0b600d789063eb65be494a08d4e58a706d6b32529eeb2ba4fd26180d47e066ea

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2022 07:38

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General

Target

decrypted.xlsx
Size

89KB
MD5

a6fa45440200b2a37624287e34fc2216
SHA1

76591e8a0e0579c85146ccbe51069bd1900def0b
SHA256

64acfb82d43e2d5822112b4e345577a42c7de2bdb5b975c1c95a593d06fe7ba3
SHA512

c1e2f6c12cfb8090b52cdbe69aaf6f7c23435975ca45b8a2ed2d15b92e04b2d9e3bcde350a059233c14acbee974e3a027842ff78f9389635808561210e97376f

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

5000 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	EXCEL.EXE
5000	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5000

Network

MITRE ATT&CK Enterprise v6

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/5000-130-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-133-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-132-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-131-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-134-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-135-0x00007FFC484D0000-0x00007FFC484E0000-memory.dmp

Filesize
64KB

Download
memory/5000-136-0x00007FFC484D0000-0x00007FFC484E0000-memory.dmp

Filesize
64KB

Download
memory/5000-138-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-139-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-140-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/5000-141-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download