dccbc6302f527a55848059cfbd9345e9697dfd9ce1a010b620c12a56db76e062

Analysis

max time kernel
154s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12-07-2022 14:35

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General

Target

decrypted.xlsx
Size

125KB
MD5

32de988dac33588f013a37a83521a265
SHA1

13f646dff9f54c52a535b03bf0a1ba803f9eadf8
SHA256

54e48efba5879846c7fece3d715d474532dc23fbe321b7d72d1c473c04a4fee8
SHA512

c9a718b9560336359fb483952d55c04ad583b257761994228e811912de7d1fa499c51794ed532a501004975545444204c4137800d04441a3843d8b5c8b7066fa

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3644 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	EXCEL.EXE
3644	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3644

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

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/3644-130-0x00007FFBA71B0000-0x00007FFBA71C0000-memory.dmp

Filesize
64KB

Download
memory/3644-132-0x00007FFBA71B0000-0x00007FFBA71C0000-memory.dmp

Filesize
64KB

Download
memory/3644-131-0x00007FFBA71B0000-0x00007FFBA71C0000-memory.dmp

Filesize
64KB

Download
memory/3644-133-0x00007FFBA71B0000-0x00007FFBA71C0000-memory.dmp

Filesize
64KB

Download
memory/3644-134-0x00007FFBA71B0000-0x00007FFBA71C0000-memory.dmp

Filesize
64KB

Download
memory/3644-135-0x00007FFBA5150000-0x00007FFBA5160000-memory.dmp

Filesize
64KB

Download
memory/3644-136-0x00007FFBA5150000-0x00007FFBA5160000-memory.dmp

Filesize
64KB

Download