Analysis
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max time kernel
106s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2022 03:16
Static task
static1
Behavioral task
behavioral1
Sample
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe
Resource
win10v2004-20220721-en
General
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Target
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe
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Size
730KB
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MD5
524983eb522687bb2ec861ed6ade8739
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SHA1
67b58d2269902fc2c7ce52290a5d4513bc73a290
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SHA256
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf
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SHA512
c1d2c93f0be8200c917be929cda124a93a5ccc425ab833ccb2d3db1e8533b0f28413c19ce6b6bd0b90756bd6666a3c61562f62549a7f25e964b2e0d7c3fe208f
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3872-140-0x0000000006B30000-0x0000000006BC6000-memory.dmp MailPassView behavioral2/memory/3984-148-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3984-149-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3984-151-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3984-152-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3872-140-0x0000000006B30000-0x0000000006BC6000-memory.dmp WebBrowserPassView behavioral2/memory/2468-153-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/2468-154-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2468-156-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2468-157-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2468-159-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/3872-140-0x0000000006B30000-0x0000000006BC6000-memory.dmp Nirsoft behavioral2/memory/3984-148-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3984-149-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3984-151-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3984-152-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2468-153-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2468-154-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2468-156-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2468-157-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2468-159-0x0000000000400000-0x0000000000458000-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-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 13 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exedescription pid process target process PID 2328 set thread context of 3872 2328 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe PID 3872 set thread context of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 set thread context of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exe56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exepid process 2468 vbc.exe 2468 vbc.exe 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exedescription pid process Token: SeDebugPrivilege 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exepid process 2328 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exedescription pid process target process PID 2328 wrote to memory of 3872 2328 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe PID 2328 wrote to memory of 3872 2328 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe PID 2328 wrote to memory of 3872 2328 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 3984 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe PID 3872 wrote to memory of 2468 3872 56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe"C:\Users\Admin\AppData\Local\Temp\56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exeC:\Users\Admin\AppData\Local\Temp\56a5356d46b18693618a5285d2a106006ded77dca4e05db3ada36c00334f7ddf.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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
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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/2328-134-0x0000000077C60000-0x0000000077E03000-memory.dmpFilesize
1.6MB
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memory/2328-132-0x0000000002310000-0x0000000002316000-memory.dmpFilesize
24KB
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memory/2468-153-0x0000000000000000-mapping.dmp
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memory/2468-159-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2468-157-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2468-156-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2468-154-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3872-143-0x0000000077C60000-0x0000000077E03000-memory.dmpFilesize
1.6MB
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memory/3872-147-0x00000000752D0000-0x0000000075881000-memory.dmpFilesize
5.7MB
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memory/3872-146-0x0000000077C60000-0x0000000077E03000-memory.dmpFilesize
1.6MB
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memory/3872-145-0x00000000752D0000-0x0000000075881000-memory.dmpFilesize
5.7MB
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memory/3872-144-0x0000000077C60000-0x0000000077E03000-memory.dmpFilesize
1.6MB
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memory/3872-140-0x0000000006B30000-0x0000000006BC6000-memory.dmpFilesize
600KB
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memory/3872-137-0x0000000000400000-0x000000000047B000-memory.dmpFilesize
492KB
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memory/3872-133-0x0000000000000000-mapping.dmp
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memory/3984-148-0x0000000000000000-mapping.dmp
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memory/3984-149-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3984-151-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3984-152-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB