Malware Analysis Report

2024-12-07 22:43

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

Table of Contents

Analysis Overview

MITRE ATT&CK

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

fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab

Threat Level: Known bad

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

Malicious Activity Summary

remcos ranko7 rat

Remcos

Drops startup file

Executes dropped EXE

Loads dropped DLL

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-23 04:57

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: behavioral1

Detonation Overview

Submitted

2024-07-23 04:57

Reported

2024-07-23 05:00

Platform

win7-20240708-en

Max time kernel

149s

Max time network

146s

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 2336 set thread context of 2220 N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe C:\Windows\SysWOW64\svchost.exe

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/2412-10-0x0000000000110000-0x0000000000114000-memory.dmp

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

MD5 f3dcd81603a7b53421fcedce515a7c80
SHA1 6f5e15a2415801651cbe54b63eeaddd7df07ab45
SHA256 fdd56eff190fb7974b5432cafd9f0071049c37c853f229ffb69400e9687f49ab
SHA512 f5e969de331afee0b3bed2a58d5159d95c9bbe93eb419980fe061cdcac8de94cc4dfcdd917951c9b6af0003f58f737f7716884472b1fb11a334af78073f51220

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2220-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-39-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-46-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-47-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2220-48-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 04:57

Reported

2024-07-23 05:00

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

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 3036 set thread context of 816 N/A C:\Users\Admin\AppData\Local\caprone\nouses.exe C:\Windows\SysWOW64\svchost.exe

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 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
DE 78.159.112.21:7027 kennyremcosbelintourismedleonline.gleeze.com tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.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
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/5068-10-0x00000000011B0000-0x00000000011B4000-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 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

MD5 afaf8231eb3ca65fab3692ce2bc01752
SHA1 7423205a0a2ba079d87afcd696514d7774a5a767
SHA256 1530b374165530f6156105c241b036bd707eda46030e48d8a2ca5a80de042e95
SHA512 7cd28b7e9ca7bb8321a2b4c7063d304dd3cb0aa47e2f1d77efd83846845edb630fc7d7027fed072b96703f651c65ed2b2ea629deb9fd4d9891fa9df5f186cb4e

memory/816-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-39-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/816-46-0x0000000000400000-0x0000000000482000-memory.dmp