Malware Analysis Report

2025-08-05 23:58

Sample ID 240324-v4wqlaeb28
Target 6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7
SHA256 6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7
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

6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7

Threat Level: Known bad

The file 6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7 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

2024-03-24 17:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 17:33

Reported

2024-03-24 17:35

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.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

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 4740 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 4740 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 4740 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 2384 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 2384 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 2384 wrote to memory of 1984 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 2384 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 2384 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 2384 wrote to memory of 3876 N/A C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe

"C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe"

C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp

"C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp" /SL5="$4011A,1965922,54272,C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe"

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 182.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
SE 45.155.250.90:53 ezhgixg.ua udp
MD 45.142.214.240:80 ezhgixg.ua 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
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

memory/4740-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4740-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GV801.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/2384-7-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-A8OED.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 355fab8714f0d248c3b86fd4397f0299
SHA1 eaf7221379ca0791a3a28ef2f0f2369edc5433ba
SHA256 3437eea441202018e43dc7fd474f95b4bfdf67416a4de3804b71798d24e7526c
SHA512 91b6d7f06441a08925a38878f7902c17a400f192ecdc40efd8d72a7d2b57bdf8c183fc77e66ef1078b4981fd94fc79b6fcc8e53c7932f0122e304a3c12573154

memory/1984-38-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1984-39-0x0000000000400000-0x0000000000633000-memory.dmp

memory/1984-42-0x0000000000400000-0x0000000000633000-memory.dmp

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 20ee241c4237d6da8aacc389c48fe88c
SHA1 3b69158bcfcd57d074850bf78afe8654d3c221ea
SHA256 b2045115a2cf9335d4ff1fbf0f45a0b1e1a1051a051cba10221820eb85de0d85
SHA512 545af02ea4dba811087d7463320dcd70957cc065e3b7a868b999391d43e2d92fdf79d6df22e095111a03c29790cb10de1dec7aa48d31e4b8cd4256e9f1985bd7

memory/1984-43-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-45-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-47-0x0000000000400000-0x0000000000633000-memory.dmp

memory/4740-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2384-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3876-50-0x0000000000400000-0x0000000000633000-memory.dmp

memory/2384-51-0x0000000002340000-0x0000000002341000-memory.dmp

memory/3876-54-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-55-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-58-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-61-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-64-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-67-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-68-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/3876-74-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-77-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-78-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/3876-81-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-84-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-87-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-90-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-94-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3876-97-0x0000000000400000-0x0000000000633000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 17:33

Reported

2024-03-24 17:35

Platform

win11-20240319-en

Max time kernel

151s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.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 3260 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 3260 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 3260 wrote to memory of 4316 N/A C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp
PID 4316 wrote to memory of 5200 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4316 wrote to memory of 5200 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4316 wrote to memory of 5200 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4316 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4316 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4316 wrote to memory of 3684 N/A C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe

"C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe"

C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp" /SL5="$7023C,1965922,54272,C:\Users\Admin\AppData\Local\Temp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.exe"

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 cshjgaz.net udp
MD 45.142.214.240:80 cshjgaz.net tcp
BG 93.123.39.238:2023 tcp
US 8.8.8.8:53 238.39.123.93.in-addr.arpa udp

Files

memory/3260-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FG2F7.tmp\6bd95e17e7cdf399aa6d2405bed57c91112ada2830d9298ec637c07a3aaa4af7.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/4316-6-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8TR5K.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 355fab8714f0d248c3b86fd4397f0299
SHA1 eaf7221379ca0791a3a28ef2f0f2369edc5433ba
SHA256 3437eea441202018e43dc7fd474f95b4bfdf67416a4de3804b71798d24e7526c
SHA512 91b6d7f06441a08925a38878f7902c17a400f192ecdc40efd8d72a7d2b57bdf8c183fc77e66ef1078b4981fd94fc79b6fcc8e53c7932f0122e304a3c12573154

memory/5200-37-0x0000000000400000-0x0000000000633000-memory.dmp

memory/5200-38-0x0000000000400000-0x0000000000633000-memory.dmp

memory/5200-41-0x0000000000400000-0x0000000000633000-memory.dmp

memory/5200-42-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-45-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3260-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4316-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3684-48-0x0000000000400000-0x0000000000633000-memory.dmp

memory/4316-49-0x0000000002340000-0x0000000002341000-memory.dmp

memory/3684-52-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-53-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-56-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-59-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-62-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-65-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/3684-66-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-67-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/3684-73-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-76-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-77-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/3684-80-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-83-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-86-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-89-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-90-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/3684-91-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/3684-95-0x0000000000400000-0x0000000000633000-memory.dmp

memory/3684-98-0x0000000000400000-0x0000000000633000-memory.dmp