171e2a8ddd6343da0d56fe517a73a592392455c059099b606a9dd9a1ca117cfe

Analysis

max time kernel
123s
max time network
127s
platform
windows10_x64
resource
win10-en-20211104
submitted
07-12-2021 12:59

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General

Target

PO-13917890546653455345200915.xlsx
Size

1.9MB
MD5

7573d903073b3ca3d2bb0487b14afa17
SHA1

c24454df6e45a6789f512b4fd2df4631185b13b3
SHA256

171e2a8ddd6343da0d56fe517a73a592392455c059099b606a9dd9a1ca117cfe
SHA512

6aba3701aaced0b4a0fe6401b73e9d81705854af15b36e39c05775f7ca46fae16d2ede72958c3ba726c2c5a11f11547b9671846335d0110e22c53ffa10df430f

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

2676 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2676 EXCEL.EXE
2676 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	EXCEL.EXE
2676	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\PO-13917890546653455345200915.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2676

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/2676-118-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2676-119-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2676-120-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2676-121-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2676-122-0x00007FFEE0A60000-0x00007FFEE0A70000-memory.dmp

Filesize
64KB

Download
memory/2676-124-0x0000020E842A0000-0x0000020E842A2000-memory.dmp

Filesize
8KB

Download
memory/2676-123-0x0000020E842A0000-0x0000020E842A2000-memory.dmp

Filesize
8KB

Download
memory/2676-125-0x0000020E842A0000-0x0000020E842A2000-memory.dmp

Filesize
8KB

Download