Malware Analysis Report

2025-08-05 23:58

Sample ID 240324-tdkpzagc8x
Target ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4
SHA256 ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4
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

ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4

Threat Level: Known bad

The file ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-24 15:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 15:56

Reported

2024-03-24 15:59

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.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 3100 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 3100 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 3100 wrote to memory of 3320 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 3320 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 3320 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 3320 wrote to memory of 3132 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 3320 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 3320 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 3320 wrote to memory of 1872 N/A C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe

"C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe"

C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp" /SL5="$F003E,1758683,54272,C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.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 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.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 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 80.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 62.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
RU 152.89.198.214:53 csvcbxi.net udp
MD 45.142.214.240:80 csvcbxi.net tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
GB 96.17.179.80:80 tcp

Files

memory/3100-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3100-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EQOAD.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/3320-7-0x0000000002230000-0x0000000002231000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 dc8aedec9118fcb4ab4f8e50928d9e12
SHA1 380cb0b101c8d03ece5f91627cb1ca1cca094a33
SHA256 84ac321b081589c308bf974c6193891bb8d61bb933443db676ce92bc6553f453
SHA512 01a3c95c264c34c428e210ae1f8d7e26f5a8525b4492c04f912ae0710098581635da0f968ec5a3243364956605b8d2b93bb834b10d554007cc6f1e16c4842931

memory/3132-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3132-39-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3132-43-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3132-40-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-45-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-47-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3100-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3320-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1872-50-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3320-51-0x0000000002230000-0x0000000002231000-memory.dmp

memory/1872-54-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-55-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-58-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-61-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-64-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-67-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/1872-68-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-70-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/1872-75-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-78-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-79-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/1872-82-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-85-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-88-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-91-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-92-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/1872-93-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/1872-97-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1872-100-0x0000000000400000-0x0000000000601000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 15:56

Reported

2024-03-24 15:59

Platform

win11-20240214-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.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 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1676 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 1676 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 1676 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp
PID 4800 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4800 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4800 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4800 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4800 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 4800 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe

"C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.exe"

C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp" /SL5="$40240,1758683,54272,C:\Users\Admin\AppData\Local\Temp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.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
HK 141.98.234.31:53 csexuke.net udp
MD 45.142.214.240:80 csexuke.net tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/1676-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1676-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MAPC8.tmp\ec23819b3f561cd470f58ff604599056750fe19acf293f3e7ec5e04de67055c4.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/4800-7-0x0000000002450000-0x0000000002451000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 dc8aedec9118fcb4ab4f8e50928d9e12
SHA1 380cb0b101c8d03ece5f91627cb1ca1cca094a33
SHA256 84ac321b081589c308bf974c6193891bb8d61bb933443db676ce92bc6553f453
SHA512 01a3c95c264c34c428e210ae1f8d7e26f5a8525b4492c04f912ae0710098581635da0f968ec5a3243364956605b8d2b93bb834b10d554007cc6f1e16c4842931

memory/4900-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4900-39-0x0000000000400000-0x0000000000601000-memory.dmp

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

MD5 98a88495b41fb36cb986098c0c24bc53
SHA1 615f9b740eeece55183018450682abccc613ea5d
SHA256 c925bb7a0f99b518b28f6679fe77a5fadb98581f4e041b89e903719b913cb8b8
SHA512 d2244fa6d7300d9b586af17f0c0c5849b33c8fbb3a0f6a790bbdba40677964cb26712931c57830c4d95122fc05c09835692813525470703a615b229205e6364b

memory/4900-43-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4900-42-0x0000000000400000-0x0000000000601000-memory.dmp

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

MD5 ec6d3ceb3f032a7f26c60deb440e6fe3
SHA1 4197d59e82032ee35f5123e90a5d296df5e1826f
SHA256 9d514014881a2bc7efc62c17a8baa2aa4cbedc534c2b58cfafc44340ad205d2d
SHA512 c326f97bdea8cd416a38b55d53d175d22cef672cf3af33ce0f4aff883dcbeca205f3e81da9f7ebf2ee564bbe4a97e2ebf1598f33c41ad10961966a24e67aa684

memory/5084-45-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-47-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1676-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4800-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/5084-50-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4800-51-0x0000000002450000-0x0000000002451000-memory.dmp

memory/5084-54-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-55-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-58-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-61-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-64-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-66-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/5084-69-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-70-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/5084-75-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-78-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-79-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/5084-82-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-85-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-88-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-91-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-92-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/5084-93-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/5084-97-0x0000000000400000-0x0000000000601000-memory.dmp

memory/5084-100-0x0000000000400000-0x0000000000601000-memory.dmp