Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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
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.
Processes:
resource yara_rule behavioral1/memory/2792-16-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2792-17-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2896-13-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2792-20-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2868-10-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2868-6-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2868-25-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2896-34-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/2896-13-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2896-34-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/2868-10-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2868-6-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2868-25-0x0000000000400000-0x0000000000478000-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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts MalwareBazaar.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2960 set thread context of 2868 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 set thread context of 2896 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 set thread context of 2792 2960 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 2 IoCs
Processes:
MalwareBazaar.exepid process 2868 MalwareBazaar.exe 2868 MalwareBazaar.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
MalwareBazaar.exepid process 2960 MalwareBazaar.exe 2960 MalwareBazaar.exe 2960 MalwareBazaar.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MalwareBazaar.exedescription pid process Token: SeDebugPrivilege 2792 MalwareBazaar.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MalwareBazaar.exepid process 2960 MalwareBazaar.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
MalwareBazaar.exedescription pid process target process PID 2960 wrote to memory of 2868 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2868 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2868 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2868 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2896 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2896 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2896 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2896 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2792 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2792 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2792 2960 MalwareBazaar.exe MalwareBazaar.exe PID 2960 wrote to memory of 2792 2960 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:2960 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\rqorubmecnirwbkpaylnx"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2868 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\ckbbvtwgqvaehhytriggidrql"2⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2896 -
C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exeC:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe /stext "C:\Users\Admin\AppData\Local\Temp\emguvlhamdsjjnuxatsililhlwxs"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD598827b2d02d68df1c8a06b49e5d0016c
SHA14bd8c4eec3a81c99c7390fb1436e9646c4cdaffa
SHA2565dcc657bdf4a4fb47bde85a26238c38b57cc2b0f536f48c5b5f246d5d1217a07
SHA5129c9d8c8e77c53216c9a930499504c1cd5887c036af3d3b5ce09d4cffad3cf2dab6f1923b9fe024ab89ae81ec6451475fa4364f7fc28f0453385c8adaff7a7d2a
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84