Analysis
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max time kernel
136s -
max time network
133s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
28-01-2021 18:56
General
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Target
SecuriteInfo.com.Exploit.Siggen3.8959.26365.55.xls
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Size
386KB
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MD5
d16f23f1d5b520fa2407793e2318bbec
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SHA1
58d25900741a1a1fc5e8617322eab6957c520c44
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SHA256
cf4c2af3c3e4ec4658c9ee98da829643c85071dec8b91085af1c2ee2811d406a
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SHA512
93cc56319363704a325703ec512643ad15041def3abed5e56f1029d9658d63ee03444ef6e5c59654ce91f97551366fceca6b0d34c53fd78f9c726b69217a4c4c
Score
10/10
Malware Config
Extracted
Family
buer
C2
jerryskaxtebilling.com
Signatures
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Buer
Buer is a new modular loader first seen in August 2019.
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Buer Loader 2 IoCs
Detects Buer loader in memory or disk.
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Executes dropped EXE 1 IoCs
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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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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 3 IoCs
Processes
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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\SecuriteInfo.com.Exploit.Siggen3.8959.26365.55.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Corporate\globfgef\printeditor.exe"C:\Corporate\globfgef\printeditor.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
6.2MB
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Filesize
64KB
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Filesize
4KB
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Filesize
40KB
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Filesize
32KB