3daf01eebe957c2b6f087b806d24f03f4ed657d503d61eb17f1b14181fb5a8e2

Analysis

max time kernel
258s
max time network
325s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2023 23:34

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General

Target

SecuriteInfo.com.XF.AShadow.1000.1879.868.xls
Size

36KB
MD5

7a4e8836948c50644f6d4da1e4f0ebd6
SHA1

f68ff24be79b0f5b9f24c15bc65d6ce2149dd5fa
SHA256

3daf01eebe957c2b6f087b806d24f03f4ed657d503d61eb17f1b14181fb5a8e2
SHA512

2e1604834f36637f877cd1ad179caa63765892be15ae7b2f50bb02a38771bb909720f42c0210b04bb42e375fc2f906f613fe6b389cefb29022a11e1bf1cd7fcd
SSDEEP

768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJZip9z9gmhoXgk61Z/95:Cok3hbdlylKsgqopeJBWhZFGkE+cL2Nd

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	4728	3564	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3564 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3564 EXCEL.EXE
3564 EXCEL.EXE
3564 EXCEL.EXE
3564 EXCEL.EXE
3564 EXCEL.EXE
3564 EXCEL.EXE

pid	process
3564	EXCEL.EXE

pid	process
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3564 wrote to memory of 4728	3564	EXCEL.EXE	explorer.exe
PID 3564 wrote to memory of 4728	3564	EXCEL.EXE	explorer.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.1000.1879.868.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3564

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\pQ7lxoW.vbs
2⤵
- Process spawned unexpected child process
PID:4728

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
PID:4008

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/3564-133-0x00007FFF6F770000-0x00007FFF6F780000-memory.dmp

Filesize
64KB

Download
memory/3564-134-0x00007FFF6F770000-0x00007FFF6F780000-memory.dmp

Filesize
64KB

Download
memory/3564-135-0x00007FFF6F770000-0x00007FFF6F780000-memory.dmp

Filesize
64KB

Download
memory/3564-136-0x00007FFF6F770000-0x00007FFF6F780000-memory.dmp

Filesize
64KB

Download
memory/3564-137-0x00007FFF6F770000-0x00007FFF6F780000-memory.dmp

Filesize
64KB

Download
memory/3564-138-0x00007FFF6D190000-0x00007FFF6D1A0000-memory.dmp

Filesize
64KB

Download
memory/3564-140-0x00007FFF6D190000-0x00007FFF6D1A0000-memory.dmp

Filesize
64KB

Download