Analysis
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max time kernel
220s -
max time network
255s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 07:46
Static task
static1
Behavioral task
behavioral1
Sample
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe
Resource
win10v2004-20220812-en
General
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Target
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe
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Size
618KB
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MD5
8fdae58392ad71d29d926883a872c946
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SHA1
fd3e1498d4d7aae855f37b0cf617f26fca13feb0
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SHA256
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698
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SHA512
7fdbfd61008499c988e2652a2d804cadb51db2eb42d422b11b5099baa79bb722ba2d15e50b84b509ea922709a031bd4881fc14cae8edefcf5a305622f854a65e
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SSDEEP
12288:F7N6FbbZwr2U01LWLJgUPB+h2j7OHSlhcjg/bv5UZXPyqdoa:z+nWJ01LWLGUP2e7Oys4bv5Q/zd3
Malware Config
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1372-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1372-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1372-63-0x000000000047EA7E-mapping.dmp MailPassView behavioral1/memory/1372-65-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1372-67-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/620-73-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/620-72-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/620-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/620-78-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/620-79-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 11 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1372-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1372-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1372-63-0x000000000047EA7E-mapping.dmp WebBrowserPassView behavioral1/memory/1372-65-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1372-67-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1336-80-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1336-81-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1336-84-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1336-85-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1336-87-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1372-60-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1372-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1372-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1372-63-0x000000000047EA7E-mapping.dmp Nirsoft behavioral1/memory/1372-65-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1372-67-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/620-73-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/620-72-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/620-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/620-78-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/620-79-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1336-80-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1336-81-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1336-84-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1336-85-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1336-87-0x0000000000400000-0x0000000000458000-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
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.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:
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exedescription pid process target process PID 600 set thread context of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 1372 set thread context of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 set thread context of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exedescription pid process Token: SeDebugPrivilege 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exedescription pid process target process PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 600 wrote to memory of 1372 600 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 620 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe PID 1372 wrote to memory of 1336 1372 6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe"C:\Users\Admin\AppData\Local\Temp\6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.exe"C:\Users\Admin\AppData\Local\Temp\6636b4e1d42ff4579a9560d011ed68627c17594d5ef0def521a293046fe11698.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/600-54-0x00000000753F1000-0x00000000753F3000-memory.dmpFilesize
8KB
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memory/600-55-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/600-56-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/600-69-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/620-79-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/620-73-0x0000000000411654-mapping.dmp
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memory/620-72-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/620-76-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/620-78-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1336-85-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1336-80-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1336-81-0x0000000000442628-mapping.dmp
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memory/1336-84-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1336-87-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1372-61-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-71-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/1372-77-0x0000000000A25000-0x0000000000A36000-memory.dmpFilesize
68KB
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memory/1372-70-0x0000000074170000-0x000000007471B000-memory.dmpFilesize
5.7MB
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memory/1372-67-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-65-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-63-0x000000000047EA7E-mapping.dmp
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memory/1372-62-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-60-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-58-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-57-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1372-88-0x0000000000A25000-0x0000000000A36000-memory.dmpFilesize
68KB