Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 15:05
Behavioral task
behavioral1
Sample
MalwareBazaar.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
MalwareBazaar.exe
Resource
win10v2004-20240709-en
General
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Target
MalwareBazaar.exe
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Size
483KB
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MD5
2b985c758a227407855e1d8e14f8863d
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SHA1
993301bbe17c097debb66c6dec278d4f74063b41
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SHA256
1b7645def29702c924a9cff0a5234b8a697f6d89be75593a725cf8f7da8c7288
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SHA512
258627a5105f0d03f2cdf3f3980adc64f740fa0557a2e46e216e45ed8bf51424008aa2945795b8f215ae7ce8c83ff253ac0ef3a8b104c4a3beabc5c052eae0d9
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SSDEEP
6144:QXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZoAX0cNz5Gv:QX7tPMK8ctGe4Dzl4h2QnuPs/ZoGcv
Malware Config
Extracted
remcos
RemoteHost
maveing.duckdns.org:18576
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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
Notepo
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keylog_path
%Temp%
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mouse_option
false
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mutex
Rmc-F4JFYD
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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 10 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral2/memory/968-17-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/888-21-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/968-18-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral2/memory/888-16-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1560-15-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/888-13-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/1560-12-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1560-14-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1560-27-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/968-29-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/888-21-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/888-16-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral2/memory/888-13-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/968-17-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/968-18-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral2/memory/968-29-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
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
Processes:
MalwareBazaar.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts MalwareBazaar.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2288 set thread context of 968 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 set thread context of 888 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 set thread context of 1560 2288 MalwareBazaar.exe MalwareBazaar.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
MalwareBazaar.exeMalwareBazaar.exeMalwareBazaar.exeMalwareBazaar.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MalwareBazaar.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
MalwareBazaar.exeMalwareBazaar.exepid process 1560 MalwareBazaar.exe 1560 MalwareBazaar.exe 968 MalwareBazaar.exe 968 MalwareBazaar.exe 968 MalwareBazaar.exe 968 MalwareBazaar.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
MalwareBazaar.exepid process 2288 MalwareBazaar.exe 2288 MalwareBazaar.exe 2288 MalwareBazaar.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MalwareBazaar.exedescription pid process Token: SeDebugPrivilege 1560 MalwareBazaar.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MalwareBazaar.exepid process 2288 MalwareBazaar.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2288 wrote to memory of 968 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 968 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 968 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 888 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 888 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 888 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 1560 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 1560 2288 MalwareBazaar.exe MalwareBazaar.exe PID 2288 wrote to memory of 1560 2288 MalwareBazaar.exe MalwareBazaar.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\sxrzxtubupzzgyowswnamrhywiwhuk"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:968 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\dzesymfdqxrmqekikghbpecpxwoqnvwkf"2⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:888 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\ntkdy"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD543743511e278d786c57459df3244a772
SHA1a5ce6c581250aa0be529070b03899a1006ebe97a
SHA256c29b71d575e6fefac1679e2307b6f627b669efef36b750923d51a7a72f33c0de
SHA512fb65af3f9ae1c93d904fedaad498bb1b452f0a920eebe49e214a2e735bd4700395109e9bc0e6aed81980e64664472c37077d91f400830e5f5a51d75a462902ae
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Filesize
4KB
MD55f9f645ff4e46b384ac7a261904aabcb
SHA1203a1216e576f93c2236a833b93c32c4fd8a0d3b
SHA256887d93e6cbd14afa0cdf26f303b89cc1963ca5c5d7faba6c91ae87be183273b3
SHA512b679e91072a1c3fa59e40ff6565c23549f33520c9c6bc8d1f4e055d65dddec3a8e93c165060668fbabae9f27de28985cc826b23f8402caa5d7bd4455165acbde