316 QUOTATION #46789RFQ_SUPLM_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe 99 PID 3936 wrote to memory of 1364 3936 cmd.exe 101 PID 3936 wrote to memory of 1364 3936 cmd.exe 101 PID 3936 wrote to memory of 1364 3936 cmd.exe 101 PID 4072 wrote to memory of 4908 4072 cmd.exe 102 PID 4072 wrote to memory of 4908 4072 cmd.exe 102 PID 4072 wrote to memory of 4908 4072 cmd.exe 102 PID 3936 wrote to memory of 2556 3936 cmd.exe 106 PID 3936 wrote to memory of 2556 3936 cmd.exe 106 PID 3936 wrote to memory of 2556 3936 cmd.exe 106 PID 3936 wrote to memory of 4732 3936 cmd.exe 107 PID 3936 wrote to memory of 4732 3936 cmd.exe 107 PID 3936 wrote to memory of 4732 3936 cmd.exe 107 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 2940 4732 Images.exe 109 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 3844 4732 Images.exe 110 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4732 wrote to memory of 4444 4732 Images.exe 111 PID 4444 wrote to memory of 3380 4444 AddInProcess32.exe 113 PID 4444 wrote to memory of 3380 4444 AddInProcess32.exe 113 PID 4444 wrote to memory of 3380 4444 AddInProcess32.exe 113 PID 4444 wrote to memory of 3380 4444 AddInProcess32.exe 113 PID 4444 wrote to memory of 4952 4444 AddInProcess32.exe 114 PID 4444 wrote to memory of 4952 4444 AddInProcess32.exe 114 PID 4444 wrote to memory of 4952 4444 AddInProcess32.exe 114 PID 4444 wrote to memory of 4952 4444 AddInProcess32.exe 114 PID 4444 wrote to memory of 1952 4444 AddInProcess32.exe 115 PID 4444 wrote to memory of 1952 4444 AddInProcess32.exe 115 PID 4444 wrote to memory of 1952 4444 AddInProcess32.exe 115 PID 4444 wrote to memory of 1952 4444 AddInProcess32.exe 115
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:316 -
C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 15 > 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:4072 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 153⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3240
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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:4908
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C:\Windows\SysWOW64\cmd.exe"cmd" /c ping 127.0.0.1 -n 19 > 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 19 > 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:3936 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 193⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1364
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 193⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2556
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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:4732 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:2940
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"4⤵PID:3844
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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:4444 -
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\yajazdpwm"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3380
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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\ivwsavaxaelcy"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:4952
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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\lpclaotromdhjqme"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
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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
4KB
MD5562a58578d6d04c7fb6bda581c57c03c
SHA112ab2b88624d01da0c5f5d1441aa21cbc276c5f5
SHA256ff5c70287ba432a83f9015209d6e933462edca01d68c53c09882e1e4d22241c8
SHA5123f6e19faa0196bd4c085defa587e664abdd63c25ef30df8f4323e60a5a5aca3cd2709466f772e64ab00fe331d4264841422d6057451947f3500e9252a132254e
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Filesize
1.3MB
MD55c44a72a49fe4fbc94f1c1aa8cbf0ab6
SHA1d0d0903f73b4aa11ee580fb6fd8d80775e6e88de
SHA25639fe045b17ab2fcdb512758a431845409c29ca9341090ac81878658423c39129
SHA512d92503e2ebbaa4e8728098cf6d0079de711a4f92663ad9db8583d848721818e4ecf3790a65253a0cd850c23eed8a46f98049a11f77b9f106344e501d124fbb97