801bc508ee3e79c02718261919ef99fef9be96e469ee781638e71740fcb80b87

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 22:14

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General

Target

801bc508ee3e79c02718261919ef99fef9be96e469ee781638e71740fcb80b87.xlsm
Size

20KB
MD5

264085a18e691e70013e1fef23855ad4
SHA1

b167b60aa513a30ba39490e357cb9b57430f9b80
SHA256

801bc508ee3e79c02718261919ef99fef9be96e469ee781638e71740fcb80b87
SHA512

d8b0d7af373f75a5d4b79e44b2a333841858a66c6fb315fee51879e35c5b47c14b37eefd12969380b0ddf75e4ffa0cf0240a708804a3f8b979fbe23a10767263
SSDEEP

384:uHM0Vb1GNjDo4CGzPd6ZIwA1hKb5CzgObff9kC+xbX7qE7h:T0INfo4FLH2CBn9kC+xbLq+

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://canismallorca.es/wp-admin/OTyeYrx9C9BvYvVb3/

xlm40.dropper

http://capslock.co.za/wp-includes/LMngUUTuanBofr5zK/

xlm40.dropper

http://www.cafe-kwebbel.nl/layouts/3Wkev/

xlm40.dropper

http://bkps.ac.th/b91-std63/Ixv52m8gu4aaUiyb/

xlm40.dropper

http://borbajardinagem.com.br/erros/vlB3f6XpsZG/

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	2724	2460	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
2460	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2460	EXCEL.EXE
2460	EXCEL.EXE
2460	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	EXCEL.EXE	32
PID 2460 wrote to memory of 2724	2460	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\801bc508ee3e79c02718261919ef99fef9be96e469ee781638e71740fcb80b87.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:2460
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll
  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\kytk.dll

Filesize
3KB

MD5
cc666088a917dd7f5da8b6689069aec0

SHA1
f688de634ccd20939a522391abb5049483e726bd

SHA256
332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405

SHA512
77a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc

Download Submit
memory/2460-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2460-1-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

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memory/2460-7-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads