3240a633ef29ef2db485bcdc394e9b09012e9f958a9933076a8aa70f7b0730e0

Analysis

max time kernel
100s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 01:01

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General

Target

469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b.xls
Size

933KB
MD5

19ec50c2819ed32422aac6d2e429fb86
SHA1

38bd74ea54373956224126d28552b6895cd1e1f7
SHA256

469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b
SHA512

dfd894a1eaeecf0174896fb638ae47ea32e494b7cda36899852becb7496479a3caad4501e12ce8b2ec5ad47f2b58f4db6af28a9392dd132e3c4368dd1336a2b1
SSDEEP

24576:eLKbSSMMednEu+MXU6akAmmjm7+MXUJ3GX222222222222222222222a22jieKI:eLKlMl+MXZaaow+MXpSeKIA

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

5040 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

5040 EXCEL.EXE
5040 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	EXCEL.EXE
5040	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\469310514686913b88c9480e8c84039e3866a339e0ed961371fb2d1a8719fb1b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:5040

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\36A42FA2.emf
Filesize
1.4MB

MD5
197d701be1df99b08087a2bfbf7e08bb

SHA1
d89b035a0c283d1c3c4af3cd443f9b67a25dd144

SHA256
812ac6359e77b09b88a96da0eebf1e29651798c7f2155489fe165209edbfc791

SHA512
10fccfb459011ece38efea1f91cbee41a4517b1954358220e05133f1ca024c0dbd9b188c54e6590f703b1f926ea39f5c51abc582bb6664719bbd5c715af954fb

Download Submit
memory/5040-133-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-134-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-135-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-136-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-137-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-138-0x00007FFE4F960000-0x00007FFE4F970000-memory.dmp

Filesize
64KB

Download
memory/5040-139-0x00007FFE4F960000-0x00007FFE4F970000-memory.dmp

Filesize
64KB

Download
memory/5040-176-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-177-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-178-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download
memory/5040-179-0x00007FFE52130000-0x00007FFE52140000-memory.dmp

Filesize
64KB

Download