Analysis
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max time kernel
137s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
21/05/2024, 16:18
General
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Target
b81ec3eed5416a9831acc7c6d126cd3c2155ea69452497b3b49a85b476d66ca2.exe
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Size
513KB
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MD5
3475004077786835281cd6437d05289a
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SHA1
71e551d7dd566106d30ba98e51637082ba74cd12
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SHA256
b81ec3eed5416a9831acc7c6d126cd3c2155ea69452497b3b49a85b476d66ca2
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SHA512
0a19d12c9d386d714fc57636252ac1b8759bcf6b0cc16545e3400d25793f62d5898c808c63e58c1c776a0def2ce87442f0d74257d13797d658ed07b647117265
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SSDEEP
6144:l8JsLcpjzTDDmHayakLkrb4NSarQWHRnnnnnBMmzCUHaXu7nxFV2uIsobksdGfF:izxzTDWikLSb4NS7gMwaXudfDIuOGfF
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies registry class 1 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of SetWindowsHookEx 12 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b81ec3eed5416a9831acc7c6d126cd3c2155ea69452497b3b49a85b476d66ca2.exe"C:\Users\Admin\AppData\Local\Temp\b81ec3eed5416a9831acc7c6d126cd3c2155ea69452497b3b49a85b476d66ca2.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\网络部_导出表格_公文系统取数判断大于100_202405140932460000.xls"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\RarSFX0\LenovoSoftwareFramework.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\LenovoSoftwareFramework.exe"2⤵
- Executes dropped EXE
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4012 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
207KB
MD5b3f34cc8e9ef36080929acec02fa44fa
SHA143fbd48e7cd0b30c8c1bc86355ada4ac0accbf7c
SHA256617804769bd50dea345a409bb96d5b0c93fe7e4d407e5ef175ba2dce25e48853
SHA512a246fcddff237b23a4cdb47a839251c8323277e259bcb54f45ee82a87f4a59ae47434ac0e636ac38a297899641c8d3c58e295a125b2d1ec01ee93e58b3c0ef0c
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Filesize
22KB
MD5643847e133548f2a002a2e3763c8c763
SHA115a9ff93bdf6baaa61fe44bcd4cca39e0e4877fa
SHA256a8a6b47ec6c33b66c865ac6405ea7f1539432b72dba5b81e32772642ecae00b8
SHA5128a8ca0d2c8bf82812e1826284b9509052347b7da3990308b2078fb2729f15728dd6d1e3bda833271aa0feff16741c236b94c4e57d581e59ea90e0236ec7cdf3c
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB
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Filesize
2.0MB
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Filesize
64KB