86d1c75bf83dcf853506623fd7c7bcd08e5a871a9efee0b472a65551d8d13304

Analysis

max time kernel
147s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 09:28

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General

Target

decrypted.xlsx
Size

583KB
MD5

819fa9bbd214effec31e7ee3e060cd36
SHA1

7bfb5d4ffd767bc58141a0fc75fc403c9de746d9
SHA256

14e84ec26421066444231207f0b412b3cf6aa1efdbeded80cd9cfe06ae89f9eb
SHA512

46870062994a086abb86b65f9e7d343114f41382be4f2bde1dd4218e3014c07e1f483c73becf53b32d4d03826fe5e7afafbb3599149e7244091b66d527f04c2b
SSDEEP

12288:B2jU1vyAtnucaEfAJoa+0zl/ZYTdwFu0OenxDzhCqwbRXbxZL:IjGbnlaEIJoa+D0Oe9knbnL

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

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

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

pid	Process
4548	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4548	EXCEL.EXE
4548	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	EXCEL.EXE
4548	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4548-0-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-1-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-2-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-3-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-4-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-5-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-6-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-7-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-8-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-9-0x00007FF89E900000-0x00007FF89E910000-memory.dmp

Filesize
64KB

Download
memory/4548-16-0x00007FF89E900000-0x00007FF89E910000-memory.dmp

Filesize
64KB

Download
memory/4548-20-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-26-0x0000020480AD0000-0x0000020480B01000-memory.dmp

Filesize
196KB

Download
memory/4548-62-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-63-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-64-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-65-0x00007FF8A0AF0000-0x00007FF8A0B00000-memory.dmp

Filesize
64KB

Download
memory/4548-66-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-67-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download
memory/4548-68-0x0000020480AD0000-0x0000020480B01000-memory.dmp

Filesize
196KB

Download
memory/4548-69-0x00007FF8E0A70000-0x00007FF8E0C65000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads