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Analysis
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max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
02/09/2024, 14:07
Behavioral task
behavioral1
Sample
mal.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
mal.exe
Resource
win10v2004-20240802-en
General
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Target
mal.exe
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Size
483KB
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MD5
1f1dbf12b048ad53ceb7b62a1af1d60b
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SHA1
7843bc1228e3037ce39aab2710edf006cdddd919
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SHA256
d3a32f2258bd5eff952576259dd78a6e73f56d52d07783d4fbc3ffd966549950
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SHA512
2d263fecec7680c9647a8217561e6c61aa552c74978970d8cd132c29a3298eaa7b240cbd96e397683d81c4857fc95748389dc744a43d560642962877a5695f09
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SSDEEP
6144:QTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrJT4:QTlrYw1RUh3NFn+N5WfIQIjbs/ZBuT4
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 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2660-7-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2160-10-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2788-14-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2788-15-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2660-9-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2788-18-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/2160-8-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral1/memory/2660-23-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/2160-26-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2160-10-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2160-8-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView behavioral1/memory/2160-26-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2660-7-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2660-9-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView behavioral1/memory/2660-23-0x0000000000400000-0x0000000000478000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts mal.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2204 set thread context of 2660 2204 mal.exe 32 PID 2204 set thread context of 2160 2204 mal.exe 33 PID 2204 set thread context of 2788 2204 mal.exe 34 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mal.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2660 mal.exe 2660 mal.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2204 mal.exe 2204 mal.exe 2204 mal.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2788 mal.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2660 2204 mal.exe 32 PID 2204 wrote to memory of 2660 2204 mal.exe 32 PID 2204 wrote to memory of 2660 2204 mal.exe 32 PID 2204 wrote to memory of 2660 2204 mal.exe 32 PID 2204 wrote to memory of 2160 2204 mal.exe 33 PID 2204 wrote to memory of 2160 2204 mal.exe 33 PID 2204 wrote to memory of 2160 2204 mal.exe 33 PID 2204 wrote to memory of 2160 2204 mal.exe 33 PID 2204 wrote to memory of 2788 2204 mal.exe 34 PID 2204 wrote to memory of 2788 2204 mal.exe 34 PID 2204 wrote to memory of 2788 2204 mal.exe 34 PID 2204 wrote to memory of 2788 2204 mal.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\mal.exe"C:\Users\Admin\AppData\Local\Temp\mal.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Local\Temp\mal.exeC:\Users\Admin\AppData\Local\Temp\mal.exe /stext "C:\Users\Admin\AppData\Local\Temp\tfijznhzirftldma"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2660
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C:\Users\Admin\AppData\Local\Temp\mal.exeC:\Users\Admin\AppData\Local\Temp\mal.exe /stext "C:\Users\Admin\AppData\Local\Temp\ehncafstezxywjiewpv"2⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2160
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C:\Users\Admin\AppData\Local\Temp\mal.exeC:\Users\Admin\AppData\Local\Temp\mal.exe /stext "C:\Users\Admin\AppData\Local\Temp\gctubycushplyxwqnahlfth"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84