Analysis
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max time kernel
159s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220722-en -
resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 08:52
Static task
static1
Behavioral task
behavioral1
Sample
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
Resource
win10v2004-20220722-en
General
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Target
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe
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Size
774KB
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MD5
68a41808ee9c962f1b2ddd6c66bd86f5
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SHA1
1f18c2a5bc5f1be2b2857f6b3943a8d3cfb1a28d
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SHA256
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8
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SHA512
c04719c25a8f4882ea951ea96af4715e041ebda783a5a833717614a3f3865c51202dda786cb87f7b84d4f834ae6c1ef4619ced72d4c16c5e60d8c51d5c747acd
Malware Config
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2940-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2940-140-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/2940-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2940-144-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3160-145-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3160-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3160-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3160-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3160-151-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/2940-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2940-140-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2940-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2940-144-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3160-145-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3160-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3160-148-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3160-149-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3160-151-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 59 whatismyipaddress.com 61 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exedescription pid process target process PID 2016 set thread context of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2264 set thread context of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 set thread context of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exevbc.exepid process 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 3160 vbc.exe 3160 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exedescription pid process Token: SeDebugPrivilege 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe Token: SeDebugPrivilege 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exepid process 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exedescription pid process target process PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2016 wrote to memory of 2264 2016 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 2940 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe PID 2264 wrote to memory of 3160 2264 8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"C:\Users\Admin\AppData\Local\Temp\8c746fba62e2b97d13c9b437eaa82510d0df7141615a6319f0409b4955494ba8.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/2016-132-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2016-133-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2016-138-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2264-134-0x0000000000000000-mapping.dmp
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memory/2264-136-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2264-137-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2264-139-0x0000000074780000-0x0000000074D31000-memory.dmpFilesize
5.7MB
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memory/2940-140-0x0000000000000000-mapping.dmp
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memory/2940-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2940-144-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2940-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3160-145-0x0000000000000000-mapping.dmp
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memory/3160-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3160-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3160-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3160-151-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB