27d5342d287598dc00361e27aaaa435658ecdbba5946fa1f57676e19c1bd5b51

Analysis

max time kernel
134s
max time network
134s
platform
windows10_x64
resource
win10-en-20211208
submitted
18-01-2022 09:36

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General

Target

27d5342d287598dc00361e27aaaa435658ecdbba5946fa1f57676e19c1bd5b51.xlsm
Size

99KB
MD5

b9d75dd60fad1aff6ae93665148b9d73
SHA1

eea4727bbd0360cb18b36361977ddc4ece270f06
SHA256

27d5342d287598dc00361e27aaaa435658ecdbba5946fa1f57676e19c1bd5b51
SHA512

ecf45e5513adb528f15cfe709536964878bbb2d643e2dfce428358819cdcf335ed7955d5eee89b8784ab9de5b8ae681d4a025cc38a6f616dc0922d4bd6ede9b6

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://avionxpress.com/lp/T9b1Bga4FdDfP5HI/

xlm40.dropper

http://news.tapchivietkieu.info/wordpress/CJzFM/

xlm40.dropper

http://monosun.net/wp-includes/JcDnYBSKpyfU/

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

3124 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE
3124 EXCEL.EXE

pid	process
3124	EXCEL.EXE

pid	process
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	EXCEL.EXE
3124	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\27d5342d287598dc00361e27aaaa435658ecdbba5946fa1f57676e19c1bd5b51.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3124

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/3124-115-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download
memory/3124-116-0x00007FFD72FE0000-0x00007FFD72FF0000-memory.dmp

Filesize
64KB

Download