Malware Analysis Report

2025-08-05 23:58

Sample ID 240324-v6ej4agh4z
Target ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4
SHA256 ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4
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

ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4

Threat Level: Known bad

The file ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4 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 17:35

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 17:35

Reported

2024-03-24 17:38

Platform

win11-20240221-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.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 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 236 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 236 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 236 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 1632 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1632 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1632 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1632 wrote to memory of 2076 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1632 wrote to memory of 2076 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1632 wrote to memory of 2076 N/A C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe

"C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe"

C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp" /SL5="$701F8,1776977,54272,C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.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
RU 152.89.198.214:53 ddblngp.info udp
MD 45.142.214.240:80 ddblngp.info tcp

Files

memory/236-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/236-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-12SN7.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/1632-7-0x0000000002440000-0x0000000002441000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-T0167.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 9002b549ae8e8c7dcc447065c93056c7
SHA1 67e0428017a232d12202e5c56301e9f9503681b4
SHA256 2abb09df861a03e1b88d9074d319dd6a676c62e80a65c058e60f605af2d015ac
SHA512 48487168d49c2108a8db699cc64404afe60374b0d55214d157276430f75d6ea944ed2657d6f808999421bfe7c104e27111746605aca0f6a4439049bc403364ca

memory/1492-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1492-39-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1492-41-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1492-43-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-46-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-47-0x0000000000400000-0x0000000000601000-memory.dmp

memory/236-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1632-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2076-50-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1632-51-0x0000000002440000-0x0000000002441000-memory.dmp

memory/2076-54-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-55-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-58-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-61-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-64-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-67-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2076-68-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-70-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2076-75-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-78-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-79-0x0000000000980000-0x0000000000A22000-memory.dmp

memory/2076-82-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-85-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-88-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-91-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-95-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2076-98-0x0000000000400000-0x0000000000601000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 17:35

Reported

2024-03-24 17:38

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.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 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 4924 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 4924 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 4924 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp
PID 4536 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4536 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4536 wrote to memory of 1064 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4536 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4536 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4536 wrote to memory of 4476 N/A C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe

"C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.exe"

C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp" /SL5="$E0028,1776977,54272,C:\Users\Admin\AppData\Local\Temp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.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 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 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
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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 152.89.198.214:53 bwkjkpz.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
MD 45.142.214.240:80 bwkjkpz.com tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp

Files

memory/4924-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4924-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-60389.tmp\ca24618682a4932c1ccfebcc4239505c2a876317d0c8c1d558c7a69d4680bee4.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/4536-7-0x0000000000750000-0x0000000000751000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HR3J8.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 9002b549ae8e8c7dcc447065c93056c7
SHA1 67e0428017a232d12202e5c56301e9f9503681b4
SHA256 2abb09df861a03e1b88d9074d319dd6a676c62e80a65c058e60f605af2d015ac
SHA512 48487168d49c2108a8db699cc64404afe60374b0d55214d157276430f75d6ea944ed2657d6f808999421bfe7c104e27111746605aca0f6a4439049bc403364ca

memory/1064-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1064-39-0x0000000000400000-0x0000000000601000-memory.dmp

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

MD5 1904177ab4f790941eb1478ba9dc2c08
SHA1 e0c4ef7875060c979c1ed8a14df95cf0d28cb758
SHA256 a7c62dbb02a6baa95e23b75ecc54a41cc58841190ba54d372a4dfdeab7736342
SHA512 44ed9106ef57d5d219fa15e247c6b1ca5285e2a2c43a2b2fbd0da4b2392a7c0c2348f536777b5aa03053d297e9d9e1f7bd911b6637012ed3280a62baec07c6a9

memory/1064-43-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1064-42-0x0000000000400000-0x0000000000601000-memory.dmp

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

MD5 aaab90195d957eb934db134b35810d7d
SHA1 2d3451ebe091913c787a621f1fc6f12e16df08d1
SHA256 7ce76d5b5f3e408f64cec6e17213a4460f7b1be33ba4a24afa9185a8364fa05d
SHA512 1c47a8a01cbcbf8e46eaf33b550e9a3633f7e741478c09d1de3470e6c1f1ea8f219a30b10ee607d8fea4aabd96edfcf1aaab7b22dfea6139df46b19d3f937af0

memory/4476-46-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4924-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4536-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4476-49-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4536-50-0x0000000000750000-0x0000000000751000-memory.dmp

memory/4476-53-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-54-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-57-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-60-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-63-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-65-0x00000000021A0000-0x0000000002242000-memory.dmp

memory/4476-67-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-69-0x00000000021A0000-0x0000000002242000-memory.dmp

memory/4476-74-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-77-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-78-0x00000000021A0000-0x0000000002242000-memory.dmp

memory/4476-81-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-84-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-87-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-90-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-94-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4476-97-0x0000000000400000-0x0000000000601000-memory.dmp