48acec301609bf1433b7becaef389a11b7b53ebfeaf75c2facaa208cbdad388f

Analysis

max time kernel
185s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:21

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General

Target

48acec301609bf1433b7becaef389a11b7b53ebfeaf75c2facaa208cbdad388f.xls
Size

36KB
MD5

9e147c591e54dc70394322903070e834
SHA1

24423ab4c9f27edc2b6f5118ab208005786e7c4a
SHA256

48acec301609bf1433b7becaef389a11b7b53ebfeaf75c2facaa208cbdad388f
SHA512

e332b3a14ce620af36b506d99e838483d64600e251caf35b852fe930766d5dbb5dc64fc3a2f6c2f9c7b1258ca2191c7c61ccda04549a38f4399eafacb15df9e2
SSDEEP

768:kPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJnfM3gh5c+D6/:Aok3hbdlylKsgqopeJBWhZFGkE+cL2NJ

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	5060	4980	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 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-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4980 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE
4980	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 4980 wrote to memory of 5060	4980	EXCEL.EXE	explorer.exe
PID 4980 wrote to memory of 5060	4980	EXCEL.EXE	explorer.exe
PID 4136 wrote to memory of 204	4136	explorer.exe	WScript.exe
PID 4136 wrote to memory of 204	4136	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\48acec301609bf1433b7becaef389a11b7b53ebfeaf75c2facaa208cbdad388f.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\hqHqY.vbs
2⤵
- Process spawned unexpected child process
PID:5060

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4136

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\hqHqY.vbs"
2⤵
PID:204

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\hqHqY.vbs
Filesize
571B

MD5
4d14b0709aa480083bb32f78c1bcd2ed

SHA1
0c787de016168d21d865aa73a6cc72fe27090d4f

SHA256
5ddd30dbb03db3323282f4fc76c74096bae62799408f1c0c39846e6ffd55e457

SHA512
435e790c66c580b9429ed9120208afefd1fc298819ce65cbcccbbe5fce7e1df2b04c882885d7f32c25c2e1aed345591fae8026e4db61e0aef248bf0d86fb9193

Download Submit
memory/204-141-0x0000000000000000-mapping.dmp

Download
memory/4980-132-0x00007FFA22010000-0x00007FFA22020000-memory.dmp

Filesize
64KB

Download
memory/4980-133-0x00007FFA22010000-0x00007FFA22020000-memory.dmp

Filesize
64KB

Download
memory/4980-134-0x00007FFA22010000-0x00007FFA22020000-memory.dmp

Filesize
64KB

Download
memory/4980-135-0x00007FFA22010000-0x00007FFA22020000-memory.dmp

Filesize
64KB

Download
memory/4980-136-0x00007FFA22010000-0x00007FFA22020000-memory.dmp

Filesize
64KB

Download
memory/4980-137-0x00007FFA1FBA0000-0x00007FFA1FBB0000-memory.dmp

Filesize
64KB

Download
memory/4980-138-0x00007FFA1FBA0000-0x00007FFA1FBB0000-memory.dmp

Filesize
64KB

Download
memory/5060-139-0x0000000000000000-mapping.dmp

Download