346566a4153a1a31a509ebec84a81e0b1659353771ef48801ae6b86afd895da3

Analysis

max time kernel
178s
max time network
191s
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.1205.10577.18568.xls
Size

36KB
MD5

cddadcb2f1e8be946577e547d4b2f511
SHA1

f9db1e42a3a3e35076a371de508136ed167f6ee1
SHA256

346566a4153a1a31a509ebec84a81e0b1659353771ef48801ae6b86afd895da3
SHA512

aab17efba200cc5c75b986f2b71a9750a4ba7b9ec32a0fd6492e50bd3de9abafe9699190733ab3730950132ae3e7c89ad84e5b7876b2aa6452537dee75ba26aa
SSDEEP

768:PPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJus2acPTost9H:nok3hbdlylKsgqopeJBWhZFGkE+cL2N3

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	4080	640	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

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

640 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
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 640 wrote to memory of 4080	640	EXCEL.EXE	explorer.exe
PID 640 wrote to memory of 4080	640	EXCEL.EXE	explorer.exe
PID 2488 wrote to memory of 2088	2488	explorer.exe	WScript.exe
PID 2488 wrote to memory of 2088	2488	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.1205.10577.18568.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\s5s3.vbs
2⤵
- Process spawned unexpected child process
PID:4080

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\s5s3.vbs"
2⤵
PID:2088

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\s5s3.vbs
Filesize
564B

MD5
45957a3f1ac1b22bc42012af6f1d11bf

SHA1
618222ccc88d61c756eddfc6a1d88672b019127e

SHA256
ac80007ca28abfcc71a99df59b91112a5bb8ebac84d124d0b84394e7a1f0db84

SHA512
a3737487c31d6c775a7673f3a9768439c8c5c6f299c1186c8995340b84a1a126cdc9552bfe7620995ba74f32547152488ec739e053ca435862a8022f47bee3e8

Download Submit
memory/640-133-0x00007FF89F510000-0x00007FF89F520000-memory.dmp

Filesize
64KB

Download
memory/640-135-0x00007FF89F510000-0x00007FF89F520000-memory.dmp

Filesize
64KB

Download
memory/640-134-0x00007FF89F510000-0x00007FF89F520000-memory.dmp

Filesize
64KB

Download
memory/640-136-0x00007FF89F510000-0x00007FF89F520000-memory.dmp

Filesize
64KB

Download
memory/640-137-0x00007FF89F510000-0x00007FF89F520000-memory.dmp

Filesize
64KB

Download
memory/640-138-0x00007FF89CBE0000-0x00007FF89CBF0000-memory.dmp

Filesize
64KB

Download
memory/640-139-0x00007FF89CBE0000-0x00007FF89CBF0000-memory.dmp

Filesize
64KB

Download