1996741af1a85dacb7bf48a95b7d87cac963c97ad573ba54c06fc4ad0c08ae94

Analysis

max time kernel
101s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 21:52

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General

Target

decrypted.xlsx
Size

1.2MB
MD5

f98f506d3d1ce78e9c7bf724bc0b78b4
SHA1

6127c115546a8feef02533bd81c716573b682d61
SHA256

b8a09ddff40e1905e4af3fc5c7a43240ad47f6ff64e7537e740fca5822a51fa2
SHA512

09b65ba230f4cb4f788c2e19bb98244103e4429717a348a813c94147098398b028e60b8fc384b925ff2f37f066edb7b2ac4327ded776affd94517afb763d60f0
SSDEEP

24576:V3GG/nA9a8qCfC7nYYLfcGRXezh6euFJX8mY+nbyF:EonAHCj/LEGx8weunRny

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
772	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	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 SetWindowsHookEx
PID:772

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/772-0-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-2-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-1-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-4-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-3-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-5-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-6-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-7-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-8-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-9-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-10-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-11-0x00007FF8E4540000-0x00007FF8E4550000-memory.dmp

Filesize
64KB

Download
memory/772-12-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-13-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-14-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-15-0x00007FF8E4540000-0x00007FF8E4550000-memory.dmp

Filesize
64KB

Download
memory/772-16-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-17-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-18-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-32-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-33-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-62-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-63-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-64-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-65-0x00007FF8E65D0000-0x00007FF8E65E0000-memory.dmp

Filesize
64KB

Download
memory/772-67-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-68-0x00007FF926550000-0x00007FF926745000-memory.dmp

Filesize
2.0MB

Download
memory/772-66-0x00007FF926550000-0x00007FF926745000-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