a21112625d24929a25d430706012f0975beb4b51c65d28a6f85c617a807864b5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 11:53

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General

Target

a21112625d24929a25d430706012f0975beb4b51c65d28a6f85c617a807864b5.xlsm
Size

38KB
MD5

7175e043d2d89ccff0c6cf26b60fd7ea
SHA1

5198fc9ce768821217dc47a8af2951a631158974
SHA256

a21112625d24929a25d430706012f0975beb4b51c65d28a6f85c617a807864b5
SHA512

785e0d8e49ed1e3f7a6c6002f47376316495fd69bfbd05eb9565b81c4c9788c9ce0c62f9fa2509feb39e68ad56432339823ea499dc717eaee82cb8c861bc31cd
SSDEEP

768:CbdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:CwDOZZ1ZYpoQ/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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	808	2528	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
2528	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2528	EXCEL.EXE
2528	EXCEL.EXE
2528	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	EXCEL.EXE	32
PID 2528 wrote to memory of 808	2528	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\a21112625d24929a25d430706012f0975beb4b51c65d28a6f85c617a807864b5.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:2528
- 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:808

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

memory/2528-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2528-1-0x0000000072AFD000-0x0000000072B08000-memory.dmp

Filesize
44KB

Download
memory/2528-18-0x0000000072AFD000-0x0000000072B08000-memory.dmp

Filesize
44KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads