Analysis
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max time kernel
204s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:34
Static task
static1
Behavioral task
behavioral1
Sample
PAGO.exe
Resource
win7-20220414-en
General
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Target
PAGO.exe
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Size
640KB
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MD5
ed8cbaaad32148441d5822bb7d8627f6
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SHA1
f9bed9c2faf30a831bf759e812400115ac442814
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SHA256
cf70d70fea87e6ad3690e0fe6823409573e72d29b8d41452dba2fddb85d99b7b
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SHA512
52c5769ad0f851d9d42d936ae9e0df7742075da36231a4085a8e3af326f13b93e41c052f284225bfc7decba52e90516ebdca2d4ba4031364a305b0f0e41f387e
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/1756-133-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/3768-140-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3768-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3768-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3768-144-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1756-133-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/1092-145-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/1092-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1092-148-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1092-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/1756-133-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/3768-140-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3768-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3768-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3768-144-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1092-145-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1092-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1092-148-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1092-149-0x0000000000400000-0x0000000000458000-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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.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 16 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PAGO.exeRegAsm.exedescription pid process target process PID 60 set thread context of 1756 60 PAGO.exe RegAsm.exe PID 1756 set thread context of 3768 1756 RegAsm.exe vbc.exe PID 1756 set thread context of 1092 1756 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
RegAsm.exepid process 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe 1756 RegAsm.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
PAGO.exepid process 60 PAGO.exe 60 PAGO.exe 60 PAGO.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1756 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1756 RegAsm.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
PAGO.exeRegAsm.exedescription pid process target process PID 60 wrote to memory of 3548 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 3548 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 3548 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 4736 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 4736 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 4736 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 1756 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 1756 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 1756 60 PAGO.exe RegAsm.exe PID 60 wrote to memory of 1756 60 PAGO.exe RegAsm.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 3768 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe PID 1756 wrote to memory of 1092 1756 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAGO.exe"C:\Users\Admin\AppData\Local\Temp\PAGO.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:60 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3548
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756 -
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
PID:3768 -
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⤵PID:1092
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4736
Network
MITRE ATT&CK Enterprise 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/60-130-0x0000000000C20000-0x0000000000CC6000-memory.dmpFilesize
664KB
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memory/60-132-0x0000000002F00000-0x0000000002F03000-memory.dmpFilesize
12KB
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memory/1092-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1092-148-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1092-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1092-145-0x0000000000000000-mapping.dmp
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memory/1756-138-0x0000000005A60000-0x0000000005AB6000-memory.dmpFilesize
344KB
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memory/1756-137-0x0000000005850000-0x000000000585A000-memory.dmpFilesize
40KB
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memory/1756-139-0x00000000014D0000-0x0000000001536000-memory.dmpFilesize
408KB
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memory/1756-136-0x00000000058D0000-0x0000000005962000-memory.dmpFilesize
584KB
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memory/1756-135-0x0000000005DE0000-0x0000000006384000-memory.dmpFilesize
5.6MB
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memory/1756-134-0x0000000005720000-0x00000000057BC000-memory.dmpFilesize
624KB
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memory/1756-133-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1756-131-0x0000000000000000-mapping.dmp
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memory/3768-140-0x0000000000000000-mapping.dmp
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memory/3768-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3768-143-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3768-144-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB