934ebca653ff2a2f5b8d56536e90f90f353bb18c761cc5ca82fb72efe7cd4d93

Resubmissions

11-04-2023 08:20

230411-j8k9wada3w 10

30-03-2023 23:34

230330-3ke8hafh37 10

Analysis

max time kernel
165s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 23:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SecuriteInfo.com.XF.AShadow.1205.5155.21550.xls
Size

36KB
MD5

754c2720bc293a551469a1119707d3b4
SHA1

355629dd7b1a25fc12264b530be5c456d30a9ef7
SHA256

934ebca653ff2a2f5b8d56536e90f90f353bb18c761cc5ca82fb72efe7cd4d93
SHA512

9451d651675a1a58fadebb45e6325d56eb619067153ab0cc777b29ab27b989cf886ccfdc084c7bbd1caf6646ab853c81006441b59127e7476dfe035cbf9f34dd
SSDEEP

768:xPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJxIE8cBImXmtG:5ok3hbdlylKsgqopeJBWhZFGkE+cL2NU

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	216	2068	explorer.exe	EXCEL.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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2068 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2068 EXCEL.EXE
2068 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE
2068	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 2068 wrote to memory of 216	2068	EXCEL.EXE	explorer.exe
PID 2068 wrote to memory of 216	2068	EXCEL.EXE	explorer.exe
PID 3852 wrote to memory of 1400	3852	explorer.exe	WScript.exe
PID 3852 wrote to memory of 1400	3852	explorer.exe	WScript.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\SecuriteInfo.com.XF.AShadow.1205.5155.21550.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\FemdEz5j.vbs
2⤵
- Process spawned unexpected child process
PID:216

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3852

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\FemdEz5j.vbs"
2⤵
PID:1400

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

C:\Users\Public\Documents\FemdEz5j.vbs
Filesize
564B

MD5
c7be9d5f4b616e6b25dab14ea14ccfb7

SHA1
4cc7069daff18177b68d682a81d5a88c1e175176

SHA256
bed87539d172108975c0ada99d73e97b259a2d523cb5e196dbf78c8573c2b6be

SHA512
46b050ffb74aa6a76f6024b76fa3bd4e18f8bb1d51779df9451fd999493c82b650cdcaf7e7e3802f3b8adcfdd4715e14078d3b0288de5745231e61597bf78bd6

Download Submit
memory/2068-133-0x00007FFD24B50000-0x00007FFD24B60000-memory.dmp

Filesize
64KB

Download
memory/2068-134-0x00007FFD24B50000-0x00007FFD24B60000-memory.dmp

Filesize
64KB

Download
memory/2068-135-0x00007FFD24B50000-0x00007FFD24B60000-memory.dmp

Filesize
64KB

Download
memory/2068-136-0x00007FFD24B50000-0x00007FFD24B60000-memory.dmp

Filesize
64KB

Download
memory/2068-137-0x00007FFD24B50000-0x00007FFD24B60000-memory.dmp

Filesize
64KB

Download
memory/2068-138-0x00007FFD22680000-0x00007FFD22690000-memory.dmp

Filesize
64KB

Download
memory/2068-139-0x00007FFD22680000-0x00007FFD22690000-memory.dmp

Filesize
64KB

Download