50bb137dc5dc91ece4a31d01787c0db3361853f2e7b559ff731c05d102bec0ca

Analysis

max time kernel
101s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 11:22

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General

Target

Users/Public/4123.xlsb
Size

64KB
MD5

c87e1dee1275fed1f7ee813b97ccb17b
SHA1

e8313978e3c0dff6355b843cd470949c719032c6
SHA256

92bb3324b68e8780d718ed808cb9633dc1ef1f7988d2b85cc0f9f431ed63a63d
SHA512

2d2177413ed0767651789363c2b952ff8fba26de6ebb84a6390af6bc87927577bedf08b802f5bd6e937e7462bddbd707100108ccf6ef4f39ded65bdcb8b40f35
SSDEEP

768:Kd81NhZWv6hY64cvRPFE4lHH+noDBF6ZSI242gfQNi:C811WvZ8RiKewBUZPlfsi

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

1956 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE
1956 EXCEL.EXE

pid	process
1956	EXCEL.EXE

pid	process
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	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\Users\Public\4123.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1956-0-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-2-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-3-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-4-0x00007FFAFF12D000-0x00007FFAFF12E000-memory.dmp

Filesize
4KB

Download
memory/1956-5-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-1-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-6-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-9-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-8-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-7-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-11-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-10-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-12-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-13-0x00007FFABCC90000-0x00007FFABCCA0000-memory.dmp

Filesize
64KB

Download
memory/1956-14-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-17-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-16-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-15-0x00007FFABCC90000-0x00007FFABCCA0000-memory.dmp

Filesize
64KB

Download
memory/1956-18-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-19-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-33-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download
memory/1956-47-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-49-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-50-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-48-0x00007FFABF110000-0x00007FFABF120000-memory.dmp

Filesize
64KB

Download
memory/1956-51-0x00007FFAFF090000-0x00007FFAFF285000-memory.dmp

Filesize
2.0MB

Download