9633233c282a607fa77c682297792ee969551fecf2d1f8b4aef84d1c5727815f

Analysis

max time kernel
128s
max time network
131s
platform
windows10_x64
resource
win10-en-20211104
submitted
17-11-2021 14:33

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General

Target

44433.xlsx
Size

228KB
MD5

4b706efaed4510b2dd3666d5db7c031d
SHA1

685b71c0c0c322355631216d0bc1151a6907f107
SHA256

9633233c282a607fa77c682297792ee969551fecf2d1f8b4aef84d1c5727815f
SHA512

794baae84872ffa510995d8aa888ef658d2d002d6d638c4171d5159dcdcb94c634d4d6c406005d40bbd3b43a68585dd11fd7af1ad2a4e4d612ac7b354fecfbf0

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

2668 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	EXCEL.EXE
2668	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\44433.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2668

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/2668-118-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2668-119-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2668-120-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2668-121-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2668-122-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2668-123-0x000001CA30BB0000-0x000001CA30BB2000-memory.dmp

Filesize
8KB

Download
memory/2668-124-0x000001CA30BB0000-0x000001CA30BB2000-memory.dmp

Filesize
8KB

Download
memory/2668-125-0x000001CA30BB0000-0x000001CA30BB2000-memory.dmp

Filesize
8KB

Download