Analysis
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max time kernel
158s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 17:02
Static task
static1
Behavioral task
behavioral1
Sample
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe
Resource
win10v2004-20220812-en
General
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Target
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe
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Size
619KB
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MD5
02d31b47cd3b10b80472c52fd9fd24c1
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SHA1
9aa44e8335404c28ef1e155e5e08263dc864fc70
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SHA256
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da
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SHA512
ec96ca44ea32c4a606c874b713c07769700455132ed97c0a92ab6ef84b27b7a018df7b19ebd021c6b975797fa8eac5c98c0e02bae93d4c492c42c516801d9997
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SSDEEP
12288:NqTSrqmGP2dDvxM2j+9zLllMOSM3LIre1LJl8L/6gW11TVIwMZh:NqTSrK25x/+Jw5M3LIre1tl8L/da
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/1404-135-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral2/memory/2392-140-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/2392-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2392-147-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2392-148-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1404-135-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral2/memory/2196-141-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/2196-143-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2196-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2196-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2196-151-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/1404-135-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral2/memory/2196-141-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2392-140-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2196-143-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2392-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2392-147-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2196-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2392-148-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2196-149-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2196-151-0x0000000000400000-0x0000000000458000-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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 34 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exedescription pid process target process PID 4708 set thread context of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 1404 set thread context of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 set thread context of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 2196 vbc.exe 2196 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exedescription pid process Token: SeDebugPrivilege 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exedescription pid process target process PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 4708 wrote to memory of 1404 4708 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2392 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe PID 1404 wrote to memory of 2196 1404 67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe"C:\Users\Admin\AppData\Local\Temp\67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Users\Admin\AppData\Local\Temp\67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe"C:\Users\Admin\AppData\Local\Temp\67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1404 -
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:2196 -
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:2392
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\67edd4b23eaeea7d7dfd4c3bfa722d939a0e54f01ff0f3945b450617420025da.exe.logFilesize
496B
MD5cb76b18ebed3a9f05a14aed43d35fba6
SHA1836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA2568d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA5127631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/1404-138-0x0000000074AC0000-0x0000000075071000-memory.dmpFilesize
5.7MB
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memory/1404-134-0x0000000000000000-mapping.dmp
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memory/1404-135-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1404-139-0x0000000074AC0000-0x0000000075071000-memory.dmpFilesize
5.7MB
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memory/2196-141-0x0000000000000000-mapping.dmp
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memory/2196-143-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2196-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2196-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2196-151-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/2392-140-0x0000000000000000-mapping.dmp
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memory/2392-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2392-147-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2392-148-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4708-137-0x0000000074AC0000-0x0000000075071000-memory.dmpFilesize
5.7MB
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memory/4708-132-0x0000000074AC0000-0x0000000075071000-memory.dmpFilesize
5.7MB
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memory/4708-133-0x0000000074AC0000-0x0000000075071000-memory.dmpFilesize
5.7MB