15460c555f9d0862da46f4975bba45e29781a18370500fdad57c11939e67c853

Analysis

max time kernel
200s
max time network
216s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:05

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General

Target

decrypted.xlsx
Size

1.2MB
MD5

a2026adeec6d915616be9b71717ea049
SHA1

eb8e56bfa357d61a70b0738e7dfd7b66caa7eb39
SHA256

4c40d9209d559dc817aa5ab07d61380bf65f2f470e248e07e03b1786faaf0747
SHA512

2974720d5430dea94963432bf41461ecdb6e24a45c1734851735818fd6944d66b9503e99196fad905e2cab4b234411f740349cbb66c544d4d467033b16caec92
SSDEEP

24576:55MXuKNTQa+XYewyOGGGnG0GGG7jpP7OGGGTU5dUGGGyltXBH1Yd7aWbxLIAr8JF:/MfTQa+IewyOGGGnG0GGG7jpP7OGGGTR

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
756	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
756	EXCEL.EXE
756	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	EXCEL.EXE
756	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:756

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/756-1-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-3-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-10-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-11-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-9-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-7-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-8-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-6-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-5-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-4-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-2-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-0-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-12-0x00007FF9AE490000-0x00007FF9AE4A0000-memory.dmp

Filesize
64KB

Download
memory/756-13-0x00007FF9AE490000-0x00007FF9AE4A0000-memory.dmp

Filesize
64KB

Download
memory/756-17-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-18-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-19-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-60-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-61-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-63-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-62-0x00007FF9B0A50000-0x00007FF9B0A60000-memory.dmp

Filesize
64KB

Download
memory/756-64-0x00007FF9F09D0000-0x00007FF9F0BC5000-memory.dmp

Filesize
2.0MB

Download
memory/756-65-0x00007FF9F09D0000-0x00007FF9F0BC5000-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