Analysis
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max time kernel
200s -
max time network
165s -
platform
windows7_x64 -
resource
win7-20220414-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
18606353f915383edba50e3c08a5ce7b
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SHA1
91cb21162ea742db0ada9ae04c61472e8768f990
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SHA256
9f04350b3ada8d1ed715252a5dc4cf06049a9fa30ad7f0f541dbafc358485e25
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SHA512
e626b6ac23b5b824f4a960740478b3a2089d9bd4e1a5d31ea2e7c53767be43a7863c03a493c32e04e1c2bf9e7fca98a8723161c9b1fb0b11d11096eaabbc6dc2
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1804-60-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/820-64-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/820-67-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/820-68-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1804-60-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1768-70-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1768-69-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-73-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-74-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1804-60-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/820-64-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/820-67-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/820-68-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1768-70-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1768-69-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-73-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-74-0x0000000000400000-0x0000000000458000-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-1-5-21-1083475884-596052423-1669053738-1000\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 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PAGO.exeRegAsm.exedescription pid process target process PID 956 set thread context of 1804 956 PAGO.exe RegAsm.exe PID 1804 set thread context of 820 1804 RegAsm.exe vbc.exe PID 1804 set thread context of 1768 1804 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
RegAsm.exepid process 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe 1804 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
PAGO.exepid process 956 PAGO.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1804 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1804 RegAsm.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
PAGO.exeRegAsm.exedescription pid process target process PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 956 wrote to memory of 1804 956 PAGO.exe RegAsm.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 820 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 RegAsm.exe vbc.exe PID 1804 wrote to memory of 1768 1804 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:956 -
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:1804 -
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:820 -
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:1768
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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/820-64-0x0000000000411654-mapping.dmp
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memory/820-68-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/820-67-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/956-58-0x0000000000280000-0x0000000000283000-memory.dmpFilesize
12KB
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memory/956-54-0x0000000000810000-0x00000000008B6000-memory.dmpFilesize
664KB
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memory/956-56-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/956-55-0x0000000000CD0000-0x0000000000D60000-memory.dmpFilesize
576KB
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memory/1768-70-0x0000000000442628-mapping.dmp
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memory/1768-69-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1768-73-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1768-74-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1804-61-0x0000000002595000-0x00000000025A6000-memory.dmpFilesize
68KB
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memory/1804-62-0x0000000000580000-0x0000000000588000-memory.dmpFilesize
32KB
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memory/1804-60-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1804-57-0x0000000000480C5E-mapping.dmp