8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 14:32

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General

Target

8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.xlsm
Size

38KB
MD5

f8dff00ed342355fd721ebc98b6cd472
SHA1

e183fb15cab8737753ba958724438ff043307036
SHA256

8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b
SHA512

0a412328cf6161e79b0e28672f84fc8f4c9285a7a62f7a9a90114da6b7b17c43f0059bd65e418721b6b8f36c9aad6a8cc97afc24da8d74e3c5b1737ee11850dc
SSDEEP

768:2dUCR8xZ5jOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIy5:e5wXOZZ1ZYpoQ/pMAeVIyMId

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ausnz.net/2010wc/RhAYVPNypjphNNk6J/

xlm40.dropper

https://belisip.net/libs/Swift-5.1.0/F5XU7EuPePQ/

xlm40.dropper

https://blog.centerking.top/wp-includes/WEIuPafz0bS/

xlm40.dropper

https://edu-media.cn/wp-admin/TOu/

xlm40.dropper

https://ppiabanyuwangi.or.id/lulu-1937/daURDNUyso/

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	2648	2372	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
2372	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2372	EXCEL.EXE
2372	EXCEL.EXE
2372	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	EXCEL.EXE	32
PID 2372 wrote to memory of 2648	2372	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\8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2648

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\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4C2ECAC2A38B0FA642F6D8FBD8353762

Filesize
5B

MD5
5bfa51f3a417b98e7443eca90fc94703

SHA1
8c015d80b8a23f780bdd215dc842b0f5551f63bd

SHA256
bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

SHA512
4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

Download Submit
C:\Users\Admin\wnru.ocx

Filesize
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2372-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2372-1-0x000000007267D000-0x0000000072688000-memory.dmp

Filesize
44KB

Download
memory/2372-23-0x000000007267D000-0x0000000072688000-memory.dmp

Filesize
44KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads