Malware Analysis Report

2024-12-07 22:36

Sample ID 240719-v1bags1hnm
Target NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.bin.zip
SHA256 d340b977be533b8eb83e5e5833a643097202b32c7f9e4fdfacb327c0213a7bc6
Tags
remcos julio persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d340b977be533b8eb83e5e5833a643097202b32c7f9e4fdfacb327c0213a7bc6

Threat Level: Known bad

The file NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.bin.zip was found to be: Known bad.

Malicious Activity Summary

remcos julio persistence rat

Remcos

Adds Run key to start application

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 17:26

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 17:26

Reported

2024-07-19 17:29

Platform

win7-20240705-en

Max time kernel

148s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

Signatures

Remcos

rat remcos

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nuuuio = "C:\\Users\\Admin\\Pictures\\NONOUTUNMMap\\FirefoxUp.exe" C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe
PID 2512 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 jesusgabrielahumadalora09.con-ip.com udp
CO 181.141.40.50:1880 jesusgabrielahumadalora09.con-ip.com tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/2512-1-0x0000000000412000-0x000000000042C000-memory.dmp

memory/2512-0-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/2512-2-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/2512-3-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/2532-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2532-8-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-4-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-10-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-14-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-16-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/2512-15-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/2532-11-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-17-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-18-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-19-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-20-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-26-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-25-0x00000000000C0000-0x0000000000142000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 6151f1a4460ec2cb9eafea3229ffff2a
SHA1 ea0f44cfde4c383ce2e86a1dd96aa1aed596e3e1
SHA256 9a507c510653dabd3df0d93be9ad55fd5465e2e286f2d0b91a31621a5a86ac38
SHA512 8b268d67e57202e1553c8f65188a9695c1fdcf1d767fa1046f79b2ad245ebb4fdfc7e726efa9a164405516e44ed9407c9ff8fc7001d0d0333c51d121c1fbc904

memory/2532-33-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-34-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-42-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-41-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-49-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-50-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-57-0x00000000000C0000-0x0000000000142000-memory.dmp

memory/2532-58-0x00000000000C0000-0x0000000000142000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 17:26

Reported

2024-07-19 17:29

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

Signatures

Remcos

rat remcos

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nuuuio = "C:\\Users\\Admin\\Pictures\\NONOUTUNMMap\\FirefoxUp.exe" C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe

"C:\Users\Admin\AppData\Local\Temp\NOTIFICACION DE DEMANDA DE LA ALCALDIA DE INIRIDA - JULIO 18 DEL 2024.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 jesusgabrielahumadalora09.con-ip.com udp
CO 181.141.40.50:1880 jesusgabrielahumadalora09.con-ip.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.40.141.181.in-addr.arpa udp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 38.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1700-0-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/1700-1-0x0000000000412000-0x000000000042C000-memory.dmp

memory/1700-2-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/4000-3-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-4-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-5-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-11-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/1700-10-0x0000000000400000-0x0000000000A28000-memory.dmp

memory/4000-9-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-6-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-12-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-13-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-14-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-15-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-20-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-19-0x00000000000D0000-0x0000000000152000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 fd176d6ef74570d8fff8b9702f741e9e
SHA1 429dfb8304f407b1fa9eb1d3fb91d2e9bcafd695
SHA256 33b63a8805fd312eadac24b712265f05c129ddc4a2a873d8b7d8e33a2f8bfdb8
SHA512 a3e4919d1b577b5c89515b80524b4271610427f4b7b406d5abd264bbcd3bfb6b021efc7b8b921811f8f57b75b9f7af7ee333b39ea57475af8a5c0d7a29adf606

memory/4000-27-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-28-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-35-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-36-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-43-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-51-0x00000000000D0000-0x0000000000152000-memory.dmp

memory/4000-52-0x00000000000D0000-0x0000000000152000-memory.dmp