Analysis
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max time kernel
153s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
01-07-2022 04:06
Static task
static1
Behavioral task
behavioral1
Sample
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe
Resource
win10v2004-20220414-en
General
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Target
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe
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Size
1.9MB
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MD5
589b3749e7279e109b1ae87eb409454e
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SHA1
672d90b2288578769c8930f807a7b741d47cb0ac
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SHA256
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08
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SHA512
428d82e88207a06584aa9c7cc6457c5358116a680cd0f786477c54ab3256f3334c529e907036a8c2071418a2544e38cf0fa4e0ed80b5bb27d948d8ed848f0d57
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
204@goldsmiths-uk.com - Password:
QWERTY123@@##
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1960-60-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-61-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1960-64-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-67-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1960-68-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1776-70-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1776-69-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1776-73-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1776-75-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral1/memory/1960-60-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-61-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1960-64-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-67-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1960-68-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1776-70-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1776-69-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1776-73-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1776-75-0x0000000000400000-0x0000000000458000-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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" RegAsm.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 whatismyipaddress.com 5 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exeRegAsm.exedescription pid process target process PID 1992 set thread context of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1536 set thread context of 1960 1536 RegAsm.exe vbc.exe PID 1536 set thread context of 1776 1536 RegAsm.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
RegAsm.exepid process 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe 1536 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exepid process 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1536 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exepid process 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exepid process 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exeRegAsm.exedescription pid process target process PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1992 wrote to memory of 1536 1992 dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe RegAsm.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1960 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe PID 1536 wrote to memory of 1776 1536 RegAsm.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe"C:\Users\Admin\AppData\Local\Temp\dde64283919a0f55d651fd0d2382728c0c26afd8efa81be3c6ca85f863ba3d08.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.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⤵
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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/1536-65-0x00000000745D0000-0x0000000074B7B000-memory.dmpFilesize
5.7MB
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memory/1536-76-0x0000000000A86000-0x0000000000A97000-memory.dmpFilesize
68KB
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memory/1536-59-0x00000000745D0000-0x0000000074B7B000-memory.dmpFilesize
5.7MB
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memory/1536-66-0x0000000000A86000-0x0000000000A97000-memory.dmpFilesize
68KB
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memory/1536-56-0x0000000000480BEE-mapping.dmp
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memory/1776-70-0x0000000000442628-mapping.dmp
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memory/1776-75-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1776-73-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1776-69-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1960-61-0x0000000000411654-mapping.dmp
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memory/1960-60-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-68-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-64-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1960-67-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1992-54-0x00000000768D1000-0x00000000768D3000-memory.dmpFilesize
8KB
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memory/1992-57-0x00000000040C0000-0x0000000004143000-memory.dmpFilesize
524KB
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memory/1992-55-0x0000000002B50000-0x0000000002BD3000-memory.dmpFilesize
524KB