Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2023 09:16
Static task
static1
Behavioral task
behavioral1
Sample
PO Lists --- pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO Lists --- pdf.exe
Resource
win10v2004-20230220-en
General
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Target
PO Lists --- pdf.exe
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Size
1.2MB
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MD5
e488e1a45eb1b7ea061c6a3d9f0729f7
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SHA1
523c99b72980e3a82a20378fe22949b2c2bf43a1
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SHA256
4e08d3d7a3ecb630ccf016f97a79aab7f44b255484737d574599c25acf0952b2
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SHA512
a8398e7323c247c5f5bd4239e44f2037aa03619828b8927c30277651128c392950bfd9a3fe59e946f28b3937b473d0ba86169b1baa52f59ed30f53ac7c8ccd53
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SSDEEP
12288:p0yiHh/Iwu6+pM3BHB0kTp05xm0Nj/RfycXzN/7RPyIoDvS/efj1WI0CVq:pGhNu65fI5/NjJfRpNPz1AR0C
Malware Config
Extracted
Protocol: ftp- Host:
ftp.lucd.ru - Port:
21 - Username:
[email protected] - Password:
obum@911
Signatures
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions PO Lists --- pdf.exe -
NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/4368-142-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/3496-150-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3496-152-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3496-154-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/4368-142-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/4148-157-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4148-159-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4148-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4148-167-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/4368-142-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/3496-150-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3496-152-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3496-154-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4148-157-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4148-159-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4148-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4148-167-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools PO Lists --- pdf.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
PO Lists --- pdf.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion PO Lists --- pdf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion PO Lists --- pdf.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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO Lists --- pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" PO Lists --- pdf.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 37 whatismyipaddress.com 39 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
PO Lists --- pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum PO Lists --- pdf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 PO Lists --- pdf.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PO Lists --- pdf.exePO Lists --- pdf.exedescription pid process target process PID 1528 set thread context of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 4368 set thread context of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 set thread context of 4148 4368 PO Lists --- pdf.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
PO Lists --- pdf.exepid process 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe 4368 PO Lists --- pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO Lists --- pdf.exedescription pid process Token: SeDebugPrivilege 4368 PO Lists --- pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO Lists --- pdf.exepid process 4368 PO Lists --- pdf.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
PO Lists --- pdf.exePO Lists --- pdf.exedescription pid process target process PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 1528 wrote to memory of 4368 1528 PO Lists --- pdf.exe PO Lists --- pdf.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 3496 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe PID 4368 wrote to memory of 4148 4368 PO Lists --- pdf.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"{path}"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
PID:4368 -
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:3496
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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⤵PID:4148
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD55200da2e50f24d5d543c3f10674acdcb
SHA1b574a3336839882d799c0a7f635ea238efb934ee
SHA256d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
SHA51224722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196