Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-qkj58sgc78
Target cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be
SHA256 cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be
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

cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be

Threat Level: Known bad

The file cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be 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 13:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 13:19

Reported

2024-03-23 13:21

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.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 1176 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 1176 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 1176 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 4876 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4876 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4876 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4876 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4876 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4876 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe

"C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe"

C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp

"C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp" /SL5="$C006C,1756126,54272,C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.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 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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
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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
RU 152.89.198.214:53 boilyji.com udp
MD 45.142.214.240:80 boilyji.com tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp

Files

memory/1176-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1176-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-791QL.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/4876-7-0x0000000000690000-0x0000000000691000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4229S.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 eb2a1704a27d69722596d71a61fd070c
SHA1 71bb555c6071c882fd8e3e93d9be848bf8e57b3c
SHA256 baa1e1ecf3dc88cd2804cd0076d829578db5acb72da93c14939fab3fb064d83c
SHA512 533daec59bd9586fe7f8e08dc38a03fad37c8f081d855d8a8f5adefec4f618b7fef1eaae8fd8fccc2ac56df5dbd78e0354e977e64ff96e0a7b6cf1ddcb588252

memory/3660-38-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3660-39-0x0000000000400000-0x0000000000608000-memory.dmp

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

MD5 c79648f3750d1cefcdb36833c743d263
SHA1 894203940c5346ae015be20e017dee9b409ddaf5
SHA256 89af231d1c627b6bede896ef3eb73d8bc48e4a9e37accb71b7f6723a3fe5953b
SHA512 052ca6068b18f2d7fcdedcfe01021ce480987c8bf09cda91abb719c9647314c276380563ab1b3fba9cf635499e17eed26c75b7c80bdd59f2ca2c7626c3dd9cf8

memory/3660-42-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-46-0x0000000000400000-0x0000000000608000-memory.dmp

memory/1176-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4876-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3280-49-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4876-50-0x0000000000690000-0x0000000000691000-memory.dmp

memory/3280-53-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-54-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-57-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-60-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-63-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-65-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/3280-68-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-69-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/3280-74-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-77-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-78-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/3280-81-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-84-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-87-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-90-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-91-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/3280-92-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/3280-96-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3280-99-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 13:19

Reported

2024-03-23 13:21

Platform

win11-20240221-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.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 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 3284 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 3284 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 3284 wrote to memory of 4136 N/A C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp
PID 4136 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4136 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4136 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4136 wrote to memory of 3200 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4136 wrote to memory of 3200 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4136 wrote to memory of 3200 N/A C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe

"C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.exe"

C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp" /SL5="$1101EE,1756126,54272,C:\Users\Admin\AppData\Local\Temp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.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 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
LT 91.211.247.248:53 dtwbete.info udp
TR 195.16.74.230:80 dtwbete.info tcp

Files

memory/3284-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4I7QM.tmp\cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/4136-6-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ELG58.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 c79648f3750d1cefcdb36833c743d263
SHA1 894203940c5346ae015be20e017dee9b409ddaf5
SHA256 89af231d1c627b6bede896ef3eb73d8bc48e4a9e37accb71b7f6723a3fe5953b
SHA512 052ca6068b18f2d7fcdedcfe01021ce480987c8bf09cda91abb719c9647314c276380563ab1b3fba9cf635499e17eed26c75b7c80bdd59f2ca2c7626c3dd9cf8

memory/900-38-0x0000000000400000-0x0000000000608000-memory.dmp

memory/900-37-0x0000000000400000-0x0000000000608000-memory.dmp

memory/900-41-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-44-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3284-45-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4136-46-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3200-47-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4136-48-0x0000000002340000-0x0000000002341000-memory.dmp

memory/3200-51-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-52-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-55-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-58-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-61-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-64-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/3200-65-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-71-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-74-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-75-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/3200-78-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-81-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-84-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-87-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-91-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3200-94-0x0000000000400000-0x0000000000608000-memory.dmp