Analysis
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max time kernel
75s -
max time network
113s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
14-07-2022 00:31
Static task
static1
Behavioral task
behavioral1
Sample
4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe
Resource
win10v2004-20220414-en
General
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Target
4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe
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Size
823KB
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MD5
e416f63a17df80abc116dfbdd1f30636
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SHA1
6df554a2a077fa6242bf8ffcce238b53e327ffce
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SHA256
4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf
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SHA512
fa2719ff085e5e08e6c488c8a63f2596925073b1243b40f48cd3e95748a8857cf2e177bdb16cd45f09dbfaa725b4f1cb4b42d55bc6e829f47399075a9d657957
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
myrecords1248@
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/932-60-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/932-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/932-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/932-63-0x000000000047EA7E-mapping.dmp MailPassView behavioral1/memory/932-65-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/932-67-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/436-71-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/436-72-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/436-75-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/436-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/436-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/932-60-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/932-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/932-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/932-63-0x000000000047EA7E-mapping.dmp WebBrowserPassView behavioral1/memory/932-65-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/932-67-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1256-79-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1256-80-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1256-83-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1256-85-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
resource yara_rule behavioral1/memory/932-60-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/932-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/932-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/932-63-0x000000000047EA7E-mapping.dmp Nirsoft behavioral1/memory/932-65-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/932-67-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/436-71-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/436-72-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/436-75-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/436-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/436-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1256-79-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1256-80-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1256-83-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1256-85-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description 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
description 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 784 set thread context of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 932 set thread context of 436 932 RegAsm.exe 29 PID 932 set thread context of 1256 932 RegAsm.exe 30 -
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 932 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe Token: SeDebugPrivilege 932 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 932 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 784 wrote to memory of 932 784 4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe 27 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 436 932 RegAsm.exe 29 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30 PID 932 wrote to memory of 1256 932 RegAsm.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe"C:\Users\Admin\AppData\Local\Temp\4936277cbb366241a62317ebc2a94b8b98c6df1fe84916934adb771629bdcdaf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:932 -
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:436
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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⤵PID:1256
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84