Malware Analysis Report

2024-08-06 17:46

Sample ID 240317-ahmwcahg24
Target cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821
SHA256 cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821
Tags
remcos test rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821

Threat Level: Known bad

The file cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821 was found to be: Known bad.

Malicious Activity Summary

remcos test rat

Detects executables built or packed with MPress PE compressor

Remcos

Detects executables built or packed with MPress PE compressor

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-17 00:12

Signatures

Detects executables built or packed with MPress PE compressor

Description Indicator Process Target
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Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-17 00:12

Reported

2024-03-17 00:15

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe"

Signatures

Remcos

rat remcos

Detects executables built or packed with MPress PE compressor

Description Indicator Process Target
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Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe

"C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 authapi-41985.portmap.host udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp

Files

memory/3936-0-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-1-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-2-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-3-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-4-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-5-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-6-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-7-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-8-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-9-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-10-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-11-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-12-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-13-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-14-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-15-0x0000000000400000-0x000000000047B000-memory.dmp

memory/3936-16-0x0000000000400000-0x000000000047B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-17 00:12

Reported

2024-03-17 00:15

Platform

win7-20240215-en

Max time kernel

147s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe"

Signatures

Remcos

rat remcos

Detects executables built or packed with MPress PE compressor

Description Indicator Process Target
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Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe

"C:\Users\Admin\AppData\Local\Temp\cf0918bed2177c94706bb51bc4f95f0e49b69bf31ef4f689bad11e026a13f821.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 authapi-41985.portmap.host udp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp
DE 193.161.193.99:41985 authapi-41985.portmap.host tcp

Files

memory/2028-0-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-1-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-2-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-3-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-4-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-5-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-6-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-7-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-8-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-9-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-10-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-11-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-12-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-13-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-14-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-15-0x0000000000400000-0x000000000047B000-memory.dmp

memory/2028-16-0x0000000000400000-0x000000000047B000-memory.dmp