Analysis
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max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 17:00
Static task
static1
Behavioral task
behavioral1
Sample
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
Resource
win10v2004-20220901-en
General
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Target
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe
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Size
592KB
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MD5
e72e3c61788b28a0a6992500fe50b273
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SHA1
1c4b6f92a57ac18219e27c6b312bf4b24a08b871
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SHA256
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9
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SHA512
fa45a4949c357daf3edb5f14eb0cb625d2f88339f0e4974b203f20d5cdf53f045cb6c51daf750f3a6bb666fa435f38d3b57e997082114203ce68f92b4e1449c7
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SSDEEP
12288:WdX4TPfF/uuu7zfXnEKKL94IjnfqKvYLsq/Fxlk:WdX4THh447fvYLtl
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
qwerty@12345
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3828-135-0x0000000000400000-0x000000000048C000-memory.dmp MailPassView behavioral2/memory/2236-138-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/2236-139-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2236-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2236-142-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/3828-135-0x0000000000400000-0x000000000048C000-memory.dmp WebBrowserPassView behavioral2/memory/4388-144-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/4388-145-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4388-147-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4388-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/3828-135-0x0000000000400000-0x000000000048C000-memory.dmp Nirsoft behavioral2/memory/2236-138-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2236-139-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2236-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2236-142-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4388-144-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4388-145-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4388-147-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4388-149-0x0000000000400000-0x0000000000458000-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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wSILlzCw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\RaJQQSxJfdL.exe\"" 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.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.
Processes:
flow ioc 14 whatismyipaddress.com 16 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exedescription pid process target process PID 2068 set thread context of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 3828 set thread context of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 set thread context of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exevbc.exe444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exepid process 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 4388 vbc.exe 4388 vbc.exe 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exedescription pid process Token: SeDebugPrivilege 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe Token: SeDebugPrivilege 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exepid process 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exedescription pid process target process PID 2068 wrote to memory of 3772 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3772 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3772 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 2068 wrote to memory of 3828 2068 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 2236 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe PID 3828 wrote to memory of 4388 3828 444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"C:\Users\Admin\AppData\Local\Temp\444db585b476cb752f99675dcce366db68261812111deb8ba59ab59f1c59d4a9.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\holdermail.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\holdermail.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/2068-136-0x0000000074B50000-0x0000000075101000-memory.dmpFilesize
5.7MB
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memory/2068-132-0x0000000074B50000-0x0000000075101000-memory.dmpFilesize
5.7MB
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memory/2236-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2236-138-0x0000000000000000-mapping.dmp
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memory/2236-139-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2236-142-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/3772-133-0x0000000000000000-mapping.dmp
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memory/3828-135-0x0000000000400000-0x000000000048C000-memory.dmpFilesize
560KB
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memory/3828-137-0x0000000074B50000-0x0000000075101000-memory.dmpFilesize
5.7MB
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memory/3828-134-0x0000000000000000-mapping.dmp
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memory/3828-143-0x0000000074B50000-0x0000000075101000-memory.dmpFilesize
5.7MB
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memory/4388-144-0x0000000000000000-mapping.dmp
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memory/4388-145-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4388-147-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/4388-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB