Analysis
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max time kernel
134s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 18:53
Static task
static1
Behavioral task
behavioral1
Sample
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
Resource
win10v2004-20220901-en
General
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Target
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe
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Size
546KB
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MD5
10c7a3129013b5cf9b6568239efb68a6
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SHA1
966797bab8af96e91601225a76cdd9ef86af6524
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SHA256
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269
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SHA512
080d9a26b6e6eb95fa52cde6bac8e52cb865956ee5068b253a2d6dea2d982048e432d38598f0e6093d617271f775c8f2a694df685c9f2b6ef7031d086d159e9c
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SSDEEP
12288:uR4JIfBsDKnR83RP9E1W0TsNJC0+VcdmzkjRQetj+WgaJ8:uR4JHDxE1WesNJC0+VcdmzkjRNl+W
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
kevinstewartmail@gmail.com - Password:
idrisbaba1
Signatures
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NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/2888-137-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/2888-138-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2888-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2888-141-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/720-144-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/720-143-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/720-146-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/720-147-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/720-149-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
Processes:
resource yara_rule behavioral2/memory/2888-137-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/2888-138-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2888-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2888-141-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/720-144-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/720-143-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/720-146-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/720-147-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/720-149-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
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 1 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exedescription ioc process 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" c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.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 15 whatismyipaddress.com 17 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exec58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exedescription pid process target process PID 2604 set thread context of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 1620 set thread context of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 set thread context of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exevbc.exepid process 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe 720 vbc.exe 720 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exec58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exedescription pid process Token: SeDebugPrivilege 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe Token: SeDebugPrivilege 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exepid process 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exec58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exedescription pid process target process PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 2604 wrote to memory of 1620 2604 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 2888 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe PID 1620 wrote to memory of 720 1620 c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"1⤵
- 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\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"C:\Users\Admin\AppData\Local\Temp\c58b826c703c9c630786d40b6302db03506fc55b8a013006e94bee2218792269.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
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
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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memory/720-144-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/720-149-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/720-147-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/720-146-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/720-143-0x0000000000000000-mapping.dmp
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memory/1620-133-0x0000000000000000-mapping.dmp
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memory/1620-135-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/1620-142-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/2604-136-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/2604-132-0x0000000075320000-0x00000000758D1000-memory.dmpFilesize
5.7MB
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memory/2888-141-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2888-140-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2888-138-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/2888-137-0x0000000000000000-mapping.dmp