Analysis
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max time kernel
83s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 16:12
Static task
static1
Behavioral task
behavioral1
Sample
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
Resource
win7-20220718-en
General
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Target
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe
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Size
773KB
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MD5
847ebb85ec30a8d241155a181e772406
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SHA1
ccf35f05ee42e72c8e61aa19de10000c312ce47a
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SHA256
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94
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SHA512
afbf0e6b596ce937b4da95f5c0d3ca4470701f0bb860143a57e690e31c8c3c676e454f58922e87d12bcab279808f1c806320766ad135c0e2145e1fe158f5448b
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
andrea.santox@yandex.com - Password:
Thiago!!!
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4608-140-0x00000000029F0000-0x0000000002A82000-memory.dmp MailPassView behavioral2/memory/4840-152-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/4840-153-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4840-155-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4840-156-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4608-140-0x00000000029F0000-0x0000000002A82000-memory.dmp WebBrowserPassView behavioral2/memory/212-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/212-159-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/212-162-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/212-163-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/212-165-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/4608-140-0x00000000029F0000-0x0000000002A82000-memory.dmp Nirsoft behavioral2/memory/4840-152-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4840-153-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4840-155-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4840-156-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/212-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/212-159-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/212-162-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/212-163-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/212-165-0x0000000000400000-0x0000000000458000-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-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.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 18 whatismyipaddress.com 20 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exedescription pid process target process PID 2892 set thread context of 4608 2892 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe PID 4608 set thread context of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 set thread context of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exe582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exepid process 212 vbc.exe 212 vbc.exe 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exedescription pid process Token: SeDebugPrivilege 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exepid process 2892 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exedescription pid process target process PID 2892 wrote to memory of 4608 2892 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe PID 2892 wrote to memory of 4608 2892 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe PID 2892 wrote to memory of 4608 2892 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 4840 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe PID 4608 wrote to memory of 212 4608 582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exeC:\Users\Admin\AppData\Local\Temp\582ee16dbf4cd83474afb0bacdc27369aed7214cb2972e7aa2026860dabbad94.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/212-160-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/212-165-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/212-163-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/212-162-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/212-159-0x0000000000000000-mapping.dmp
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memory/2892-134-0x00000000770C0000-0x0000000077263000-memory.dmpFilesize
1.6MB
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memory/2892-132-0x0000000002280000-0x0000000002288000-memory.dmpFilesize
32KB
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memory/4608-149-0x00000000770C0000-0x0000000077263000-memory.dmpFilesize
1.6MB
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memory/4608-157-0x00000000770C0000-0x0000000077263000-memory.dmpFilesize
1.6MB
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memory/4608-158-0x0000000074730000-0x0000000074CE1000-memory.dmpFilesize
5.7MB
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memory/4608-151-0x0000000074730000-0x0000000074CE1000-memory.dmpFilesize
5.7MB
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memory/4608-150-0x00000000770C0000-0x0000000077263000-memory.dmpFilesize
1.6MB
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memory/4608-140-0x00000000029F0000-0x0000000002A82000-memory.dmpFilesize
584KB
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memory/4608-137-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4608-133-0x0000000000000000-mapping.dmp
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memory/4840-153-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4840-155-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4840-156-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4840-152-0x0000000000000000-mapping.dmp