2343ad8cbaec4cfc723e45aff2d9bd2da9ad95f13c846a339f9ffa2ce0c58ec4

Analysis

max time kernel
169s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 04:41

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General

Target

decrypted.xlsx
Size

1.2MB
MD5

002f76930c02b4554ca43af80e622b23
SHA1

eba668dc88d0d0b5113921cbae967729bb550720
SHA256

68ff3540e0d1ba09c0d40e038987afe8ce0d246692756a0e96d3b585bb38b913
SHA512

f4721b882a213f7a5cecded8eb97c2bd89742a1be65fffee5e60dd28606c18089d45549e7298b14bbb574a9132eafc973e90363d6edffbd680bac2ea66a62de0
SSDEEP

24576:eMKNTDtsYvdXXXXXXXXXXXXUXXXXXXXXXXXXXXXX4sW2yljYAMU0vjCSGP3frlsk:YTxDz2ylj8jCbP3BsPWAenD

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
1496	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1496	EXCEL.EXE
1496	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	EXCEL.EXE
1496	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:1496

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/1496-0-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-1-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-2-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-3-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-6-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-5-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-4-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-9-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-8-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-7-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-10-0x00007FFA89E60000-0x00007FFA89E70000-memory.dmp

Filesize
64KB

Download
memory/1496-11-0x00007FFA89E60000-0x00007FFA89E70000-memory.dmp

Filesize
64KB

Download
memory/1496-26-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-57-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-59-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-58-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-60-0x00007FFACBE70000-0x00007FFACC065000-memory.dmp

Filesize
2.0MB

Download
memory/1496-56-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-55-0x00007FFA8BEF0000-0x00007FFA8BF00000-memory.dmp

Filesize
64KB

Download
memory/1496-61-0x00007FFACBE70000-0x00007FFACC065000-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