0e1891c3dde71482b12b39b582203b5007d24835f932be81d8c89750f5a74790

Analysis

max time kernel
103s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
29-05-2022 15:17

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General

Target

Excel/PO/Invoice.xlsx
Size

23KB
MD5

06c72045e38a67aed7f4ab2e1421f85e
SHA1

81bac97cec964c06907ea814ce798a3787c897b1
SHA256

bc60d7c7e95e4ad47d189b8ac2b537ab35ac4cee605d1e7af8c4a9565b9d4c78
SHA512

a74ccc737f228d8bc56026ba2ffc44e06a060c88adffbe58ab026b0088dce2dc91d7c1de38d303a53b286e36e3f6d43b3808b015defa685410c17a4ee5a81d70

Score

1^/10

Malware Config

Signatures

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3780 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.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\Excel\PO\Invoice.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3780

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/3780-130-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-131-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-132-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-133-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-134-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-135-0x00007FFC28140000-0x00007FFC28150000-memory.dmp

Filesize
64KB

Download
memory/3780-136-0x00007FFC28140000-0x00007FFC28150000-memory.dmp

Filesize
64KB

Download
memory/3780-138-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-139-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-140-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/3780-141-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download