Analysis
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max time kernel
125s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
27-06-2023 22:38
Static task
static1
Behavioral task
behavioral1
Sample
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe
Resource
win7-20230621-en
General
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Target
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe
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Size
663KB
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MD5
f0d69c291d513b01ec5a21f53d33b0ed
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SHA1
d9613e6e1e19324bb5b020adbe17407a974364da
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SHA256
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d
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SHA512
7e520253083c451a242005f5dcc5fa76a04f7e3a1273a6884877a8473e01b3bb809617213a70aa8e48130e5ed9222f39a992a4ce68162c9b472ac6970e4fad04
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SSDEEP
12288:vvynoGCh0PqKzFXZHjA5kyL69JY6t59d8zH+jul:HIXXqeXZHjxyL69JvLqze
Malware Config
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4340-137-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/2988-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2988-144-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2988-146-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4340-137-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/2592-151-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2592-153-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2592-157-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2592-161-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/4340-137-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/2988-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2988-144-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2988-146-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2592-151-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2592-153-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2592-157-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2592-161-0x0000000000400000-0x0000000000458000-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-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exedescription ioc process File created C:\Windows\assembly\Desktop.ini e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe File opened for modification C:\Windows\assembly\Desktop.ini e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.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 12 whatismyipaddress.com 14 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exee1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exedescription pid process target process PID 4416 set thread context of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4340 set thread context of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 set thread context of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe -
Drops file in Windows directory 3 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exedescription ioc process File opened for modification C:\Windows\assembly e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe File created C:\Windows\assembly\Desktop.ini e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe File opened for modification C:\Windows\assembly\Desktop.ini e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe -
Suspicious behavior: EnumeratesProcesses 15 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exevbc.exepid process 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe 2592 vbc.exe 2592 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exee1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exedescription pid process Token: SeDebugPrivilege 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe Token: SeDebugPrivilege 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exepid process 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exee1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exedescription pid process target process PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4416 wrote to memory of 4340 4416 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2988 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe PID 4340 wrote to memory of 2592 4340 e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe"C:\Users\Admin\AppData\Local\Temp\e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe"1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe"C:\Users\Admin\AppData\Local\Temp\e1aa6e8874d17d8568200df5ca741845430c07b115875c8f0f9872a1db10482d.exe"2⤵
- 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/2592-151-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2592-161-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2592-157-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2592-153-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2988-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2988-145-0x0000000000420000-0x00000000004E9000-memory.dmpFilesize
804KB
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memory/2988-146-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2988-144-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4340-149-0x0000000001350000-0x0000000001360000-memory.dmpFilesize
64KB
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memory/4340-150-0x0000000001350000-0x0000000001360000-memory.dmpFilesize
64KB
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memory/4340-141-0x0000000001350000-0x0000000001360000-memory.dmpFilesize
64KB
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memory/4340-138-0x0000000001350000-0x0000000001360000-memory.dmpFilesize
64KB
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memory/4340-137-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/4416-147-0x00000000019A0000-0x00000000019B0000-memory.dmpFilesize
64KB
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memory/4416-133-0x00000000019A0000-0x00000000019B0000-memory.dmpFilesize
64KB