46561cf375b86ed86e06bc964e5a8faed7c5638dc1feaa7f7723ee985b7f4810

Analysis

max time kernel
119s
max time network
134s
platform
windows10_x64
resource
win10-en-20211014
submitted
20-10-2021 21:05

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General

Target

Invoice-17356799_20211013.xlsb
Size

178KB
MD5

f423f4b84a5510642943224a5fe656df
SHA1

65ed12cca2ef26d4971ed909e59960b731cd7799
SHA256

46561cf375b86ed86e06bc964e5a8faed7c5638dc1feaa7f7723ee985b7f4810
SHA512

aea4bf3cfdd9250c88d96969188a34553a5a8405650327091bb05fad65debd448a18eafb7cfda713bb07f6963c8338ddd90ce659f7a857df3f895c7f983d1bb0

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

1672 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	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-17356799_20211013.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1672

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/1672-115-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/1672-116-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/1672-117-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/1672-118-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/1672-119-0x00007FFEA4190000-0x00007FFEA41A0000-memory.dmp

Filesize
64KB

Download
memory/1672-120-0x000001D6DF770000-0x000001D6DF772000-memory.dmp

Filesize
8KB

Download
memory/1672-121-0x000001D6DF770000-0x000001D6DF772000-memory.dmp

Filesize
8KB

Download
memory/1672-122-0x000001D6DF770000-0x000001D6DF772000-memory.dmp

Filesize
8KB

Download