55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d

Analysis

max time kernel
144s
max time network
145s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 21:57

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General

Target

55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls
Size

47KB
MD5

8b34eab8511cdd95f3c244f88dc6f63c
SHA1

b807eb50ef501d0d1548930eba9d656da9f7730a
SHA256

55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d
SHA512

dd13cebea40f5cadb470c4fe475b26c99b77b8ce4a1a5f373e6fa172730f16dd4c28faa89887fe490336a879c5b7d5cfe57b5d5b7df7cb6c3a9f8603e765e9d2
SSDEEP

768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5n:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8g1

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://eleselektromekanik.com/69Iq5Pwbd0/s/

xlm40.dropper

https://demo.icn.com.np/stories/Qk/

xlm40.dropper

http://demo34.ckg.hk/service/Atk7RQfUV673M/

xlm40.dropper

https://bitmovil.mx/css/TrgyPiTXy3/

xlm40.dropper

http://dupot.cz/tvhost/DUnMUvwZOhQs/

xlm40.dropper

http://focanainternet.com.br/erros/DepAK3p1Y/

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2620	1776	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1776	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1776	EXCEL.EXE
1776	EXCEL.EXE
1776	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32
PID 1776 wrote to memory of 2620	1776	EXCEL.EXE	32

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe ..\wnrul.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\wnrul.ocx

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/1776-1-0x000000007226D000-0x0000000072278000-memory.dmp

Filesize
44KB

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memory/1776-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1776-2-0x000000007226D000-0x0000000072278000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads