7961678070fe09abf8a2f4bc03982e545a7bbac72e49d4cb9664967088dde399

Analysis

max time kernel
125s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 20:58

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General

Target

decrypted.xlsx
Size

1.2MB
MD5

18a7bb3d37c45a34666724c2867040e4
SHA1

e951f6bb70da371d12ab4243753890c505a51352
SHA256

1f6cd4ecc565115edf64cfc3efabd3fa71e5517366620b13ed762639d231547e
SHA512

4dc3e6cbdfded55c047473780a5f9c0451c5f5b6c422485ddef4649c0a570b551941da5438c5b1dcb98f75c45978723ab1465707321e94e3f20cf0b3275d5bc0
SSDEEP

24576:GULKNTDtBXvdXXXXXXXXXXXXUXXXXXXXXXXXXXXXX9xdWk2PB+GZjEvi/sUePZy6:eTxBg+kqB+M4viEUKy6PKio+EOn7

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
2508	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	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:2508

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/2508-3-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-7-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-8-0x00007FFCCC840000-0x00007FFCCC850000-memory.dmp

Filesize
64KB

Download
memory/2508-11-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-10-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-14-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-17-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-18-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-19-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-21-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-22-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-20-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-16-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-15-0x00007FFCCC840000-0x00007FFCCC850000-memory.dmp

Filesize
64KB

Download
memory/2508-13-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-12-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-9-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-6-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-5-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-4-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-2-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-1-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-0-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-39-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-69-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-70-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-71-0x00007FFD0EB30000-0x00007FFD0ED25000-memory.dmp

Filesize
2.0MB

Download
memory/2508-68-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-67-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download
memory/2508-66-0x00007FFCCEBB0000-0x00007FFCCEBC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads