caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:33

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General

Target

caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.xlsm
Size

38KB
MD5

d87d0ff20ad51778106432c33a822cb8
SHA1

89e2edf1c299ffaee0cb29b2c5b1463029d3708a
SHA256

caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb
SHA512

ab4167c5eaa62c8d4d92e92900aae818e78081536f3d4493acc68342d956584670cca7f5662c4e890810c85330ad95b122f467071e8aeb3a1b12d9f4cdf163d8
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.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1284	2520	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXEregsvr32.exe

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

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2520 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2520 EXCEL.EXE
2520 EXCEL.EXE
2520 EXCEL.EXE

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

pid	process
2520	EXCEL.EXE

pid	process
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe
PID 2520 wrote to memory of 1284	2520	EXCEL.EXE	regsvr32.exe

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\caaa232f99969f77488f71e5553613677ef8ebeddfbcfd1282255551cd9396bb.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:2520
- 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:1284

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/2520-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2520-1-0x000000007287D000-0x0000000072888000-memory.dmp

Filesize
44KB

Download
memory/2520-18-0x000000007287D000-0x0000000072888000-memory.dmp

Filesize
44KB

Download