Analysis
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max time kernel
103s -
max time network
217s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 07:37
Static task
static1
Behavioral task
behavioral1
Sample
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe
Resource
win7-20221111-en
General
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Target
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe
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Size
530KB
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MD5
0b1dccd7ecf843038c52287b223aae2a
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SHA1
e47677a5ef911123bb1f326fdf59158aa1ed4912
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SHA256
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8
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SHA512
d6c9d0e718d11128ecc88c3935340d68b46b52cd807eaea5073565067b5def61022709a762fb0dde4f61f5af461352ff6f3cc176f44a3be5e905c9933f0c73c7
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SSDEEP
12288:ojJz2Pov0l9IiybQJCFi1FVntKxCZUUUpKXhMMMMMMMMMMMMMMMMMMC7MMMMMMM7:a6NHtybKCFi1F9tKgTXhMMMMMMMMMMMK
Malware Config
Signatures
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1736-57-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1736-58-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1736-61-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1736-62-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1736-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1756-64-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1756-63-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1756-67-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1756-68-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1756-71-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-57-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1736-58-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1736-61-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1736-62-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1756-64-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1756-63-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1756-67-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1756-68-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1736-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1756-71-0x0000000000400000-0x0000000000458000-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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process target process PID 964 set thread context of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 set thread context of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exepid process 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process Token: SeDebugPrivilege 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exepid process 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process target process PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1736 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 964 wrote to memory of 1756 964 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe"C:\Users\Admin\AppData\Local\Temp\798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe"1⤵
- 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:964 -
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:1736
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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⤵PID:1756
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84