9b4342ae520454fb34316ee716eda4f4b9e8f0edb5300fcc950cb2fdf55d32db

General

Target

9b4342ae520454fb34316ee716eda4f4b9e8f0edb5300fcc950cb2fdf55d32db.xlsm
Size

38KB
MD5

bc22cb20c3a07369d5a7ed4a52edcde9
SHA1

9aa5d8dc195fca0a55a5e6be00960d601ca14030
SHA256

9b4342ae520454fb34316ee716eda4f4b9e8f0edb5300fcc950cb2fdf55d32db
SHA512

fcb27d25ecdd078b9756728c821b8e9c07f7c80fb621eb5f5a36f980ef508116b023672761bfee64bf65f1f836413d10e393dfc86641ba7f2dbbf5c84af284df
SSDEEP

768:ybdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:SwDOZZ1ZYpoQ/pMAeVIyYzaT

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://pianistprodigy.com/demolms/Ax6ZgvEJJ8HEKfXrp/

xlm40.dropper

https://risamfg.com/wp-admin/JtqFQW/

xlm40.dropper

https://thailand-rocco.com/wp-content/gE7UvFwLh/

xlm40.dropper

https://pregy.org/test/rXTl1DEv0CWCE/

xlm40.dropper

https://romusreselling.xyz/wordpress/Lgv7VKTvFFuBH8uct2Eq/

xlm40.dropper

https://olawyer.net/wp-includes/e8jtEIL3lFkImOvd9k/

xlm40.dropper

https://tebetdanelon.com.br/wp-content/iVrceXC3knlRRl/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3216	4204	regsvr32.exe	EXCEL.EXE

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

regsvr32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

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

4204 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4204 EXCEL.EXE
4204 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE
4204	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4204 wrote to memory of 3216	4204	EXCEL.EXE	regsvr32.exe
PID 4204 wrote to memory of 3216	4204	EXCEL.EXE	regsvr32.exe
PID 4204 wrote to memory of 3216	4204	EXCEL.EXE	regsvr32.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\9b4342ae520454fb34316ee716eda4f4b9e8f0edb5300fcc950cb2fdf55d32db.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:3216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
658B

MD5
efba2b71ae067bb6f0e73ac52c284e73

SHA1
0c4065680162dda0a472f8e2feb28f7ad213c029

SHA256
83ef84066db5c532abe4cbab5ef7a9d9cdf466c665ee89cdef00005e5afc43da

SHA512
bda77d6bf2b4019b712c0a29958009ce4949bcea5dabc59bbc46b4a46f278ffe7d1856e94937a9e1a355269c4395ff1520511e77d618fb54b51bebc16951dd29

Download Submit
memory/4204-13-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-9-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-0-0x00007FF969FB0000-0x00007FF969FC0000-memory.dmp

Filesize
64KB

Download
memory/4204-4-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-5-0x00007FF969FB0000-0x00007FF969FC0000-memory.dmp

Filesize
64KB

Download
memory/4204-6-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-7-0x00007FF969FB0000-0x00007FF969FC0000-memory.dmp

Filesize
64KB

Download
memory/4204-14-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-3-0x00007FF9A9FCD000-0x00007FF9A9FCE000-memory.dmp

Filesize
4KB

Download
memory/4204-2-0x00007FF969FB0000-0x00007FF969FC0000-memory.dmp

Filesize
64KB

Download
memory/4204-8-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-16-0x00007FF967C60000-0x00007FF967C70000-memory.dmp

Filesize
64KB

Download
memory/4204-15-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-12-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-17-0x00007FF967C60000-0x00007FF967C70000-memory.dmp

Filesize
64KB

Download
memory/4204-18-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-11-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-1-0x00007FF969FB0000-0x00007FF969FC0000-memory.dmp

Filesize
64KB

Download
memory/4204-37-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download
memory/4204-10-0x00007FF9A9F30000-0x00007FF9AA125000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads