Analysis
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max time kernel
148s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-09-2024 01:11
Static task
static1
Behavioral task
behavioral1
Sample
Bordereau de versement.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bordereau de versement.exe
Resource
win10v2004-20240802-en
General
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Target
Bordereau de versement.exe
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Size
849KB
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MD5
90b3d027e4e43d4c867f04b4c89c8589
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SHA1
c23bed92fbe828fa9699115d15e0296ba18ca561
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SHA256
bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351
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SHA512
c5ad505038b66cc8388cfd8d558734663ab3a01e648fe91a25f3103e0493d78e42d03d7090a6738fbf0acda474511be9af57b0416618df3cfb089bb326b82fe4
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SSDEEP
24576:wWnj81akfCViEDhkD+08jwUNH7wMOYfcuLTJdHRa:wWg1akf8iehgzIHJ7wMODIVdHRa
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:59321
nnamoo.duckdns.org:59321
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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
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-41EVS0
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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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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 behavioral1/memory/2368-58-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/404-65-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/920-66-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/920-66-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2368-58-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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.
pid Process 2776 powershell.exe 2220 powershell.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts Bordereau de versement.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2140 set thread context of 1632 2140 Bordereau de versement.exe 38 PID 1632 set thread context of 2368 1632 Bordereau de versement.exe 41 PID 1632 set thread context of 920 1632 Bordereau de versement.exe 46 PID 1632 set thread context of 404 1632 Bordereau de versement.exe 47 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bordereau de versement.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bordereau de versement.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bordereau de versement.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bordereau de versement.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bordereau de versement.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2828 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2140 Bordereau de versement.exe 2140 Bordereau de versement.exe 2140 Bordereau de versement.exe 2140 Bordereau de versement.exe 2220 powershell.exe 2776 powershell.exe 2368 Bordereau de versement.exe 2368 Bordereau de versement.exe -
Suspicious behavior: MapViewOfSection 8 IoCs
pid Process 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe 1632 Bordereau de versement.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2140 Bordereau de versement.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 404 Bordereau de versement.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2220 2140 Bordereau de versement.exe 31 PID 2140 wrote to memory of 2220 2140 Bordereau de versement.exe 31 PID 2140 wrote to memory of 2220 2140 Bordereau de versement.exe 31 PID 2140 wrote to memory of 2220 2140 Bordereau de versement.exe 31 PID 2140 wrote to memory of 2776 2140 Bordereau de versement.exe 33 PID 2140 wrote to memory of 2776 2140 Bordereau de versement.exe 33 PID 2140 wrote to memory of 2776 2140 Bordereau de versement.exe 33 PID 2140 wrote to memory of 2776 2140 Bordereau de versement.exe 33 PID 2140 wrote to memory of 2828 2140 Bordereau de versement.exe 34 PID 2140 wrote to memory of 2828 2140 Bordereau de versement.exe 34 PID 2140 wrote to memory of 2828 2140 Bordereau de versement.exe 34 PID 2140 wrote to memory of 2828 2140 Bordereau de versement.exe 34 PID 2140 wrote to memory of 2924 2140 Bordereau de versement.exe 37 PID 2140 wrote to memory of 2924 2140 Bordereau de versement.exe 37 PID 2140 wrote to memory of 2924 2140 Bordereau de versement.exe 37 PID 2140 wrote to memory of 2924 2140 Bordereau de versement.exe 37 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 2140 wrote to memory of 1632 2140 Bordereau de versement.exe 38 PID 1632 wrote to memory of 2664 1632 Bordereau de versement.exe 40 PID 1632 wrote to memory of 2664 1632 Bordereau de versement.exe 40 PID 1632 wrote to memory of 2664 1632 Bordereau de versement.exe 40 PID 1632 wrote to memory of 2664 1632 Bordereau de versement.exe 40 PID 1632 wrote to memory of 2368 1632 Bordereau de versement.exe 41 PID 1632 wrote to memory of 2368 1632 Bordereau de versement.exe 41 PID 1632 wrote to memory of 2368 1632 Bordereau de versement.exe 41 PID 1632 wrote to memory of 2368 1632 Bordereau de versement.exe 41 PID 1632 wrote to memory of 2368 1632 Bordereau de versement.exe 41 PID 1632 wrote to memory of 1300 1632 Bordereau de versement.exe 42 PID 1632 wrote to memory of 1300 1632 Bordereau de versement.exe 42 PID 1632 wrote to memory of 1300 1632 Bordereau de versement.exe 42 PID 1632 wrote to memory of 1300 1632 Bordereau de versement.exe 42 PID 1632 wrote to memory of 1908 1632 Bordereau de versement.exe 43 PID 1632 wrote to memory of 1908 1632 Bordereau de versement.exe 43 PID 1632 wrote to memory of 1908 1632 Bordereau de versement.exe 43 PID 1632 wrote to memory of 1908 1632 Bordereau de versement.exe 43 PID 1632 wrote to memory of 2604 1632 Bordereau de versement.exe 44 PID 1632 wrote to memory of 2604 1632 Bordereau de versement.exe 44 PID 1632 wrote to memory of 2604 1632 Bordereau de versement.exe 44 PID 1632 wrote to memory of 2604 1632 Bordereau de versement.exe 44 PID 1632 wrote to memory of 1792 1632 Bordereau de versement.exe 45 PID 1632 wrote to memory of 1792 1632 Bordereau de versement.exe 45 PID 1632 wrote to memory of 1792 1632 Bordereau de versement.exe 45 PID 1632 wrote to memory of 1792 1632 Bordereau de versement.exe 45 PID 1632 wrote to memory of 920 1632 Bordereau de versement.exe 46 PID 1632 wrote to memory of 920 1632 Bordereau de versement.exe 46 PID 1632 wrote to memory of 920 1632 Bordereau de versement.exe 46 PID 1632 wrote to memory of 920 1632 Bordereau de versement.exe 46 PID 1632 wrote to memory of 920 1632 Bordereau de versement.exe 46 PID 1632 wrote to memory of 404 1632 Bordereau de versement.exe 47 PID 1632 wrote to memory of 404 1632 Bordereau de versement.exe 47 PID 1632 wrote to memory of 404 1632 Bordereau de versement.exe 47 PID 1632 wrote to memory of 404 1632 Bordereau de versement.exe 47 PID 1632 wrote to memory of 404 1632 Bordereau de versement.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HssCNlssJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HssCNlssJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5EC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2828
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"2⤵PID:2924
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\nhyfudkp"3⤵PID:2664
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\nhyfudkp"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2368
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xjmpvwvrbowm"3⤵PID:1300
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xjmpvwvrbowm"3⤵PID:1908
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xjmpvwvrbowm"3⤵PID:2604
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xjmpvwvrbowm"3⤵PID:1792
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xjmpvwvrbowm"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:920
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C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe"C:\Users\Admin\AppData\Local\Temp\Bordereau de versement.exe" /stext "C:\Users\Admin\AppData\Local\Temp\adriwogkpwoznjc"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:404
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1KB
MD5dd96feea584a05538e60f574313e1ec7
SHA1de187335ebae430d8b2bde33d6881bcdceaba913
SHA2568867043265277d97ff357937b60c4ff5a7c7e95ea9e423b0f6f67ebbb172805d
SHA51213184cce45de470f81eb1da384eab814a8e3e5f5b2b44de34481936ec8a4a0b1188da6a71b772ff7a6800d16ab5c6d8e5a1d991f8552e8c09c0b5b4f51cf6653
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8Y4BKC43OFK86QNP13R6.temp
Filesize7KB
MD5cc17947b4c5b5db138e1b2b81d742a5f
SHA15dd371209e188e66d5587a1ea04938e0a87158f2
SHA256a7bff2dc7187540bb52d1145ff90770d08c4b67431894d2ef6485bf1ca85ab12
SHA512aa090208c2581f68dc0f1a9d70388f7762433a06fc68a997aecfd77a9f47dc2ad09e7ddb2c2c9142bbfcc2210fc48f8cd6672c31aff5b03e5fa48f0e0f226195