34683184956ac22bf8dbc9d3b8cc77961029956ad83b94b10c7d25fc1382dcd8

Analysis

max time kernel
176s
max time network
179s
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

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General

Target

SecuriteInfo.com.XF.AShadow.1205.19070.1053.xls
Size

36KB
MD5

623320e71aeb5208d72fa2e0bd074f21
SHA1

edb0a1f429c923abb7eb9c7e254c74fcd31f2585
SHA256

34683184956ac22bf8dbc9d3b8cc77961029956ad83b94b10c7d25fc1382dcd8
SHA512

3cc1ed92086059e8d44e40691a6af7243c008872a42252fee1e81277714961e77f5147ef3409f1709d5e2d6ea5a24a95dd95b5039cd686d479b65f09e2c00882
SSDEEP

768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJsU2+PA5I0s5Y:Cok3hbdlylKsgqopeJBWhZFGkE+cL2Np

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	4772	1228	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\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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1228 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

1228 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

1228 EXCEL.EXE
1228 EXCEL.EXE
1228 EXCEL.EXE
1228 EXCEL.EXE
1228 EXCEL.EXE
1228 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	explorer.exe

pid	process
1228	EXCEL.EXE

pid	process
1228	EXCEL.EXE

pid	process
1228	EXCEL.EXE
1228	EXCEL.EXE
1228	EXCEL.EXE
1228	EXCEL.EXE
1228	EXCEL.EXE
1228	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 1228 wrote to memory of 4772	1228	EXCEL.EXE	explorer.exe
PID 1228 wrote to memory of 4772	1228	EXCEL.EXE	explorer.exe
PID 4992 wrote to memory of 3480	4992	explorer.exe	WScript.exe
PID 4992 wrote to memory of 3480	4992	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.1205.19070.1053.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:1228

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\E25.vbs
2⤵
- Process spawned unexpected child process
PID:4772

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4992

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\E25.vbs"
2⤵
PID:3480

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

C:\Users\Public\Documents\E25.vbs
Filesize
556B

MD5
2db4cd05fa4399593223676c4a1f970f

SHA1
37c91b1c577f93cf7f14e853621c46261f6d482c

SHA256
814e2a7ceef801fdbbd30a466df22f1cc288e4166b46add3439e95539e8a0536

SHA512
50842b78ce75c5cb945e91529236bf807165aa248d96a09b76b426502e07f1903d9c1fa937f630f2e8f81193a7e0b44a91088ac058fc839dd386e2bb68957ef3

Download Submit
memory/1228-133-0x00007FF972A90000-0x00007FF972AA0000-memory.dmp

Filesize
64KB

Download
memory/1228-135-0x00007FF972A90000-0x00007FF972AA0000-memory.dmp

Filesize
64KB

Download
memory/1228-134-0x00007FF972A90000-0x00007FF972AA0000-memory.dmp

Filesize
64KB

Download
memory/1228-136-0x00007FF972A90000-0x00007FF972AA0000-memory.dmp

Filesize
64KB

Download
memory/1228-137-0x00007FF972A90000-0x00007FF972AA0000-memory.dmp

Filesize
64KB

Download
memory/1228-138-0x00007FF970490000-0x00007FF9704A0000-memory.dmp

Filesize
64KB

Download
memory/1228-139-0x00007FF970490000-0x00007FF9704A0000-memory.dmp

Filesize
64KB

Download