cc5b8184b5f785130a42a53b8600a5d12721f49ee6949d93e3a3722f98604135

Analysis

max time kernel
103s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2022 09:10

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General

Target

KOC BQ-2022-PROC-SI-68.xlsx
Size

110KB
MD5

21889c7c54d86bd8b3e376a8f23e068c
SHA1

433870de72541bf95aa33bdd8d03f7039a30e853
SHA256

cc5b8184b5f785130a42a53b8600a5d12721f49ee6949d93e3a3722f98604135
SHA512

9fc8f6f489a9b13e2fef8a52927d582e5088313a2d1ea35097ab40fea68b949c337bb26f08fac97b981896e7e45c72dc4fbf06d9d9b046c754a5c9a5d2551df9

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 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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4944 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	EXCEL.EXE
4944	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\KOC BQ-2022-PROC-SI-68.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4944

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/4944-130-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-132-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-131-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-133-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-134-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-135-0x00007FFAEE450000-0x00007FFAEE460000-memory.dmp

Filesize
64KB

Download
memory/4944-136-0x00007FFAEE450000-0x00007FFAEE460000-memory.dmp

Filesize
64KB

Download
memory/4944-138-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-139-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-140-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download
memory/4944-141-0x00007FFAF05B0000-0x00007FFAF05C0000-memory.dmp

Filesize
64KB

Download