Analysis
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max time kernel
153s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 09:38
Behavioral task
behavioral1
Sample
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe
Resource
win10v2004-20220812-en
General
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Target
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe
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Size
629KB
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MD5
7328113a30f0e3451320b665790a12f2
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SHA1
ade2c85671938df168d285f80ac9849b035337d2
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SHA256
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003
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SHA512
f4ba6d145123bc57c6f8c75f87f08a30abb65d586b51cfb0594ffc6667db074eaae3b816134c70f950c4c0ee98bf03ce741fa1232ba2066b9ceec872f141806d
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SSDEEP
12288:sBzBGNeMwgK2YbD/zTIB7k2B+4/7zHFcUGhjdCixqLoHKdYH1CeZbi6ezAot3EFP:sBOIg6bzTIlkWDXFc3dRxqLoHKdYH1C6
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4280-135-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/1496-139-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/1496-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1496-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1496-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4280-135-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/1800-144-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/1800-145-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1800-147-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1800-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1800-150-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/4280-135-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/1496-139-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1496-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1496-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1496-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1800-144-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1800-145-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1800-147-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1800-148-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1800-150-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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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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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.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 43 whatismyipaddress.com 45 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exedescription pid process target process PID 3372 set thread context of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 4280 set thread context of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 set thread context of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 1800 vbc.exe 1800 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exedescription pid process Token: SeDebugPrivilege 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe Token: SeDebugPrivilege 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exedescription pid process target process PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 3372 wrote to memory of 4280 3372 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1496 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe PID 4280 wrote to memory of 1800 4280 79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe"C:\Users\Admin\AppData\Local\Temp\79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe"C:\Users\Admin\AppData\Local\Temp\79c31e067935e84aea2eabbbc95097741f8e24aa7ff1693a511444a515a90003.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- 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/1496-139-0x0000000000000000-mapping.dmp
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memory/1496-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1496-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1496-140-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1800-145-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1800-144-0x0000000000000000-mapping.dmp
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memory/1800-147-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1800-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1800-150-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3372-137-0x0000000074850000-0x0000000074E01000-memory.dmpFilesize
5.7MB
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memory/3372-132-0x0000000074850000-0x0000000074E01000-memory.dmpFilesize
5.7MB
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memory/3372-133-0x0000000074850000-0x0000000074E01000-memory.dmpFilesize
5.7MB
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memory/4280-138-0x0000000074850000-0x0000000074E01000-memory.dmpFilesize
5.7MB
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memory/4280-136-0x0000000074850000-0x0000000074E01000-memory.dmpFilesize
5.7MB
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memory/4280-135-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/4280-134-0x0000000000000000-mapping.dmp