1fffb6d674ab905c826b463a577703cf45799105f1fbce27f3613a43f7d7229e

Analysis

max time kernel
104s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:27

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General

Target

1fffb6d674ab905c826b463a577703cf45799105f1fbce27f3613a43f7d7229e.xls
Size

19KB
MD5

8635114d9779f390c7aaa005e344a93c
SHA1

3ca131d416fa1469c0c4b96897bb74aacd5e8c98
SHA256

1fffb6d674ab905c826b463a577703cf45799105f1fbce27f3613a43f7d7229e
SHA512

249b4c3c896a86d09f2d443cf806ba992ee5b3291e8432d7d90ffb0051710b481e86f648ab73f4aaa7140b1950d60aeaa6e64b855c573dadc55f22c91a6cb093
SSDEEP

384:nxxxEbTs+63xErNLjFgITMxVtwb8TxuYCvmlI0TRSIPklD6ppWhRpVmAI2iNQ7lF:nxxxEbTs+63xErNLjFgITMxVtwODAI2a

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4256 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	EXCEL.EXE
4256	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\1fffb6d674ab905c826b463a577703cf45799105f1fbce27f3613a43f7d7229e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4256

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/4256-132-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-133-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-134-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-135-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-136-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-137-0x00007FFFAA5D0000-0x00007FFFAA5E0000-memory.dmp

Filesize
64KB

Download
memory/4256-138-0x00007FFFAA5D0000-0x00007FFFAA5E0000-memory.dmp

Filesize
64KB

Download
memory/4256-142-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-143-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-141-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download
memory/4256-140-0x00007FFFACC30000-0x00007FFFACC40000-memory.dmp

Filesize
64KB

Download