Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-12-2023 15:22
Static task
static1
Behavioral task
behavioral1
Sample
28fbf26d76059fb5f277eaae5b7f894b.exe
Resource
win7-20231129-en
windows7-x64
16 signatures
150 seconds
General
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Target
28fbf26d76059fb5f277eaae5b7f894b.exe
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Size
644KB
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MD5
28fbf26d76059fb5f277eaae5b7f894b
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SHA1
8bf8f4ccadd44da372359a31598856e187dc5b1f
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SHA256
97b1a0a2a2f05f22c3f9ac4152e34ad4d629c577ea9425020d5f8ce204d583d0
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SHA512
2db87c5f04edbfee71575ca045dd96e694e75b0c84a7400e01ba429af44987052d7b7b694bdbc5ef808b917d1f39d6ab6f521b40d895e3c1d8da938450800660
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SSDEEP
12288:q0wKEpZHDQi7vhMgWMzU9l9fDWmSsLbpnHrM8DoiQQWpH3UMQ9fp6zgJGE0:1Ejki75MTSCaaLbpnQ/zpU9ozMa
Malware Config
Extracted
Credentials
Protocol: smtp- Host:
secure.emailsrvr.com - Port:
587 - Username:
[email protected] - Password:
Wako2j22#
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/1988-13-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/4712-81-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4712-83-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4712-85-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1988-13-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/2644-87-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2644-89-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2644-94-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2644-98-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
resource yara_rule behavioral2/memory/1988-13-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/4712-81-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4712-83-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4712-85-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2644-87-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2644-89-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2644-94-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2644-98-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Loads dropped DLL 1 IoCs
pid Process 5068 28fbf26d76059fb5f277eaae5b7f894b.exe -
resource yara_rule behavioral2/memory/5068-75-0x0000000072290000-0x00000000722BE000-memory.dmp upx behavioral2/memory/5068-77-0x0000000072290000-0x00000000722BE000-memory.dmp upx -
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-1-5-21-1232405761-1209240240-3206092754-1000\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.
flow ioc 40 whatismyipaddress.com 42 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5068 set thread context of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 1988 set thread context of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 set thread context of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D69B561148F01C77C54578C10926DF5B856976AD 28fbf26d76059fb5f277eaae5b7f894b.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D69B561148F01C77C54578C10926DF5B856976AD\Blob = 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 28fbf26d76059fb5f277eaae5b7f894b.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D69B561148F01C77C54578C10926DF5B856976AD\Blob = 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 28fbf26d76059fb5f277eaae5b7f894b.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 2644 vbc.exe 2644 vbc.exe 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 1988 28fbf26d76059fb5f277eaae5b7f894b.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5068 28fbf26d76059fb5f277eaae5b7f894b.exe Token: SeDebugPrivilege 1988 28fbf26d76059fb5f277eaae5b7f894b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1988 28fbf26d76059fb5f277eaae5b7f894b.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1988 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 74 PID 5068 wrote to memory of 1772 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 73 PID 5068 wrote to memory of 2400 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 62 PID 5068 wrote to memory of 780 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 91 PID 5068 wrote to memory of 1960 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 32 PID 5068 wrote to memory of 4520 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 28 PID 5068 wrote to memory of 1168 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 86 PID 5068 wrote to memory of 1364 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 83 PID 5068 wrote to memory of 772 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 92 PID 5068 wrote to memory of 1756 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 77 PID 5068 wrote to memory of 376 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 5 PID 5068 wrote to memory of 4564 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 25 PID 5068 wrote to memory of 2932 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 19 PID 5068 wrote to memory of 960 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 88 PID 5068 wrote to memory of 1156 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 87 PID 5068 wrote to memory of 1824 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 15 PID 5068 wrote to memory of 2832 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 33 PID 5068 wrote to memory of 3512 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 45 PID 5068 wrote to memory of 4496 5068 28fbf26d76059fb5f277eaae5b7f894b.exe 27 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 4712 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 97 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100 PID 1988 wrote to memory of 2644 1988 28fbf26d76059fb5f277eaae5b7f894b.exe 100
Processes
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C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:376
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C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"C:\Users\Admin\AppData\Local\Temp\28fbf26d76059fb5f277eaae5b7f894b.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988 -
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:4712
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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
PID:2644
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca1⤵PID:1824
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppX53ypgrj20bgndg05hj3tc7z654myszwp.mca1⤵PID:2932
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo1⤵PID:4564
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca1⤵PID:4496
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:4520
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:1960
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:2832
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3512
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2400
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1772
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1756
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1364
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1168
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1156
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:960
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:780
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:772