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Overview
overview
10Static
static
3Bootstrapper.exe
windows11-21h2-x64
10$TEMP/Bc.xll
windows11-21h2-x64
1$TEMP/Fat.xll
windows11-21h2-x64
1$TEMP/Maternity.xll
windows11-21h2-x64
1$TEMP/Pairs.xll
windows11-21h2-x64
1$TEMP/Picking.xll
windows11-21h2-x64
1FilenameDe...er.xll
windows11-21h2-x64
1FilenameDe...er.xll
windows11-21h2-x64
1FilenameDe...st.xll
windows11-21h2-x64
1FilenameDe...ce.xll
windows11-21h2-x64
1FilenameDe...sk.xll
windows11-21h2-x64
1FilenameDe...ee.xll
windows11-21h2-x64
1Analysis
-
max time kernel
133s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20250314-en -
resource tags
arch:x64arch:x86image:win11-20250314-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/03/2025, 20:55
Static task
static1
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win11-20250314-en
Behavioral task
behavioral2
Sample
$TEMP/Bc.xll
Resource
win11-20250313-en
Behavioral task
behavioral3
Sample
$TEMP/Fat.xll
Resource
win11-20250314-en
Behavioral task
behavioral4
Sample
$TEMP/Maternity.xll
Resource
win11-20250313-en
Behavioral task
behavioral5
Sample
$TEMP/Pairs.xll
Resource
win11-20250313-en
Behavioral task
behavioral6
Sample
$TEMP/Picking.xll
Resource
win11-20250314-en
Behavioral task
behavioral7
Sample
FilenameDesirable/Gather.xll
Resource
win11-20250313-en
Behavioral task
behavioral8
Sample
FilenameDesirable/Greater.xll
Resource
win11-20250313-en
Behavioral task
behavioral9
Sample
FilenameDesirable/Harvest.xll
Resource
win11-20250313-en
Behavioral task
behavioral10
Sample
FilenameDesirable/Hence.xll
Resource
win11-20250313-en
Behavioral task
behavioral11
Sample
FilenameDesirable/Mask.xll
Resource
win11-20250313-en
Behavioral task
behavioral12
Sample
FilenameDesirable/Subcommittee.xll
Resource
win11-20250314-en
General
-
Target
$TEMP/Fat.xll
-
Size
74KB
-
MD5
db0a553f0830dd13ea00d489d75a59cf
-
SHA1
3be047bba4f4f6252b91879afb8eb1448e985463
-
SHA256
9c99a9c5c17fe4a33b81b5118baaad232397d87516f15718b73d028c34f29afb
-
SHA512
487f16c427fcc7aa13a058dd401cc845bf07a5a92de3fb49edf62a4be8279edf80ffa14465dbcbd5fd2fb76674c193995d9afb992ff9b4cd24ca7ba78502a066
-
SSDEEP
1536:WR8MBTGoQfK+IgWzibcHyWMwhH49hjnv9ZPJ72VtsZBFBjcsMwlliA:WfQy+I1ebsyWhC9hjlb72z4Bw+lz
Malware Config
Signatures
-
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 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 EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2216 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE 2216 EXCEL.EXE
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\$TEMP\Fat.xll"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2216