Malware Analysis Report

2025-08-10 11:56

Sample ID 240323-r2e4aabc5y
Target 4480d63a90a0688c746403e1619450e9.exe
SHA256 2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518

Threat Level: Known bad

The file 4480d63a90a0688c746403e1619450e9.exe was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

Unexpected DNS network traffic destination

Executes dropped EXE

Loads dropped DLL

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 14:41

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 14:41

Reported

2024-03-23 14:43

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.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-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp N/A

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 2060 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2060 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2060 wrote to memory of 4780 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 4780 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4780 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4780 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4780 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4780 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4780 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe

"C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe"

C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp" /SL5="$A006A,1788021,54272,C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.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 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 192.230.140.95.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
SE 45.155.250.90:53 burcvmq.com udp
MD 45.142.214.240:80 burcvmq.com tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
BG 88.80.148.19:2023 tcp
US 8.8.8.8:53 19.148.80.88.in-addr.arpa udp

Files

memory/2060-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2060-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EC0MV.tmp\4480d63a90a0688c746403e1619450e9.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/4780-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-R2T26.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 85116302d8af3431e866b1a5d0cf5d5e
SHA1 09e15b963c590fb5054f1e1c84ecdc0ce2526a6d
SHA256 f20413a98b4094027921ed785672cebc78251a9977c572d0dd77804460734fe1
SHA512 957cb4a3b2017542ea4dc6e3903255f3de14a282c8a34ea244602fa91584a7965e594258ac86b0e1f323dcdd1b3f3fb33d65fdbe43d4747f1282d59e1cc6cfbc

memory/1940-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1940-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1940-42-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1940-43-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2060-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4780-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1952-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4780-50-0x0000000002240000-0x0000000002241000-memory.dmp

memory/1952-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-57-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-60-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-63-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-64-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/1952-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-69-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/1952-74-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-77-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-78-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/1952-81-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-84-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-87-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-90-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-91-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/1952-92-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/1952-96-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1952-99-0x0000000000400000-0x0000000000611000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 14:41

Reported

2024-03-23 14:43

Platform

win7-20240221-en

Max time kernel

143s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.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 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 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2224 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp
PID 2820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2820 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe

"C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.exe"

C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp

"C:\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp" /SL5="$400EE,1788021,54272,C:\Users\Admin\AppData\Local\Temp\4480d63a90a0688c746403e1619450e9.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
LT 91.211.247.248:53 cczwvti.net udp
TR 195.16.74.230:80 cczwvti.net tcp

Files

memory/2224-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2224-2-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-CRKUD.tmp\4480d63a90a0688c746403e1619450e9.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/2820-12-0x00000000003D0000-0x00000000003D1000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-NE0H2.tmp\_isetup\_shfoldr.dll

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

\Users\Admin\AppData\Local\Temp\is-NE0H2.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 85116302d8af3431e866b1a5d0cf5d5e
SHA1 09e15b963c590fb5054f1e1c84ecdc0ce2526a6d
SHA256 f20413a98b4094027921ed785672cebc78251a9977c572d0dd77804460734fe1
SHA512 957cb4a3b2017542ea4dc6e3903255f3de14a282c8a34ea244602fa91584a7965e594258ac86b0e1f323dcdd1b3f3fb33d65fdbe43d4747f1282d59e1cc6cfbc

memory/2820-43-0x00000000034C0000-0x00000000036D1000-memory.dmp

memory/2644-44-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2644-45-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2644-48-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2644-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-51-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2224-54-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2820-55-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2664-56-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2820-57-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/2820-58-0x00000000034C0000-0x00000000036D1000-memory.dmp

memory/2664-61-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-62-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-65-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-71-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-74-0x00000000025D0000-0x0000000002672000-memory.dmp

memory/2664-76-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-77-0x00000000025D0000-0x0000000002672000-memory.dmp

memory/2664-82-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-85-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-86-0x00000000025D0000-0x0000000002672000-memory.dmp

memory/2664-89-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-92-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-95-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-98-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-102-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2664-105-0x0000000000400000-0x0000000000611000-memory.dmp