bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:20

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General

Target

bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731.xlsm
Size

38KB
MD5

6f2ecd6088024b3240b3d0e2635d7f7a
SHA1

88025bb96e4a4120f06d6413b11473e566553dbd
SHA256

bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731
SHA512

833a953285fc287d2a3b224edbf33707866f3985f207f2436ecf6363076bfd6d6a11fe690f3f81b498def309820f0b836e383e331f8d3095a137c04cb886037f
SSDEEP

768:mdUCR8xZ5jOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIy5:u5wXOZZ1ZYpoQ/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	1984	2336	regsvr32.exe	30

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
2336	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	EXCEL.EXE	32
PID 2336 wrote to memory of 1984	2336	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\bd5a9253a60ebad745aae1e8435f003fc257cb6e0b480fe58d3a29dfb3864731.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:2336
- 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:1984

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/2336-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2336-1-0x000000007227D000-0x0000000072288000-memory.dmp

Filesize
44KB

Download
memory/2336-23-0x000000007227D000-0x0000000072288000-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