10156668be598d9ce55279031221b901c0c5084cfb7d1c915f0094bbd4b5d9ec

Analysis

max time kernel
101s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
17-03-2023 12:37

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General

Target

10156668be598d9ce55279031221b901c0c5084cfb7d1c915f0094bbd4b5d9ec.xls
Size

183KB
MD5

b792c7ad94e2dd02df3cbe1b678eb875
SHA1

7bf6d421f153c72f5a93ea808d98c2b6bf01a6f9
SHA256

10156668be598d9ce55279031221b901c0c5084cfb7d1c915f0094bbd4b5d9ec
SHA512

50a6ead3bc2b5ae43c9529df363272a3fac4576206ce63930b260f8dd9c075eada6ace1ebc552994f455ed6555fffc0059183ede6cb9ddc40f950f4c290d3a8b
SSDEEP

3072:UfVfutgdLXa5BXoCSdSGReXPbW8ZDbVJ3aE/bpxEtjPOtioVjDGUU1qfDlaGGx+j:UfNLdLv4MeDW0HqENxEtjPOtioVjDGUl

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 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

Processes:

EXCEL.EXE

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

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{B2A7A559-C5AC-43DF-9F57-EBEF542395D3}\tkrktszdfjklxgklfgsdgfsd:Zone.Identifier	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2036 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2036 EXCEL.EXE
2036 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

2036 EXCEL.EXE
2036 EXCEL.EXE
2036 EXCEL.EXE
2036 EXCEL.EXE
2036 EXCEL.EXE
2036 EXCEL.EXE
2036 EXCEL.EXE
2036 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

pid	process
2036	EXCEL.EXE

pid	process
2036	EXCEL.EXE
2036	EXCEL.EXE

pid	process
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	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\10156668be598d9ce55279031221b901c0c5084cfb7d1c915f0094bbd4b5d9ec.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/2036-133-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-135-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-134-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-136-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-137-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-138-0x00007FF7F7FA0000-0x00007FF7F7FB0000-memory.dmp

Filesize
64KB

Download
memory/2036-139-0x00007FF7F7FA0000-0x00007FF7F7FB0000-memory.dmp

Filesize
64KB

Download
memory/2036-175-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-176-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-177-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download
memory/2036-178-0x00007FF7FA810000-0x00007FF7FA820000-memory.dmp

Filesize
64KB

Download