786cdbbcab12d6076e895521a41dc5e5bd48fd09dbc85d4843a128c04dec73c2

Analysis

max time kernel
143s
max time network
146s
platform
windows10_x64
resource
win10-20220223-en
submitted
30-03-2022 19:05

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General

Target

786cdbbcab12d6076e895521a41dc5e5bd48fd09dbc85d4843a128c04dec73c2.xls
Size

106KB
MD5

5c945f91cb679e4982e1a05cc58971f0
SHA1

cc741cc3d41fec807b03d2ff508cac7e52adbfc7
SHA256

786cdbbcab12d6076e895521a41dc5e5bd48fd09dbc85d4843a128c04dec73c2
SHA512

0734a96479f61d568bdac2ae1e154986314ee2a00d5af4156f44056cd93382d381bc3937a4cb26c0c290bb311847988051e3d66e7079d3d34200fa870863ab74

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.gessersh.com/wp-includes/ZwQLepW/

xlm40.dropper

http://www.garantihaliyikama.com/wp-admin/FjgB6I/

xlm40.dropper

https://www.fantasticmotion.jp/_cnskin/qfWEQrrwBg/

xlm40.dropper

http://dmcontabilidade.com/correspondentecaixa/TrS/

xlm40.dropper

https://fcelik.nl/rittenregistratie/web/css/B3ILfU8Xk2SsEmT/

xlm40.dropper

http://fanfield.co.uk/cgi-bin/7pp6DjWFNJXY8/

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

3580 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE
3580 EXCEL.EXE

pid	process
3580	EXCEL.EXE

pid	process
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	EXCEL.EXE
3580	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\786cdbbcab12d6076e895521a41dc5e5bd48fd09dbc85d4843a128c04dec73c2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3580

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/3580-114-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-115-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-116-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-117-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-277-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-278-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-279-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/3580-280-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download