Analysis
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max time kernel
150s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 16:44
Static task
static1
Behavioral task
behavioral1
Sample
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe
Resource
win7-20220901-en
General
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Target
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe
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Size
871KB
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MD5
6859c0d074553797b2c13c2efb9fcd3f
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SHA1
69cc977bec873ca83696c2ebe57d5bb53878e7e6
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SHA256
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
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SHA512
9c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4
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SSDEEP
12288:9JHKWU4Gg5Uwq792xTSEKs/nY13SgQP2DXDFPL0JheIVuakIKyliG0u:rKG3qdPmESpPSFPwJYauakIH+
Malware Config
Signatures
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NirSoft WebBrowserPassView 12 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1744-62-0x0000000000400000-0x0000000000498000-memory.dmp WebBrowserPassView behavioral1/memory/1744-63-0x0000000000400000-0x0000000000498000-memory.dmp WebBrowserPassView behavioral1/memory/1744-60-0x0000000000400000-0x0000000000498000-memory.dmp WebBrowserPassView behavioral1/memory/1744-64-0x0000000000466A3E-mapping.dmp WebBrowserPassView behavioral1/memory/1744-66-0x0000000000400000-0x0000000000498000-memory.dmp WebBrowserPassView behavioral1/memory/1744-68-0x0000000000400000-0x0000000000498000-memory.dmp WebBrowserPassView behavioral1/memory/692-88-0x0000000000466A3E-mapping.dmp WebBrowserPassView behavioral1/memory/1440-98-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1440-99-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1440-102-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1440-103-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1440-105-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule behavioral1/memory/1744-62-0x0000000000400000-0x0000000000498000-memory.dmp Nirsoft behavioral1/memory/1744-63-0x0000000000400000-0x0000000000498000-memory.dmp Nirsoft behavioral1/memory/1744-60-0x0000000000400000-0x0000000000498000-memory.dmp Nirsoft behavioral1/memory/1744-64-0x0000000000466A3E-mapping.dmp Nirsoft behavioral1/memory/1744-66-0x0000000000400000-0x0000000000498000-memory.dmp Nirsoft behavioral1/memory/1744-68-0x0000000000400000-0x0000000000498000-memory.dmp Nirsoft behavioral1/memory/692-88-0x0000000000466A3E-mapping.dmp Nirsoft behavioral1/memory/1440-98-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1440-99-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1440-102-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1440-103-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1440-105-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
Processes:
Windows Update.exeWindows Update.exepid process 1080 Windows Update.exe 692 Windows Update.exe -
Deletes itself 1 IoCs
Processes:
Windows Update.exepid process 692 Windows Update.exe -
Loads dropped DLL 2 IoCs
Processes:
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exeWindows Update.exepid process 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 1080 Windows Update.exe -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Windows Update.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.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 3 IoCs
Processes:
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exeWindows Update.exeWindows Update.exedescription pid process target process PID 1712 set thread context of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1080 set thread context of 692 1080 Windows Update.exe Windows Update.exe PID 692 set thread context of 1440 692 Windows Update.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exeWindows Update.exeWindows Update.exepid process 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 1080 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe 692 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exeWindows Update.exeWindows Update.exedescription pid process Token: SeDebugPrivilege 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Token: SeDebugPrivilege 1080 Windows Update.exe Token: SeDebugPrivilege 692 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid process 692 Windows Update.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exeWindows Update.exeWindows Update.exedescription pid process target process PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1712 wrote to memory of 1744 1712 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1744 wrote to memory of 1080 1744 7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 1080 wrote to memory of 692 1080 Windows Update.exe Windows Update.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe PID 692 wrote to memory of 1440 692 Windows Update.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"C:\Users\Admin\AppData\Local\Temp\7e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Deletes itself
- 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:692 -
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"5⤵PID:1440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102B
MD58816d8114c827c26618d03ae63335713
SHA1c9650802a8ac5614dbdaf12b0f48f6bb98a83a67
SHA256e3923008fb65d297558c80c6e6e0a55a0e4565b3c2719f7fa41c27742aa069ad
SHA5122d78419969fea87161e264a527fb626c366239bae9c72b89e308483834d0ae0ce0c565a241231611e9cb014c7018cee1e54b006568515c3b6b11f4f90fd75281
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
871KB
MD56859c0d074553797b2c13c2efb9fcd3f
SHA169cc977bec873ca83696c2ebe57d5bb53878e7e6
SHA2567e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
SHA5129c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4
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Filesize
871KB
MD56859c0d074553797b2c13c2efb9fcd3f
SHA169cc977bec873ca83696c2ebe57d5bb53878e7e6
SHA2567e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
SHA5129c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4
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Filesize
871KB
MD56859c0d074553797b2c13c2efb9fcd3f
SHA169cc977bec873ca83696c2ebe57d5bb53878e7e6
SHA2567e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
SHA5129c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4
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Filesize
871KB
MD56859c0d074553797b2c13c2efb9fcd3f
SHA169cc977bec873ca83696c2ebe57d5bb53878e7e6
SHA2567e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
SHA5129c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4
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Filesize
871KB
MD56859c0d074553797b2c13c2efb9fcd3f
SHA169cc977bec873ca83696c2ebe57d5bb53878e7e6
SHA2567e0d670b972b3896f8cd49df075d5ecc8f46da71526af485e73da70cdd8810b4
SHA5129c77ec020ff8441edede2d5a4653fa8fb7e5e190911644a2fe20d4be747a44e00bb49cc2b3299bf493eb305778f533d2130ffacd69c93c947a5456f5c7e72fb4