306550b64c28d1c5d000ed71002ded5dcd3a6d906b3c6ecd73e2030112d2f6ab

Analysis

max time kernel
150s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 18:23

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General

Target

西环岛绿道工程一标段/西环岛“绿道”工程一标段.xls
Size

178KB
MD5

d6fe41c2276a694eae9ee561cfab4291
SHA1

d5fc8d57e9f5f936d515f262e6be22f5ca331954
SHA256

b693e0fe18e10f54b939e0164502bd90c088971e053402561fe414c939ce2a3e
SHA512

d98243cf56f7178436c4e38a930e10b43557b1f082f91b0f92b4169b1858ace54a32082079c7161263aa1a9d54d574e864ae330ad7258d453b26b05155eaf8ca
SSDEEP

1536:ZRRRipU78syj1nKNUzpLz9f1K+tItTM1dw9IngUX+1dEenSA/vZ1Eo4MyFP/qsmC:Exn+UzpLz9fEc6IngUXiGBPi+ntU5Q

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

1272 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	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\西环岛绿道工程一标段\西环岛“绿道”工程一标段.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1272

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/1272-132-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/1272-133-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/1272-134-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/1272-135-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/1272-136-0x00007FFD7C090000-0x00007FFD7C0A0000-memory.dmp

Filesize
64KB

Download
memory/1272-137-0x00007FFD79940000-0x00007FFD79950000-memory.dmp

Filesize
64KB

Download
memory/1272-138-0x00007FFD79940000-0x00007FFD79950000-memory.dmp

Filesize
64KB

Download