acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa

Analysis

max time kernel
122s
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, 02:36

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General

Target

acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.xlsm
Size

38KB
MD5

8eb9afc56f1721c58fc22ddf4791c663
SHA1

e3b8df509a1b4c67b7c4cddf0a43bde61c657033
SHA256

acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa
SHA512

16715f65c78b28e24db9f083446c3ac6f52d8652140fd682772a817cc8cabedeff9f3dd002272cc1b62d36439206a54d9172eeff75de35bea366a6a861b316af
SSDEEP

768:WbdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:OwDOZZ1ZYpoQ/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	2780	2968	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
2968	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2968	EXCEL.EXE
2968	EXCEL.EXE
2968	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31
PID 2968 wrote to memory of 2780	2968	EXCEL.EXE	31

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\acf1b1af960839d825d91d8f9662bcabafaaaf42c1dfa9a3a7b5b952cc2eaffa.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:2968
- 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:2780

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/2968-1-0x0000000072A2D000-0x0000000072A38000-memory.dmp

Filesize
44KB

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memory/2968-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/2968-20-0x0000000072A2D000-0x0000000072A38000-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