Analysis
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max time kernel
303s -
max time network
345s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-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 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/3928-134-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/3928-136-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3928-140-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/3928-143-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 4 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1832-135-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/1832-137-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1832-141-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1832-142-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/3928-134-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1832-135-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/1832-137-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3928-136-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3928-140-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1832-141-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1832-142-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3928-143-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 54 whatismyipaddress.com 56 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process target process PID 3420 set thread context of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 set thread context of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exepid process 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process Token: SeDebugPrivilege 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exepid process 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exedescription pid process target process PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 3928 3420 798ba479b6beb2cb9e4c8467219b185ac6150491245c9e153de1e39166eb50f8.exe vbc.exe PID 3420 wrote to memory of 1832 3420 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:3420 -
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⤵PID:3928
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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:1832
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