Malware Analysis Report

2025-01-02 03:23

Sample ID 240723-xmfzxswbpb
Target fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe
SHA256 fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab
Tags
remcos ranko7 discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab

Threat Level: Known bad

The file fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe was found to be: Known bad.

Malicious Activity Summary

remcos ranko7 discovery rat

Remcos

Drops startup file

Loads dropped DLL

Executes dropped EXE

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 18:58

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 18:58

Reported

2024-07-23 19:00

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

Signatures

Remcos

rat remcos

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nouses.vbs C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3232 set thread context of 2420 N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe C:\Windows\SysWOW64\svchost.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\caprone\nouses.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

C:\Users\Admin\AppData\Local\caprone\nouses.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3232 -ip 3232

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 660

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 kennyremcosbelintourismedleonline.gleeze.com udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 59.170.16.2.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 14.227.111.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 kennyremcosbelintourismedleonline.gleeze.com udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp

Files

memory/4368-10-0x0000000001AF0000-0x0000000001AF4000-memory.dmp

C:\Users\Admin\AppData\Local\caprone\nouses.exe

MD5 f3dcd81603a7b53421fcedce515a7c80
SHA1 6f5e15a2415801651cbe54b63eeaddd7df07ab45
SHA256 fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab
SHA512 f5e969de331afee0b3bed2a58d5159d95c9bbe93eb419980fe061cdcac8de94cc4dfcdd917951c9b6af0003f58f737f7716884472b1fb11a334af78073f51220

C:\Users\Admin\AppData\Local\Temp\oxmanship

MD5 d3c2e6b58aa6aef0054c6eb19728f613
SHA1 40057214bb8cb9b08174bf3dd6d72b98d2d318ab
SHA256 110657963c15958b17156291fe841ad4117e46afa4a174bb6eefbf1b42fd03d7
SHA512 b7e3fe3c6ab3f959d3dd01dba94d365290e52b31d1ced6a10558d275785aea661d146e820bd4d109af5b0bc8ee832085a5225d5f4c8d517fba61d649a72ef59a

C:\Users\Admin\AppData\Local\Temp\chiffons

MD5 afaf8231eb3ca65fab3692ce2bc01752
SHA1 7423205a0a2ba079d87afcd696514d7774a5a767
SHA256 1530b374165530f6156105c241b036bd707eda46030e48d8a2ca5a80de042e95
SHA512 7cd28b7e9ca7bb8321a2b4c7063d304dd3cb0aa47e2f1d77efd83846845edb630fc7d7027fed072b96703f651c65ed2b2ea629deb9fd4d9891fa9df5f186cb4e

memory/2420-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-39-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2420-46-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 18:58

Reported

2024-07-23 19:00

Platform

win7-20240705-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

Signatures

Remcos

rat remcos

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nouses.vbs C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2348 set thread context of 2136 N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

C:\Users\Admin\AppData\Local\caprone\nouses.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kennyremcosbelintourismedleonline.gleeze.com udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 kennyremcosbelintourismedleonline.gleeze.com udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp

Files

memory/3060-10-0x0000000000110000-0x0000000000114000-memory.dmp

\Users\Admin\AppData\Local\caprone\nouses.exe

MD5 f3dcd81603a7b53421fcedce515a7c80
SHA1 6f5e15a2415801651cbe54b63eeaddd7df07ab45
SHA256 fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab
SHA512 f5e969de331afee0b3bed2a58d5159d95c9bbe93eb419980fe061cdcac8de94cc4dfcdd917951c9b6af0003f58f737f7716884472b1fb11a334af78073f51220

C:\Users\Admin\AppData\Local\Temp\chiffons

MD5 afaf8231eb3ca65fab3692ce2bc01752
SHA1 7423205a0a2ba079d87afcd696514d7774a5a767
SHA256 1530b374165530f6156105c241b036bd707eda46030e48d8a2ca5a80de042e95
SHA512 7cd28b7e9ca7bb8321a2b4c7063d304dd3cb0aa47e2f1d77efd83846845edb630fc7d7027fed072b96703f651c65ed2b2ea629deb9fd4d9891fa9df5f186cb4e

C:\Users\Admin\AppData\Local\Temp\oxmanship

MD5 d3c2e6b58aa6aef0054c6eb19728f613
SHA1 40057214bb8cb9b08174bf3dd6d72b98d2d318ab
SHA256 110657963c15958b17156291fe841ad4117e46afa4a174bb6eefbf1b42fd03d7
SHA512 b7e3fe3c6ab3f959d3dd01dba94d365290e52b31d1ced6a10558d275785aea661d146e820bd4d109af5b0bc8ee832085a5225d5f4c8d517fba61d649a72ef59a

memory/2136-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-39-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-46-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-47-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2136-48-0x0000000000400000-0x0000000000482000-memory.dmp