Analysis
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max time kernel
110s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
11-01-2022 10:52
Static task
static1
Behavioral task
behavioral1
Sample
tmp/b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
tmp/b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls
Resource
win10-en-20211208
General
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Target
tmp/b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls
-
Size
310KB
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MD5
f1f0cc08d95ede93773d5c81ca809905
-
SHA1
418aadf3d11ff4aaf77cc30f331588ac22d00f38
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SHA256
b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4
-
SHA512
227f9227ccf4f7849f8819fff109b263c61abd074ce9bf956f6b2dfc47a72b14c09d7df1f8f7bff9c40c9fe43cc6f530c5f97425c4eccce9553bfc7f0bc1194e
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3664 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE 3664 EXCEL.EXE
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\tmp\b8587aa8266f54f19957e82df6402ebc56e77f77bd1614ceeee91b9cd8b5b4b4.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3664-115-0x00007FFE91410000-0x00007FFE91420000-memory.dmpFilesize
64KB
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memory/3664-116-0x00007FFE91410000-0x00007FFE91420000-memory.dmpFilesize
64KB
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memory/3664-117-0x00007FFE91410000-0x00007FFE91420000-memory.dmpFilesize
64KB
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memory/3664-118-0x00007FFE91410000-0x00007FFE91420000-memory.dmpFilesize
64KB
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memory/3664-119-0x00000201C7540000-0x00000201C7542000-memory.dmpFilesize
8KB
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memory/3664-120-0x00000201C7540000-0x00000201C7542000-memory.dmpFilesize
8KB
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memory/3664-121-0x00007FFE91410000-0x00007FFE91420000-memory.dmpFilesize
64KB
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memory/3664-122-0x00000201C7540000-0x00000201C7542000-memory.dmpFilesize
8KB