Malware Analysis Report

2025-08-10 11:56

Sample ID 240323-s7lzfshb75
Target 245feb1863027e245b3de9957ae20ae6.exe
SHA256 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5
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

6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5

Threat Level: Known bad

The file 245feb1863027e245b3de9957ae20ae6.exe 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 15:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 15:46

Reported

2024-03-23 15:48

Platform

win7-20240215-en

Max time kernel

143s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.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 152.89.198.214 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2204 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2988 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2988 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe

"C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"

C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp" /SL5="$400BE,1751749,54272,C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.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
RU 152.89.198.214:53 ejfyzbo.ua udp
MD 45.142.214.240:80 ejfyzbo.ua tcp
FR 195.154.174.92:2023 tcp

Files

memory/2204-1-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-VCL5L.tmp\245feb1863027e245b3de9957ae20ae6.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/2988-12-0x0000000000240000-0x0000000000241000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-TP5D9.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-TP5D9.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 5bf4fd07283eb6ab99dadb779af6cbe3
SHA1 cff589efc4d760fec33f34a020ef864769c342c4
SHA256 ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec
SHA512 c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a

memory/2988-43-0x0000000003470000-0x0000000003681000-memory.dmp

memory/2716-44-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2716-45-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 4710bf039beac17a3f50706bed73ea7e
SHA1 f4895d7ff6ca5eefbf16caa3171bdfa01147d362
SHA256 5b4df4c3f0fdcef0b8d8b4db946f03c2c35896f010ba2636f71287cec65a57cb
SHA512 6dbcc971ba599e9e2307f62bb9f8bb4d8ce28fabc958acf987791e5bd0ad61ff228a64e4a5c692d1a882d0fc20ab9fe3109cc3614f14e9e3efdb668f88d128d4

memory/2716-48-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2716-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-51-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2204-54-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2988-55-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2436-56-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2988-57-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2988-58-0x0000000003470000-0x0000000003681000-memory.dmp

memory/2436-61-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-62-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-65-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-71-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-74-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2436-76-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-77-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2436-82-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-85-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-86-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2436-89-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-92-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-95-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-98-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-99-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2436-100-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2436-104-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2436-107-0x0000000000400000-0x0000000000611000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 15:46

Reported

2024-03-23 15:48

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp N/A

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 2292 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2292 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 2292 wrote to memory of 3172 N/A C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp
PID 3172 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3172 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3172 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3172 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3172 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3172 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe

"C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"

C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp" /SL5="$C004C,1751749,54272,C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.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 78.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
GB 92.123.128.144:443 www.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 144.128.123.92.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 56.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
LT 91.211.247.248:53 aiiurxe.ru udp
TR 195.16.74.230:80 aiiurxe.ru tcp
BG 88.80.148.19:2023 tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
US 8.8.8.8:53 230.74.16.195.in-addr.arpa udp
US 8.8.8.8:53 19.148.80.88.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/2292-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/3172-6-0x0000000000760000-0x0000000000761000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 5bf4fd07283eb6ab99dadb779af6cbe3
SHA1 cff589efc4d760fec33f34a020ef864769c342c4
SHA256 ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec
SHA512 c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a

memory/4360-37-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4360-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4360-42-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4360-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-45-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2292-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3172-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3612-48-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3172-49-0x0000000000760000-0x0000000000761000-memory.dmp

memory/3612-52-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-56-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-59-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-62-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-65-0x0000000000740000-0x00000000007E2000-memory.dmp

memory/3612-66-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-68-0x0000000000740000-0x00000000007E2000-memory.dmp

memory/3612-73-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-76-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-77-0x0000000000740000-0x00000000007E2000-memory.dmp

memory/3612-80-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-83-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-86-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-89-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-90-0x0000000000740000-0x00000000007E2000-memory.dmp

memory/3612-91-0x0000000000740000-0x00000000007E2000-memory.dmp

memory/3612-95-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3612-98-0x0000000000400000-0x0000000000611000-memory.dmp