4ef7f2a96112164a71c07fb9fe2c784eb21e0d51e6aa1a5118d3a6781d27fe7e

Analysis

max time kernel
236s
max time network
242s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 08:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7_202211790307252511.xls
Size

73KB
MD5

d8be49f5aba47292936a2cf6428e2229
SHA1

0271e4c7027acc0fe964c7080dace4c2aa1cdb0d
SHA256

4ef7f2a96112164a71c07fb9fe2c784eb21e0d51e6aa1a5118d3a6781d27fe7e
SHA512

596ac9225e539a13b3f55e26b00aac568822c4a2958584946901308df62f111b59cf0d2f410379b747fca31dc6d5db1ac13222fa35d24262718e510a686fdcd9
SSDEEP

1536:mblYkEIbSkKBEqEXPgsRZmbaoFhZhR0cixIHm0QS5iCGK97gdXaHVk8gASsacQui:mblYkEIuPm3fNRZmbaoFhZhR0cixIHmV

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2548 1384 WerFault.exe

pid	pid_target	process	target process
2548	1384	WerFault.exe

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 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

4716 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	EXCEL.EXE
4716	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\7_202211790307252511.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4716

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 424 -p 1384 -ip 1384
1⤵
PID:3780

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1384 -s 1732
1⤵
- Program crash
PID:2548

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

Loading Replay Monitor...

Downloads

memory/4716-132-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-133-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-134-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-135-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-136-0x00007FF7F2C90000-0x00007FF7F2CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-137-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/4716-138-0x00007FF7F0330000-0x00007FF7F0340000-memory.dmp

Filesize
64KB

Download
memory/4716-139-0x000001EE1DEE7000-0x000001EE1DEE9000-memory.dmp

Filesize
8KB

Download