63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:54

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General

Target

63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.xlsm
Size

38KB
MD5

ffbe9c5409f366da195e5f9e887ac4c8
SHA1

50036cb05319165c87ca76afee0762b1c5d78634
SHA256

63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1
SHA512

afc85414078ad52acabd86a621afdab42635effcb5f1e49923b234c11e0e39e07efa5f121b61f0c3b327b359a0132cc590e2e2ebcc6d4eb467863d0bcc058ee7
SSDEEP

768:6mcXd/GCR8tijOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFs:6mqTeSOZZ1ZYpoQ/pMAeVIyTCR

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.berekethaber.com/dosyalar/4MZnNVw8Z/

xlm40.dropper

https://damjangro.org/data/IlBcH2mM/

xlm40.dropper

https://actwell.fr/logs/cGx7Ll6CB2k0NLWDTcL/

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	2724	2516	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

2516 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2516 EXCEL.EXE
2516 EXCEL.EXE
2516 EXCEL.EXE

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

pid	process
2516	EXCEL.EXE

pid	process
2516	EXCEL.EXE
2516	EXCEL.EXE
2516	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	EXCEL.EXE	regsvr32.exe
PID 2516 wrote to memory of 2724	2516	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\63f8b96bcc668ff9898553cb332fa8d2c18d90f8e386d71a1684429d6e483fa1.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:2516
- 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:2724

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\wnru.ocx

Filesize
46KB

MD5
3311516013f17a605e7224ba776dfd8b

SHA1
b56b07c60722c43832571b1ff0f8609e1bd1f7df

SHA256
92440da26f98b48c41bfaf4f1d695a825e9c2f803423ffafa2939a5a471fb7ce

SHA512
e9767218325fe493181a325430a4c1e1bbf4bb6026b1c9f31355d0c91e856b9d636ccdfcda1a12ecd4d00f3bbd8e2c7985a146b3346ba573f0f56449525acfe3

Download Submit
memory/2516-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2516-1-0x0000000071D5D000-0x0000000071D68000-memory.dmp

Filesize
44KB

Download
memory/2516-34-0x0000000071D5D000-0x0000000071D68000-memory.dmp

Filesize
44KB

Download