7df23a21214587d4b70d4f9a14554315fe7a790d960c2b3c390b1ce6b42c965e

Analysis

max time kernel
125s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23-03-2023 13:02

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General

Target

1. Excel Electronic Supplier Notes Template.xls
Size

490KB
MD5

cf8abd25e8373932049162d911a02225
SHA1

bc2b77d82c9b263c33588be439c634d71cc82b38
SHA256

7df23a21214587d4b70d4f9a14554315fe7a790d960c2b3c390b1ce6b42c965e
SHA512

ded0933141b45ea3eca7abf02ad1257d8bc904202d5e201247a82512742aa3e4320626748e690848b2fdfbcfe5099ff4fa6ae9b308f8fc8df30b7429f4634b71
SSDEEP

12288:1yzsl5L83b5NAW9p1Yx1m9/1Xl/1fIaW15Oe1WKchqL:AYl5L8cW9p1Yx1m9/1Xl/1fIaW15Oe1r

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1092 4248 WerFault.exe

pid	pid_target	process	target process
1092	4248	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 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

2372 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	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\1. Excel Electronic Supplier Notes Template.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2372

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 472 -p 4248 -ip 4248
1⤵
PID:1932

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4248 -s 1760
1⤵
- Program crash
PID:1092

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/2372-133-0x00007FF90E8D0000-0x00007FF90E8E0000-memory.dmp

Filesize
64KB

Download
memory/2372-134-0x00007FF90E8D0000-0x00007FF90E8E0000-memory.dmp

Filesize
64KB

Download
memory/2372-135-0x00007FF90E8D0000-0x00007FF90E8E0000-memory.dmp

Filesize
64KB

Download
memory/2372-136-0x00007FF90E8D0000-0x00007FF90E8E0000-memory.dmp

Filesize
64KB

Download
memory/2372-137-0x00007FF90E8D0000-0x00007FF90E8E0000-memory.dmp

Filesize
64KB

Download
memory/2372-138-0x00007FF90C150000-0x00007FF90C160000-memory.dmp

Filesize
64KB

Download
memory/2372-139-0x00007FF90C150000-0x00007FF90C160000-memory.dmp

Filesize
64KB

Download