4f86706094fda2128d60a6021e2f4f0268793c1d2deeb9f23e608b06b0e9179f

Analysis

max time kernel
171s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:26

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General

Target

Ҵֱ20%ϵ//K4ؿܰ1�.xls
Size

111KB
MD5

4b41aae35ded32d4d6d51d6e605dfc98
SHA1

79ed0a0170385a7ef2900ffe35480125f940af2d
SHA256

9478880bbf734b7c53d3a7809deb629b766afecf812f89c0504581154811d8da
SHA512

db89acd0ceec05a2dd65b26c897b8629a7568b08ecdf6e720ac2f8df007e6414ba880c37b12959caf1dead666300ff701ba545b02651ff8a36a70603efd1cd31
SSDEEP

1536:bvvvqei5iecV9+iFU8j1VvaTbiGw2/v9zri5vqgiecV9+5FU8j1Vv39zr5k+K6TS:0+K2c5O/Nektwua870MqLiS

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 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 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

1268 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	EXCEL.EXE
1268	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\Ҵֱ20%ϵ\\K4ؿܰ1�.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1268

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/1268-132-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-133-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-134-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-135-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-136-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-137-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/1268-138-0x00007FFD656B0000-0x00007FFD656C0000-memory.dmp

Filesize
64KB

Download
memory/1268-140-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-141-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-142-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download
memory/1268-143-0x00007FFD677B0000-0x00007FFD677C0000-memory.dmp

Filesize
64KB

Download