1db259b0063d26f9af684e7246d336250e289514a4e900eab1337ee9981a866b

Analysis

max time kernel
134s
max time network
138s
platform
windows10_x64
resource
win10-en-20211208
submitted
11-01-2022 21:02

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General

Target

1db259b0063d26f9af684e7246d336250e289514a4e900eab1337ee9981a866b.xls
Size

113KB
MD5

1db77f0d16e44a513d941c17e895dd02
SHA1

a8451288d8309179bb580d9d6949ee23f7a24eaf
SHA256

1db259b0063d26f9af684e7246d336250e289514a4e900eab1337ee9981a866b
SHA512

bf0df083a63711cfddb999548afa1729e0fa4a637f1d35fe1eb282c46eed9fee55ff740e593c9893f241ad28975f5b032f8fbd4a72a5d9000115c135ff0a8719

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://gaidov.bg/wp-includes/Ug/

xlm40.dropper

http://studiokrishnaproduction.com/wp-includes/3mJ/

xlm40.dropper

http://goodmarketinggroup.com/live_site/Y9cEk9QNlDUeg/

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

2360 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE
2360 EXCEL.EXE

pid	process
2360	EXCEL.EXE

pid	process
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	EXCEL.EXE
2360	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\1db259b0063d26f9af684e7246d336250e289514a4e900eab1337ee9981a866b.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2360

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/2360-118-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2360-119-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2360-120-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2360-121-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2360-122-0x00007FFCB13B0000-0x00007FFCB13C0000-memory.dmp

Filesize
64KB

Download
memory/2360-124-0x000002628C2A0000-0x000002628C2A2000-memory.dmp

Filesize
8KB

Download
memory/2360-123-0x000002628C2A0000-0x000002628C2A2000-memory.dmp

Filesize
8KB

Download
memory/2360-125-0x000002628C2A0000-0x000002628C2A2000-memory.dmp

Filesize
8KB

Download