Analysis
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max time kernel
71s -
max time network
194s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 16:28
Static task
static1
Behavioral task
behavioral1
Sample
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe
Resource
win10v2004-20221111-en
General
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Target
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe
-
Size
940KB
-
MD5
3a38cceb45b5a3176b09c7fe520a5661
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SHA1
6fdbc5eb2c78c3c324f3f711e1af5049a55bc8d2
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SHA256
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a
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SHA512
77376ded1635eebdbfe12c9c789fb0adb12b5cca19da9dc7d59065e60d8c86a709ffd9a6b382d04c94e376d5c0ca16f44613f8f6d2b219db66fb7d6697fd2914
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SSDEEP
24576:++5s1mD0fmUFucvysNsrhlBl0gYHX3QlVmmm++HHdhpFpok7U3H85p4VOOKjD3La:1WmD0fmMucZOrhlBl0gYHX3QlVmmm++g
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
longwheelbase2018@yandex.com - Password:
success
Signatures
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NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1464-69-0x0000000002610000-0x00000000026A0000-memory.dmp MailPassView behavioral1/memory/1136-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1136-78-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1136-81-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1136-82-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1136-83-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1464-69-0x0000000002610000-0x00000000026A0000-memory.dmp WebBrowserPassView behavioral1/memory/916-84-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/916-85-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/916-88-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/916-89-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/916-91-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 11 IoCs
Processes:
resource yara_rule behavioral1/memory/1464-69-0x0000000002610000-0x00000000026A0000-memory.dmp Nirsoft behavioral1/memory/1136-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1136-78-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1136-81-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1136-82-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1136-83-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/916-84-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/916-85-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/916-88-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/916-89-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/916-91-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.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 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exedescription pid process target process PID 1140 set thread context of 1464 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe PID 1464 set thread context of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 set thread context of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exepid process 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exedescription pid process target process PID 1140 wrote to memory of 1464 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe PID 1140 wrote to memory of 1464 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe PID 1140 wrote to memory of 1464 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe PID 1140 wrote to memory of 1464 1140 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 1136 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe PID 1464 wrote to memory of 916 1464 1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe"C:\Users\Admin\AppData\Local\Temp\1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exeC:\Users\Admin\AppData\Local\Temp\1bfd69a81f236a121586a100115b6ef1249798a4cca1a6251f087c79fca3ce9a.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/916-91-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/916-89-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/916-88-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/916-85-0x0000000000442628-mapping.dmp
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memory/916-84-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1136-77-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1136-83-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1136-82-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1136-81-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1136-78-0x0000000000411654-mapping.dmp
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memory/1140-62-0x0000000077B60000-0x0000000077CE0000-memory.dmpFilesize
1.5MB
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memory/1140-56-0x0000000000240000-0x0000000000248000-memory.dmpFilesize
32KB
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memory/1140-57-0x0000000075DF1000-0x0000000075DF3000-memory.dmpFilesize
8KB
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memory/1140-58-0x0000000077980000-0x0000000077B29000-memory.dmpFilesize
1.7MB
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memory/1140-59-0x0000000077B60000-0x0000000077CE0000-memory.dmpFilesize
1.5MB
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memory/1140-61-0x0000000000240000-0x0000000000248000-memory.dmpFilesize
32KB
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memory/1464-73-0x0000000074AF0000-0x000000007509B000-memory.dmpFilesize
5.7MB
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memory/1464-66-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/1464-64-0x0000000000400000-0x00000000004EA000-memory.dmpFilesize
936KB
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memory/1464-69-0x0000000002610000-0x00000000026A0000-memory.dmpFilesize
576KB
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memory/1464-72-0x0000000077980000-0x0000000077B29000-memory.dmpFilesize
1.7MB
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memory/1464-60-0x00000000004BF22C-mapping.dmp
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memory/1464-74-0x0000000000220000-0x0000000000228000-memory.dmpFilesize
32KB
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memory/1464-76-0x0000000074AF0000-0x000000007509B000-memory.dmpFilesize
5.7MB
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memory/1464-75-0x0000000006885000-0x0000000006896000-memory.dmpFilesize
68KB
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memory/1464-92-0x0000000006885000-0x0000000006896000-memory.dmpFilesize
68KB