6c7f6bb75732139fe757e1a41cc4f7eb816761a55e5d5755d2a77e47e2fb2718

Resubmissions

15-03-2021 17:21

210315-l5qfh7js4e 8

14-03-2021 20:15

210314-pb9z6184m6 8

Analysis

max time kernel
135s
max time network
129s
platform
windows10_x64
resource
win10v20201028
submitted
15-03-2021 17:21

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Report Analysis Logs

General

Target

EFS Order Specs.xls
Size

248KB
MD5

a92aceb7fdf1a577d8b8c9051b1865e5
SHA1

50bcc5fdc8172907854784e7b3e8f49ff8104850
SHA256

6c7f6bb75732139fe757e1a41cc4f7eb816761a55e5d5755d2a77e47e2fb2718
SHA512

71d49c97e1bbb120bcdde532789640dcb1faffd87f638188b83d32d7c36fa87cef8994cb553b9ff45634cc7462ca2ef35efabc6b9e5b7a6e9d7759871c37ce4c

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

4684 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	EXCEL.EXE
4684	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\EFS Order Specs.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4684-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-5-0x00007FFEEB2A0000-0x00007FFEEB8D7000-memory.dmp

Filesize
6.2MB

Download
memory/4684-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download