Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231201-en -
resource tags
arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 20:22
Static task
static1
Behavioral task
behavioral1
Sample
Package.xls
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Package.xls
Resource
win10-20231025-en
Behavioral task
behavioral3
Sample
Package.xls
Resource
win10v2004-20231201-en
General
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Target
Package.xls
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Size
391KB
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MD5
3e33c8cf5b3ce2fa86f1b0ab22d2d3c2
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SHA1
de4c28fc5c4eab8c71b09830ff295b901be6a844
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SHA256
7712b3d4b61189ccbafdbcc285b7a761d517bb68295626e30c33c24c38fb95cd
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SHA512
0ef6016a7e6d0a45d9358ee21ddacea1b0aa393f276dadc32f3218c89f41fbea9ac765b5127c60cc8c069eb26ee52ffb740d0a7eb2af6ccf20a68e7740852354
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SSDEEP
6144:ln1m9kdbQS6vsB3qfLWnNnBkbE9UX3yhnpC3quvmb6SrnV3LYpMMAI:lOeuvsB351Bkr3yh9b9hr
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 6 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3204 EXCEL.EXE 2672 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeAuditPrivilege 2672 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
pid Process 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 3204 EXCEL.EXE 2672 WINWORD.EXE 2672 WINWORD.EXE 2672 WINWORD.EXE 2672 WINWORD.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\Package.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3204
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2672
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\19B853F0-26E4-416E-9C1F-E71943C18238
Filesize158KB
MD5564ceda8c92e919031aba47204515824
SHA1c6bc8ab90e55a86b22cf3207b9dda3df1d14a0ab
SHA2564059fde57c718b41483e7ad54c8224a96351bfc96d2022757f3d49dee8aea4e0
SHA5126a782b89342c154f4a2f57636e720d969a062e6539ce0ffabb5502d3fda78f8ae8c071db7ff962b56020e2926ee364e3706006db3a8144309b0bca6435110615
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C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres
Filesize2KB
MD5c4648593dcefcf2c21b5d90044bcc57f
SHA149361406837a42387d31f87647832c7f45352e6c
SHA25690b2d642feec1e6f8dda066384bef6498a5255055d1ae8a295abee69f391f29b
SHA512146035a5d2d5301ca08d33cd5c64cd31c4c2e98055d12c0fdbba04a6581cbf84380442e99c236288166062021aff4be0d0510542f8bc80d3964e7ef204ff3d87
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C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\49dbe2955480c7f6ef8cec9c4320c9868d9293fd.tbres
Filesize2KB
MD55001a859a5247d0b5c14ad3d5c5d4ae6
SHA125e2cbfbd1ac82c95ffdc5fd6a6d8c871bfeb5db
SHA2560d34310e985ceab9eb1b24c0df205ad3536200b76db048a7594c113e499e1b0c
SHA512edad192352a5d190626f6119895a18fc87641ec22ff227b1dac3b16e0d4252016d755c0598b1812f308093892f8e66e5ca53f4dd84f21b640bfcd7417cffc80c
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2ZP04V7W\microsofttoldemetheywanttodeletehistorycatchcookiefrommypc[1].doc
Filesize48KB
MD508568b90661f80313579e0c16c2737f0
SHA1859aa8a945a3585bf777ef29bbfeaeba8bc22526
SHA2560bad6a3f47fd9b9063f5c71609e68bd2de6f9d6e4cf1a183351ee8f2f7ebf32b
SHA512f46cf40ef8199cfe58ebd0bc63a09aa70c4c6d6bda1a55bd0d3ef63e26ea3580c63d963d8d4c9af28981ce369edd62a88779dad1bd0f4192115e6f534cb625d8