0da281e91106a7f95141812d67483d934280284904cd88c96b38ab9df28cf414

Analysis

max time kernel
99s
max time network
150s
platform
windows10_x64
resource
win10-en-20210920
submitted
18-10-2021 19:11

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General

Target

Invoice-7691665_20211013.xlsb
Size

210KB
MD5

a051a49d12b2a15687a70096f7f32c1d
SHA1

5c48fd16588cd9b9d101674073b966acd35485ba
SHA256

0da281e91106a7f95141812d67483d934280284904cd88c96b38ab9df28cf414
SHA512

0b4ed33fa3762d861f600d5dfa15beaa540a0034ff7d35b2149557b9a3d61cc42ff9e595d2702600d2524cd16a335afe4e4a24997d2b545bbf240d26180d1ed1

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

4076 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	EXCEL.EXE
4076	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\Invoice-7691665_20211013.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4076

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/4076-115-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4076-116-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4076-117-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4076-118-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download
memory/4076-120-0x0000020F36E10000-0x0000020F36E12000-memory.dmp

Filesize
8KB

Download
memory/4076-119-0x0000020F36E10000-0x0000020F36E12000-memory.dmp

Filesize
8KB

Download
memory/4076-121-0x0000020F36E10000-0x0000020F36E12000-memory.dmp

Filesize
8KB

Download
memory/4076-127-0x00007FFD98900000-0x00007FFD98910000-memory.dmp

Filesize
64KB

Download