8f99cab09eb9674d602d903701978b39bbe6bf9eb123a358837b44e4076a5e86

Analysis

max time kernel
103s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
16-04-2022 05:44

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General

Target

?i=1xxtblrwv.xlsm
Size

84KB
MD5

92fcad2ae760b160b5a7d239afa4cc49
SHA1

ff853bd7c88b967f39ac30c5146070562aecdc2c
SHA256

8f99cab09eb9674d602d903701978b39bbe6bf9eb123a358837b44e4076a5e86
SHA512

da562099ce4ab8e0956312730c997ce84254b21c77ed19c0112783f3ab6f55ab1ee2a7fb3345e36bded663c6ef080b0cf281f13ed954c818136832ff03ad26ae

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://insertcatherreview.xyz/wp-includes/o23k5ted/

xlm40.dropper

https://mewb.org/wp-admin/2fcpQyzanzkiO1/

xlm40.dropper

http://easybuy22.xyz/wp-includes/css/zdFH32O6JV6lk3/

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

4680 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE
4680 EXCEL.EXE

pid	process
4680	EXCEL.EXE

pid	process
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	EXCEL.EXE
4680	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\_i=1xxtblrwv.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4680

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/4680-130-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-131-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-132-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-133-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-134-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-135-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download
memory/4680-136-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download
memory/4680-138-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-139-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-140-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4680-141-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download