b61136385a3a3f4f8b806b9d752f524238c2649fb9d19e550a05b74d0454b908

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 20:22

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General

Target

b61136385a3a3f4f8b806b9d752f524238c2649fb9d19e550a05b74d0454b908.xls
Size

142KB
MD5

a0fa54adb628ceae505b547c5182b039
SHA1

d616313c2333870a5519f2f56709b1322faf0403
SHA256

b61136385a3a3f4f8b806b9d752f524238c2649fb9d19e550a05b74d0454b908
SHA512

cf015aeb76e13df3549db86d13f6d4ad7762a8ceefe9e3538bbf1c2dc8b6222c9f4bebf75ccc9ec3aa2afcb2e635ce260557546d783402fed4103043f6689d19
SSDEEP

3072:kfKpbdrHYrMue8q7QPX+5xtekEdi8/dgA/c/mrWmngyYXnMJelsSKThsdskl4Wjy:8KpbdrHYrMue8q7QPX+5xtFEdi8/dgAL

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.greenvalleyschool.com/rand_images/1R9sqGnZOFKmQi/

xlm40.dropper

https://www.travellers-autobarnrv.com/new/m9E2A5lQQ2noHkMP/

xlm40.dropper

https://www.campusconindigital.org/moodle311/oWZgMvUttcPDFNn/

xlm40.dropper

https://www.destinocuenca.com/libraries/oHuqdP31/

xlm40.dropper

https://www.defsalabs.com/videos/i1Dde2yzrONF5Nmhs28j/

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

Processes:

EXCEL.EXE

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

2864 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2864 EXCEL.EXE
2864 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE
2864 EXCEL.EXE

pid	process
2864	EXCEL.EXE

pid	process
2864	EXCEL.EXE
2864	EXCEL.EXE

pid	process
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	EXCEL.EXE
2864	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\b61136385a3a3f4f8b806b9d752f524238c2649fb9d19e550a05b74d0454b908.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2864

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
2KB

MD5
72a9fa860f432c413fdd0edcf2ce3e13

SHA1
9e6c28d61a4e215d54e9e26af04d440e1d3411d9

SHA256
bde0f9e2c5be7ca29c04f3f451b417de8132e997f73e219b9f354b0c2a1a8631

SHA512
280dc16c871686e346171c568ffdeba9d61265ce5d650e8d815566889f970d748ed4aa596ba2630bd16297da3219313dd60c4660f78516627c5d367d195c2016

Download Submit
memory/2864-13-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

Filesize
64KB

Download
memory/2864-1-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2864-7-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-4-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2864-2-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2864-6-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-8-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-9-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-5-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2864-3-0x00007FFC54CB0000-0x00007FFC54CC0000-memory.dmp

Filesize
64KB

Download
memory/2864-11-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-12-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-10-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-14-0x00007FFC52B50000-0x00007FFC52B60000-memory.dmp

Filesize
64KB

Download
memory/2864-46-0x00007FFC94CCD000-0x00007FFC94CCE000-memory.dmp

Filesize
4KB

Download
memory/2864-47-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-48-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-49-0x00007FFC94C30000-0x00007FFC94E25000-memory.dmp

Filesize
2.0MB

Download
memory/2864-0-0x00007FFC94CCD000-0x00007FFC94CCE000-memory.dmp

Filesize
4KB

Download