90dc0e3f13b9221e5b54c8f9ad764e407487dddd0fb0268d6ec0473847abdafe

Analysis

max time kernel
137s
max time network
144s
platform
windows10_x64
resource
win10v20201028
submitted
13-11-2020 16:40

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General

Target

document-1579755298.xlsb
Size

291KB
MD5

bd6f369b8a0038f0cefbbdfc8a812a08
SHA1

a35143cb121fdd5d06d1580c833067922bc45e19
SHA256

90dc0e3f13b9221e5b54c8f9ad764e407487dddd0fb0268d6ec0473847abdafe
SHA512

7a3f4e51303685e6e0cf6d1e5592a4c99e76a80a6f6a0ca13c04613d58c04e80fa6cce778c0e472f62de8465d4ea34155cf067badee86d4fbac3566cd17e3bc2

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 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

1028 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1028 EXCEL.EXE
1028 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	EXCEL.EXE
1028	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\document-1579755298.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1028

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/1028-0-0x00007FFC35440000-0x00007FFC35A77000-memory.dmp

Filesize
6.2MB

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