e0cd346793eb9a4fa68417a4c46147aab1fbe7bafcec3d33098fe1e5f9323380

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 11:15

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General

Target

e0cd346793eb9a4fa68417a4c46147aab1fbe7bafcec3d33098fe1e5f9323380.xlsm
Size

20KB
MD5

b330d6d80a6eac141a7764533a5ef09b
SHA1

b98ffcee95d5bf2409ba1ba8e975b444ffa0b76f
SHA256

e0cd346793eb9a4fa68417a4c46147aab1fbe7bafcec3d33098fe1e5f9323380
SHA512

82a69d75a6bf3a949bed1909ae85db59b14217e26d45b550c3368c0c88d7ee45c190eaf3627126e4b63fcac789758639704e4775d9a16ef7d1119c89a3b4e4c5
SSDEEP

384:CKAVb1GNjYTo4CGzPd6ZIwL0AOKb5CzgObff9kC+xbX7jvIv:CKYINmo4FLyCBn9kC+xbLA

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.manchesterslt.co.uk/a-to-z-of-slt/9wq2ESVcG/

xlm40.dropper

http://festival.artdialog.ch/contact/RGhcwH4DRBM/

xlm40.dropper

http://bramynapilota.com.pl/wp-admin/NHk/

xlm40.dropper

http://brwconsultoria.com.br/img/Vl0i9o/

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	2300	2572	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
2572	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2572	EXCEL.EXE
2572	EXCEL.EXE
2572	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	EXCEL.EXE	32
PID 2572 wrote to memory of 2300	2572	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\e0cd346793eb9a4fa68417a4c46147aab1fbe7bafcec3d33098fe1e5f9323380.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:2572
- 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:2300

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
1KB

MD5
1326c16a18441423830933fbb3a6a290

SHA1
d62b5f0ec9ae7a82209938c347311519b9fc1084

SHA256
3bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf

SHA512
2b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528

Download Submit
memory/2572-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2572-1-0x000000007294D000-0x0000000072958000-memory.dmp

Filesize
44KB

Download
memory/2572-30-0x000000007294D000-0x0000000072958000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads