Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-09-2024 08:29
Static task
static1
Behavioral task
behavioral1
Sample
New PO-004090924SEPT.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
New PO-004090924SEPT.exe
Resource
win10v2004-20240802-en
General
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Target
New PO-004090924SEPT.exe
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Size
45KB
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MD5
c020ee2eefaa959a9873aba04be3b51d
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SHA1
328fe6ecec7b5ec5edfbed733fb5eb7da149abbb
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SHA256
d6143cfa5a3ac9c371cb290c69dbb04c7b3fd3d136582858641355c923b6e8df
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SHA512
37f60d3f0183c2a70d0ce6ec1061fdff48f220c4fafd1ae7349a55b1cbf45c73b05b6a5aaccda791af9072051ee2a857015e67475994c363fca2155a537a2b69
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SSDEEP
768:usmySfU8WFNac0S1Izw3udLZzGjszlMeOH2TTBnECKFLI6GEBqIq/pg:uLyrdFgcez2uLMszlMeQ2PZUFLI6G8qe
Malware Config
Extracted
remcos
RemoteHost
camzeroconnect.duckdns.org:14645
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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-GT4655
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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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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 8 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/4724-44-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/3944-43-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/3944-48-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4952-42-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/4952-39-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/3944-38-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/4724-41-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/4952-50-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/3944-43-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3944-48-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/3944-38-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4952-42-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4952-39-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/4952-50-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Downloads MZ/PE file
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts aspnet_compiler.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2420 set thread context of 220 2420 New PO-004090924SEPT.exe 87 PID 220 set thread context of 4952 220 aspnet_compiler.exe 99 PID 220 set thread context of 3944 220 aspnet_compiler.exe 100 PID 220 set thread context of 4724 220 aspnet_compiler.exe 101 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 aspnet_compiler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language New PO-004090924SEPT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aspnet_compiler.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4952 aspnet_compiler.exe 4724 aspnet_compiler.exe 4952 aspnet_compiler.exe 4724 aspnet_compiler.exe 4952 aspnet_compiler.exe 4952 aspnet_compiler.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 220 aspnet_compiler.exe 220 aspnet_compiler.exe 220 aspnet_compiler.exe 220 aspnet_compiler.exe 220 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2420 New PO-004090924SEPT.exe Token: SeDebugPrivilege 4724 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 2420 wrote to memory of 220 2420 New PO-004090924SEPT.exe 87 PID 220 wrote to memory of 2288 220 aspnet_compiler.exe 97 PID 220 wrote to memory of 2288 220 aspnet_compiler.exe 97 PID 220 wrote to memory of 2288 220 aspnet_compiler.exe 97 PID 220 wrote to memory of 4284 220 aspnet_compiler.exe 98 PID 220 wrote to memory of 4284 220 aspnet_compiler.exe 98 PID 220 wrote to memory of 4284 220 aspnet_compiler.exe 98 PID 220 wrote to memory of 4952 220 aspnet_compiler.exe 99 PID 220 wrote to memory of 4952 220 aspnet_compiler.exe 99 PID 220 wrote to memory of 4952 220 aspnet_compiler.exe 99 PID 220 wrote to memory of 4952 220 aspnet_compiler.exe 99 PID 220 wrote to memory of 3944 220 aspnet_compiler.exe 100 PID 220 wrote to memory of 3944 220 aspnet_compiler.exe 100 PID 220 wrote to memory of 3944 220 aspnet_compiler.exe 100 PID 220 wrote to memory of 3944 220 aspnet_compiler.exe 100 PID 220 wrote to memory of 4724 220 aspnet_compiler.exe 101 PID 220 wrote to memory of 4724 220 aspnet_compiler.exe 101 PID 220 wrote to memory of 4724 220 aspnet_compiler.exe 101 PID 220 wrote to memory of 4724 220 aspnet_compiler.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\New PO-004090924SEPT.exe"C:\Users\Admin\AppData\Local\Temp\New PO-004090924SEPT.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:220 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\cxbfjmqxdltqpbbsoobceroyn"3⤵PID:2288
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\cxbfjmqxdltqpbbsoobceroyn"3⤵PID:4284
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\cxbfjmqxdltqpbbsoobceroyn"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4952
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\nzgxkfbyztluahpwyzovpebpwehm"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:3944
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\pttilxlsnbdzcndipjbxajwyxlynnfk"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4724
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
MD5c0ab2847671ed5375328c5127a02cc72
SHA1dc2bcb51562fb17e5c8787833bc0181d88a5b75e
SHA256e961f466a0638bc99182d0056245e2d8bf1ccc13a189b802aada981f379e2384
SHA5120b8b634d21ac71e02cef86687bf84b6fcecfd24dafab8130f42ce8b4b3f308a2e1b1fa7bf8d37f2eda76efae2b30b8d39f41d808d771562d8545ed144241924f