Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-09-2024 23:12
Behavioral task
behavioral1
Sample
d918e3e78a25986e395c1c2ac02fe322d3cdb887e6ace4ce0a9a4bfdad695410.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d918e3e78a25986e395c1c2ac02fe322d3cdb887e6ace4ce0a9a4bfdad695410.xls
Resource
win10v2004-20240802-en
General
-
Target
d918e3e78a25986e395c1c2ac02fe322d3cdb887e6ace4ce0a9a4bfdad695410.xls
-
Size
663KB
-
MD5
64ba951987cc51900db5f1f35d5e836d
-
SHA1
25efcd9c5e536c2223bd36714da20da29441880f
-
SHA256
d918e3e78a25986e395c1c2ac02fe322d3cdb887e6ace4ce0a9a4bfdad695410
-
SHA512
e92844700b8d67ca37c231c1117289af0771ec6a7c88b1f3f96fc9d43a3a578bcdb7e9e55fd88a483317d5482e4f755b1f7733aca373fba049fb2f2c412c3710
-
SSDEEP
12288:zfIQEkONm1fwD6C3BPFEWUVsj/pqviXDXK2L:z3NF1fw6iQipqvGVL
Malware Config
Extracted
Signatures
-
TA505
Cybercrime group active since 2015, responsible for families like Dridex and Locky.
-
Loads dropped DLL 1 IoCs
pid Process 3492 EXCEL.EXE -
Checks processor information in registry 2 TTPs 3 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 -
Enumerates system info in registry 2 TTPs 3 IoCs
description 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 -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\{64FA84BE-657D-48E2-BAAA-6F763DCFFDD8}\627A2645.tmp:Zone.Identifier EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3492 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3492 EXCEL.EXE 3492 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3492 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 27 IoCs
pid Process 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE 3492 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3492 wrote to memory of 5000 3492 EXCEL.EXE 85 PID 3492 wrote to memory of 5000 3492 EXCEL.EXE 85 -
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.
-
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d918e3e78a25986e395c1c2ac02fe322d3cdb887e6ace4ce0a9a4bfdad695410.xls"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5000
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
400KB
MD5c0b90c288e7f475b39fd1c5f1adcf9f8
SHA14a86715726cde17263805749fb3d91b5432be53c
SHA2568d9c350504278b7abd52446b42f0e883261f481ad04c5d78034f1e80c2848aea
SHA512dafbf63bdd9aab1878159493973ec2a303e3cd95ec04c2a1dfbcfac62f8ca3a490115c40a243effaf1b71a2299267e9197ea7675bdebc8e9e73ea5ea891c741e
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD509a9af016441c3095a0dc321e0615e7d
SHA19b96db48204409ecdcf22254fd22b27559c349ae
SHA25667d78422a59185f26acf7a39d62e0230e759f9e0ea7243e56d8a5144f9bf5913
SHA5124ac7a4eaedcf4638c19646dbe3a4fa9bdfd082ee90135e88224f980677c0ce6e09c037cc255c68861d5cb9643a0598ba0765aca2329c8a36dbb36fed0e9163b8
-
Filesize
229KB
MD56264d92d659888cf34dbb0c32f431754
SHA1ed6066021529d0839f4b6afba2188a35ff295d69
SHA25686a5c5ba4f2a63fa5b6ae1f6e6b57d52a44ee41bf1c9bacae55fe51ed9f1b080
SHA5127196bf23d966b0c8709b0ec9d5be692ce9cea3fdb0e185b2bea4c7b09d5effe142060618b0964ad48cb02022b0406e54d5641ae56d20fb16cd915b7d07a2e52d