Malware Analysis Report

2025-08-10 11:56

Sample ID 240323-ss6ejsha28
Target 25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3
SHA256 25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3
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

25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3

Threat Level: Known bad

The file 25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3 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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-23 15:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 15:24

Reported

2024-03-23 15:26

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.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
N/A N/A N/A N/A

Socks5Systemz

botnet socks5systemz

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 91.211.247.248 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3500 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 3500 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 3500 wrote to memory of 1552 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 1552 wrote to memory of 1976 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1552 wrote to memory of 1976 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1552 wrote to memory of 1976 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1552 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1552 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1552 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe

"C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe"

C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp

"C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp" /SL5="$B0196,1970008,54272,C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
LT 91.211.247.248:53 csqxhuh.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
TR 195.16.74.230:80 csqxhuh.net tcp
BG 93.123.39.238:2023 tcp
US 8.8.8.8:53 230.74.16.195.in-addr.arpa udp
US 8.8.8.8:53 238.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp

Files

memory/3500-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3500-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-71AJB.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/1552-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GH7DP.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 ca07d355c80b303ac9edbf3d9b5492f3
SHA1 f09e8e52c3bb53e20f1623321ef2e0da693ebe85
SHA256 d144face050d52cf3beba96a24ff6bc79f01a621ee19801dbea49079fee42da8
SHA512 8961bc69e102623303d9cd943b9f2df32d8597958a0e3e51a41a84421de1c8037fd9a5e32f86a429f4ec551fcdd9a9b8d1b034a2644d3031abf8b1b5c9e5efdc

memory/1976-38-0x0000000000400000-0x0000000000641000-memory.dmp

memory/1976-39-0x0000000000400000-0x0000000000641000-memory.dmp

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

MD5 9c2cd7e0598ddbc8b21448117dc669bf
SHA1 012edc34a311f34496055381565d2e8c04dad361
SHA256 36227a38b5720e3136132d4fd35525dbaedac966d24b8e00592c50f557dde178
SHA512 641d44f1170dfbbbc576fbdf03214038781428b72b586119fee2acf314649124c750d678276ba575ab2a11fa2968f29a6b900a8f966b98ec568bb6946434f2bb

memory/1976-40-0x0000000000400000-0x0000000000641000-memory.dmp

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

MD5 f8877493b07ed2da855a7d3e8768f798
SHA1 8945388fb0690113f9c62d8b0d55bf843ce6b1f1
SHA256 d6b6e57e11536645bbb6cf951928586f467a586b0c5babf890871687c83d6f5d
SHA512 927d6531964ce793612c11467642103a46e0ee309febcfd7f441f3d566453df5d5a3999068499c27f5962c80b0ea897e7db670e26f017e82920fbbe63f7d23ed

memory/4516-45-0x0000000000400000-0x0000000000641000-memory.dmp

memory/1976-43-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-47-0x0000000000400000-0x0000000000641000-memory.dmp

memory/3500-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1552-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4516-50-0x0000000000400000-0x0000000000641000-memory.dmp

memory/1552-51-0x0000000002240000-0x0000000002241000-memory.dmp

memory/4516-54-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-55-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-56-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-59-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-62-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-65-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-68-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-69-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/4516-75-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-78-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-79-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/4516-82-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-85-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-88-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-91-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-92-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/4516-93-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/4516-97-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4516-100-0x0000000000400000-0x0000000000641000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 15:24

Reported

2024-03-23 15:26

Platform

win11-20240221-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.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
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 2740 wrote to memory of 4972 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 2740 wrote to memory of 4972 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 2740 wrote to memory of 4972 N/A C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp
PID 4972 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4972 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4972 wrote to memory of 772 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4972 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4972 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4972 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe

"C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.exe"

C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp

"C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp" /SL5="$50062,1970008,54272,C:\Users\Admin\AppData\Local\Temp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.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 aiuqhbi.ru udp
MD 45.142.214.240:80 aiuqhbi.ru tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/2740-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-VQ6PG.tmp\25d5acd334f0d498f7cfef39cfb04259b6f1c0bc066b39bb4f1da85a4a4388c3.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/4972-6-0x0000000002440000-0x0000000002441000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-A1NC3.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 ca07d355c80b303ac9edbf3d9b5492f3
SHA1 f09e8e52c3bb53e20f1623321ef2e0da693ebe85
SHA256 d144face050d52cf3beba96a24ff6bc79f01a621ee19801dbea49079fee42da8
SHA512 8961bc69e102623303d9cd943b9f2df32d8597958a0e3e51a41a84421de1c8037fd9a5e32f86a429f4ec551fcdd9a9b8d1b034a2644d3031abf8b1b5c9e5efdc

memory/772-38-0x0000000000400000-0x0000000000641000-memory.dmp

memory/772-37-0x0000000000400000-0x0000000000641000-memory.dmp

memory/772-41-0x0000000000400000-0x0000000000641000-memory.dmp

memory/772-42-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-45-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2740-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4972-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2204-48-0x0000000000400000-0x0000000000641000-memory.dmp

memory/4972-49-0x0000000002440000-0x0000000002441000-memory.dmp

memory/2204-52-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-53-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-56-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-59-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-62-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-65-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-67-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/2204-66-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/2204-73-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-76-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-77-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/2204-80-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-83-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-86-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-89-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-90-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/2204-91-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/2204-95-0x0000000000400000-0x0000000000641000-memory.dmp

memory/2204-98-0x0000000000400000-0x0000000000641000-memory.dmp