f528f31a2b49ac4ae44140a0e2d4cc44f857b5ee939da6778bbf0d055f3d3699

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24-03-2023 09:41

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General

Target

e-Ticket 확인증_95292914.xls
Size

161KB
MD5

7928e36c8a45f98d5adf2016740b77eb
SHA1

ba2ba74fc339f2bb9232b89c57ddd2b7ac597dfb
SHA256

6a30c5ac83594b05a5cf418850afb4ae088f58517319cd8f70ef348bf7934708
SHA512

7fe2f98df87baaa89dae47ac663f59df507898fced550c1ea3306cb712843a14fb25774726ead5fa0d00ab4611763e26de2d0710032b9f11c3260aaf198d3521
SSDEEP

3072:gdvxHlcaAy0iWYOcG4BDhnxDV8ixGKpb8rGYrMPelwhKmFV5xtezEsg8/dgTVb8O:gdvxHlcaAy0iWYOcG4BDhnxDV8ixGKpL

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1432 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	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\e-Ticket 확인증_95292914.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1432

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/1432-133-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-134-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-135-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-136-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-137-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-138-0x00007FFA3BD50000-0x00007FFA3BD60000-memory.dmp

Filesize
64KB

Download
memory/1432-139-0x00007FFA3BD50000-0x00007FFA3BD60000-memory.dmp

Filesize
64KB

Download
memory/1432-191-0x000001427BD50000-0x000001427BF50000-memory.dmp

Filesize
2.0MB

Download
memory/1432-206-0x000001427BD50000-0x000001427BF50000-memory.dmp

Filesize
2.0MB

Download
memory/1432-217-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-218-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-219-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download
memory/1432-220-0x00007FFA3E110000-0x00007FFA3E120000-memory.dmp

Filesize
64KB

Download