6d544e1b25b2081b2c9f895d5045085820ba2087bed05f20c2c59cfbc44bea02

Analysis

max time kernel
103s
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
03-03-2023 09:30

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General

Target

SW_030323.xlsx
Size

861KB
MD5

e43e70829f350e566468a8d7b158ecca
SHA1

57a4e905a83e715a69e107dcc63f5bf8a606f9eb
SHA256

6d544e1b25b2081b2c9f895d5045085820ba2087bed05f20c2c59cfbc44bea02
SHA512

e765eaaf83eb79afa29158f98dd636c39d789f31cd8648754adf32d18a9dd31a4a1eedd68227e84480a8309f5008047f251ccab5a275e8ffab652ba7faa8f443
SSDEEP

24576:qhBFwctvyY1KgmwJR4AHCtsDrqdVHpYx/LFOmOaWSGx9:qhBFF0Y0HwMttYGrexXWS2

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 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

4192 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4192 EXCEL.EXE
4192 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE
4192	EXCEL.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SW_030323.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4192

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/4192-133-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-134-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-135-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-136-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-137-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-138-0x00007FF85B190000-0x00007FF85B1A0000-memory.dmp

Filesize
64KB

Download
memory/4192-139-0x00007FF85B190000-0x00007FF85B1A0000-memory.dmp

Filesize
64KB

Download
memory/4192-159-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-160-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-161-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download
memory/4192-162-0x00007FF85D670000-0x00007FF85D680000-memory.dmp

Filesize
64KB

Download