3342b0a18be89977895326bdb51efaad6ad82a4ca8dbf420300debec0824f607

Analysis

max time kernel
133s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20250313-en
resource tags

arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
submitted
15/03/2025, 20:55

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General

Target

$TEMP/Bc.xll
Size

61KB
MD5

6ed41054372d0bb368d955d6a070a803
SHA1

f1a9621dbd245cabb08f3f4296569436a9474ac3
SHA256

598d42a7c5a106153b7ac405d6f2ad84724e1d135759b46d02bab971cf08f5b2
SHA512

e86e97f3c095acc6bbca870d0799e543e4d95fa9de9b26af9a9be47df06dc12c0d77f0e223a0068e191a2527bad804eb84e16a73763628befe7765b04f360903
SSDEEP

1536:5MDSgi+kgjTWLS7pTt+HdyWGtZMvIJpcdrgL6xg5AB7Clqk:5MDrkkWm1GGt6g2rgkJAAk

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3256	EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE
3256	EXCEL.EXE

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\Bc.xll"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
074d6893d19be4e536f4f89068141f22

SHA1
fbb976fc9ee665e85e6fdbb524bb32859df65f1e

SHA256
d8dbbc3e77b2d6ad8f64c479345f9a4761f3c22a01de7600725f4edff25623d4

SHA512
b05df5972f6e6faa0dd7aa74f9c606bfddc33cc3942f16d0fecae593ca05fadc517a388bd8ae9dd199b864e4fe7ac852170e24c8854d02d93899945ae9de447b

Download Submit
memory/3256-15-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-24-0x00007FFD6D703000-0x00007FFD6D704000-memory.dmp

Filesize
4KB

Download
memory/3256-4-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-6-0x00007FFD2D6F0000-0x00007FFD2D700000-memory.dmp

Filesize
64KB

Download
memory/3256-5-0x00007FFD2D6F0000-0x00007FFD2D700000-memory.dmp

Filesize
64KB

Download
memory/3256-2-0x00007FFD2D6F0000-0x00007FFD2D700000-memory.dmp

Filesize
64KB

Download
memory/3256-9-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-12-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-11-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-10-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-14-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-0-0x00007FFD6D703000-0x00007FFD6D704000-memory.dmp

Filesize
4KB

Download
memory/3256-3-0x00007FFD2D6F0000-0x00007FFD2D700000-memory.dmp

Filesize
64KB

Download
memory/3256-13-0x00007FFD2AB50000-0x00007FFD2AB60000-memory.dmp

Filesize
64KB

Download
memory/3256-19-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-17-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-20-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-21-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-8-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-18-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-7-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-23-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-16-0x00007FFD2AB50000-0x00007FFD2AB60000-memory.dmp

Filesize
64KB

Download
memory/3256-25-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-26-0x00007FFD6D660000-0x00007FFD6D869000-memory.dmp

Filesize
2.0MB

Download
memory/3256-1-0x00007FFD2D6F0000-0x00007FFD2D700000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads