20f79144ae40eeda47760ce798f28c98c93211f2ecc38e8a626760848bb9f3a1

Analysis

max time kernel
119s
max time network
139s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 18:00

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General

Target

Specifications.xlsx
Size

369KB
MD5

9abd666a51d09d4a0cb9d052f3195c06
SHA1

89582118e5ef2d9323952f73c68280e4758c4022
SHA256

20f79144ae40eeda47760ce798f28c98c93211f2ecc38e8a626760848bb9f3a1
SHA512

5a3cde307f726f81962aecddd7c372501ba7752501721f276241e50021ccccf3ecdb831d84ca578ed69adc6fde156f144739f4bbbc80b8b4ffd7d163c14db0af

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3148 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	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\Specifications.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3148

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/3148-115-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/3148-116-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/3148-117-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/3148-118-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/3148-119-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/3148-120-0x0000019C374F0000-0x0000019C374F2000-memory.dmp

Filesize
8KB

Download
memory/3148-121-0x0000019C374F0000-0x0000019C374F2000-memory.dmp

Filesize
8KB

Download
memory/3148-122-0x0000019C374F0000-0x0000019C374F2000-memory.dmp

Filesize
8KB

Download
memory/3148-128-0x00007FFEA0840000-0x00007FFEA0850000-memory.dmp

Filesize
64KB

Download
memory/3148-129-0x00007FFEA0840000-0x00007FFEA0850000-memory.dmp

Filesize
64KB

Download