Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-nf1w3sac2v
Target d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078
SHA256 d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078
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

d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078

Threat Level: Known bad

The file d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-23 11:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 11:21

Reported

2024-03-23 11:23

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.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 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4584 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 4584 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 4584 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 3320 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3320 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3320 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3320 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3320 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3320 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe

"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"

C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp

"C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp" /SL5="$D0224,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
HK 141.98.234.31:53 cceoyei.net udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
MD 45.142.214.240:80 cceoyei.net tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/4584-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4584-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-OQ7L9.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/3320-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HC4BG.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

MD5 7d196988eb734b40f3cdeb7fcfca2ac7
SHA1 936ec9251680709686e08afee2b21947fba3d078
SHA256 d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0
SHA512 c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e

memory/2212-38-0x0000000000400000-0x0000000000619000-memory.dmp

memory/2212-39-0x0000000000400000-0x0000000000619000-memory.dmp

memory/2212-40-0x0000000000400000-0x0000000000619000-memory.dmp

memory/2212-43-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-46-0x0000000000400000-0x0000000000619000-memory.dmp

memory/4584-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3320-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/5096-49-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3320-50-0x0000000002240000-0x0000000002241000-memory.dmp

memory/5096-53-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-54-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-57-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-60-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-63-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-66-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-67-0x00000000007D0000-0x0000000000872000-memory.dmp

memory/5096-68-0x00000000007D0000-0x0000000000872000-memory.dmp

memory/5096-74-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-77-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-78-0x00000000007D0000-0x0000000000872000-memory.dmp

memory/5096-81-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-84-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-87-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-90-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-94-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5096-97-0x0000000000400000-0x0000000000619000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 11:21

Reported

2024-03-23 11:23

Platform

win11-20240214-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.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 45.155.250.90 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5056 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 5056 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 5056 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp
PID 4788 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4788 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4788 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4788 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4788 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4788 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe

"C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"

C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp

"C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp" /SL5="$60228,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.exe"

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 bmqusde.com udp
MD 45.142.214.240:80 bmqusde.com tcp

Files

memory/5056-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5056-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-D9GOJ.tmp\d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/4788-7-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-AQ500.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

MD5 7d196988eb734b40f3cdeb7fcfca2ac7
SHA1 936ec9251680709686e08afee2b21947fba3d078
SHA256 d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0
SHA512 c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e

memory/3376-38-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3376-39-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3376-40-0x0000000000400000-0x0000000000619000-memory.dmp

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

MD5 8a5f63d74c82c4ca2ec7b9ef000e2576
SHA1 b3f7d0527a47b32f92e4a97adc2dcfbbfded0cd1
SHA256 5472d784b8c21e807a41a90c428db41197c1492e86dccbc78d035f56e0ccb721
SHA512 75aa01b7f53dd0866f43f7d1e2bd11931329bdcdeb1d1d069eb4915830f566a2dcafda41c311a577a037ae840cbb4af488147883fd0fa6c791412cc68c59bc95

memory/3376-43-0x0000000000400000-0x0000000000619000-memory.dmp

C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

MD5 3a522aa043c6039680db4d9025344d33
SHA1 9fd784581971d4216b71f25b28fa25a72725a215
SHA256 c07bc695f929ff4ee18501598201a98f570a2b00b7d1796f3999397d580c07b0
SHA512 5b919f7142532b754ad0779ab8af0af0e08b80b9dd78179d39d0cafda86e0b2432f04c350db2a2982adcf59b7fc63447f4452822063f365414006ceab9ff0c06

memory/3468-45-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-47-0x0000000000400000-0x0000000000619000-memory.dmp

memory/5056-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4788-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3468-50-0x0000000000400000-0x0000000000619000-memory.dmp

memory/4788-51-0x0000000002340000-0x0000000002341000-memory.dmp

memory/3468-54-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-55-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-58-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-61-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-64-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-65-0x0000000000940000-0x00000000009E2000-memory.dmp

memory/3468-69-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-70-0x0000000000940000-0x00000000009E2000-memory.dmp

memory/3468-75-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-78-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-79-0x0000000000940000-0x00000000009E2000-memory.dmp

memory/3468-82-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-85-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-88-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-91-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-95-0x0000000000400000-0x0000000000619000-memory.dmp

memory/3468-98-0x0000000000400000-0x0000000000619000-memory.dmp