Analysis
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max time kernel
142s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2023 20:51
Behavioral task
behavioral1
Sample
9b0f4414d5b5ee59307d7b2ab60eb8bb.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9b0f4414d5b5ee59307d7b2ab60eb8bb.exe
Resource
win10v2004-20231215-en
General
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Target
9b0f4414d5b5ee59307d7b2ab60eb8bb.exe
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Size
3.3MB
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MD5
9b0f4414d5b5ee59307d7b2ab60eb8bb
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SHA1
8cfe3bbfc4657ed842d527dcefce3b0e27fa62c3
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SHA256
d5dcb2f47ea5932af830b535ac39453a6068f282886f9aa117f0f61dadbde148
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SHA512
9e31ef946ccb2e00c56b4295fe9d5b7156adc5008358e3f1aad905013d1a77027fffd0671829772da015d6d8c22e17f5edd2510567288ae023bd2278be3924b6
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SSDEEP
49152:vQdXxCkdjZE5BpeC/kimEZqa9aVLLkmRNT4rC/2PxI6JPEL0pgpUkQpCQPBImNx:o7kpe8kir9IL94rCSI7QpMUkQpCGBxNx
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
poploly11
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3932-15-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3932-17-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3932-18-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4984-25-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4984-27-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4984-34-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4984-38-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 7 IoCs
Processes:
resource yara_rule behavioral2/memory/3932-15-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3932-17-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3932-18-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4984-25-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4984-27-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4984-34-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4984-38-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
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-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 9b0f4414d5b5ee59307d7b2ab60eb8bb.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 19 whatismyipaddress.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exepid process 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription pid process target process PID 4696 set thread context of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 set thread context of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
vbc.exe9b0f4414d5b5ee59307d7b2ab60eb8bb.exepid process 4984 vbc.exe 4984 vbc.exe 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription pid process Token: SeDebugPrivilege 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exepid process 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
9b0f4414d5b5ee59307d7b2ab60eb8bb.exedescription pid process target process PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 3932 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe PID 4696 wrote to memory of 4984 4696 9b0f4414d5b5ee59307d7b2ab60eb8bb.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9b0f4414d5b5ee59307d7b2ab60eb8bb.exe"C:\Users\Admin\AppData\Local\Temp\9b0f4414d5b5ee59307d7b2ab60eb8bb.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4696 -
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"2⤵
- Accesses Microsoft Outlook accounts
PID:3932
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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"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196