9b4e3fa257eda8be15a340b57b2d6577dcf71ffd42d8187a719cb68bddd25004

Analysis

max time kernel
34s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 01:17

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General

Target

66939cad8ad6ea772c4f93509fb43a63635024fcaf22605af3f6016a9bbc429b.xlam
Size

700KB
MD5

f8798b71a4fbd1465cdff6564bae7ee8
SHA1

fafb4ef1565a1b70c7b716924815ef4ca24c2892
SHA256

66939cad8ad6ea772c4f93509fb43a63635024fcaf22605af3f6016a9bbc429b
SHA512

3585de2a710028297c41cc0de204466bbed4434eecb2293247a0f5d3327ee0a87d3f38c54d6530a71a7a6dc6634f7153fd3a03584f6b54f68b4f8e7602e85c9d
SSDEEP

12288:QjxdXgLho7M8ONl4/pUPhVa45JM3hdh4pxrlIrN4Y8guHHH8aVzVtuIHzdA0bH1:kxJgV8XRUZVxkdgBqrN854IHOA

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

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4504 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4504 EXCEL.EXE
4504 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4504 EXCEL.EXE
4504 EXCEL.EXE
4504 EXCEL.EXE
4504 EXCEL.EXE
4504 EXCEL.EXE
4504 EXCEL.EXE
4504 EXCEL.EXE
4504 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

pid	process
4504	EXCEL.EXE

pid	process
4504	EXCEL.EXE
4504	EXCEL.EXE

pid	process
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE
4504	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\66939cad8ad6ea772c4f93509fb43a63635024fcaf22605af3f6016a9bbc429b.xlam"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4504

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4504-0-0x00007FF859670000-0x00007FF859680000-memory.dmp

Filesize
64KB

Download
memory/4504-2-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-1-0x00007FF859670000-0x00007FF859680000-memory.dmp

Filesize
64KB

Download
memory/4504-3-0x00007FF859670000-0x00007FF859680000-memory.dmp

Filesize
64KB

Download
memory/4504-4-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-5-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-6-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-8-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-9-0x00007FF859670000-0x00007FF859680000-memory.dmp

Filesize
64KB

Download
memory/4504-7-0x00007FF859670000-0x00007FF859680000-memory.dmp

Filesize
64KB

Download
memory/4504-10-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-11-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-12-0x00007FF856DB0000-0x00007FF856DC0000-memory.dmp

Filesize
64KB

Download
memory/4504-13-0x00007FF856DB0000-0x00007FF856DC0000-memory.dmp

Filesize
64KB

Download
memory/4504-23-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-24-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download
memory/4504-25-0x00007FF8995F0000-0x00007FF8997E5000-memory.dmp

Filesize
2.0MB

Download