Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-n3lqnshc45
Target 80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82
SHA256 80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82
Tags
socks5systemz botnet discovery
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

80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82

Threat Level: Known bad

The file 80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Checks installed software on the system

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 11:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 11:55

Reported

2024-05-30 11:57

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 152.89.198.214 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3300 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 3300 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 3300 wrote to memory of 5112 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 5112 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 5112 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 5112 wrote to memory of 720 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 5112 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 5112 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 5112 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe

"C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp

"C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp" /SL5="$701E0,4731190,54272,C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
NL 52.111.243.29:443 tcp
RU 152.89.198.214:53 dipdvng.info udp
BG 79.110.49.184:80 dipdvng.info tcp
RO 45.11.181.104:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 184.49.110.79.in-addr.arpa udp
US 8.8.8.8:53 104.181.11.45.in-addr.arpa udp

Files

memory/3300-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3300-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-L13ES.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp

MD5 2147d68d1e5f1da63ca70612f4181ce6
SHA1 517ecefc93c258b1bc05ee5433e3a328a6f9168a
SHA256 3ba1867d2ba6b3db3c6c4c5fa238246fd4351f337c4e167e97eb25e2a5f0b181
SHA512 bc4a5e0a2e83e39005b6e3d470681741435a7b06f182162c3a72a96b0f763cb5a80eaad7e936216ac21c00d00b07e429149f0d4e1869868b6e469b1427ed8188

memory/5112-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NQTFJ.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

MD5 4b1810806584c80336d928c5efb635a9
SHA1 3d426fd7c84e98eba0649b3b876e8a6d201728f2
SHA256 b787ad0f213a770e225c6288b986c88a86a3bc0b35802f591f2abc82d25b9dd5
SHA512 345327d8591ac00d2eab68c08ccbf031959cde1a6cbdb1cdc07cec80bcd359264ae4cd7450b4ae1cf563cd02829f3ced781225de3853b46335b4fabffffa2def

memory/720-59-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/720-60-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/720-65-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/720-63-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-68-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/3300-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5112-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2884-71-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-74-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-77-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-80-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-83-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-86-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/2884-88-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-93-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-96-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-99-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-102-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-105-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-108-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-109-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/2884-110-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/2884-114-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2884-117-0x0000000000400000-0x00000000006FD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 11:55

Reported

2024-05-30 11:57

Platform

win11-20240508-en

Max time kernel

141s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2656 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 2656 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 2656 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
PID 3060 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 3060 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 3060 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 3060 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 3060 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
PID 3060 wrote to memory of 4372 N/A C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe

"C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp

"C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp" /SL5="$501B0,4731190,54272,C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s

Network

Country Destination Domain Proto
IE 52.111.236.22:443 tcp
HK 141.98.234.31:53 bbmuoxo.com udp
BG 79.110.49.184:80 bbmuoxo.com tcp

Files

memory/2656-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2656-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp

MD5 2147d68d1e5f1da63ca70612f4181ce6
SHA1 517ecefc93c258b1bc05ee5433e3a328a6f9168a
SHA256 3ba1867d2ba6b3db3c6c4c5fa238246fd4351f337c4e167e97eb25e2a5f0b181
SHA512 bc4a5e0a2e83e39005b6e3d470681741435a7b06f182162c3a72a96b0f763cb5a80eaad7e936216ac21c00d00b07e429149f0d4e1869868b6e469b1427ed8188

C:\Users\Admin\AppData\Local\Temp\is-GRREC.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/3060-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe

MD5 4b1810806584c80336d928c5efb635a9
SHA1 3d426fd7c84e98eba0649b3b876e8a6d201728f2
SHA256 b787ad0f213a770e225c6288b986c88a86a3bc0b35802f591f2abc82d25b9dd5
SHA512 345327d8591ac00d2eab68c08ccbf031959cde1a6cbdb1cdc07cec80bcd359264ae4cd7450b4ae1cf563cd02829f3ced781225de3853b46335b4fabffffa2def

memory/8-59-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/8-63-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/8-65-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/8-60-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-68-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/2656-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3060-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4372-71-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-74-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-77-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-80-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-83-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-86-0x0000000000BD0000-0x0000000000C72000-memory.dmp

memory/4372-89-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-94-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-97-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-100-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-103-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-106-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-109-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-113-0x0000000000400000-0x00000000006FD000-memory.dmp

memory/4372-116-0x0000000000400000-0x00000000006FD000-memory.dmp