Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-nqkmvaff55
Target f58cd7703329922a2ed72ad44b8edf5e.exe
SHA256 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585
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

dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585

Threat Level: Known bad

The file f58cd7703329922a2ed72ad44b8edf5e.exe was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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 11:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 11:36

Reported

2024-03-23 11:38

Platform

win7-20240221-en

Max time kernel

143s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.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 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 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2784 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 3040 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3040 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe

"C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe"

C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp" /SL5="$400F2,1743789,54272,C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.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 bgfqind.com udp
TR 195.16.74.230:80 bgfqind.com tcp
BG 93.123.39.238:2023 tcp

Files

memory/2784-1-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-RTF6J.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

\Users\Admin\AppData\Local\Temp\is-Q5N65.tmp\_isetup\_shfoldr.dll

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

memory/3040-9-0x0000000000240000-0x0000000000241000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-Q5N65.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 bd244b8c4f71095e22e91c28cf8ddf5f
SHA1 408f4715a5ee3d959af04467f2e079b6cd8715e7
SHA256 172a6545ebf5697a6ca7ca113a262c4b3376ea634db1658db03fd5d11c478252
SHA512 03af046fee90e21eabd2b120b4072e5be863d39b3b674c0f5c7e7e9366f39ab70946eb36de62d1dd6f4256ef97f7af27c7c4cc991d52c51bec54dd4ef96eec08

memory/3040-43-0x0000000003BB0000-0x0000000003DBE000-memory.dmp

memory/2588-44-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2588-45-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2588-48-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2588-49-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-51-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-53-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2784-54-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3040-55-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2692-56-0x0000000000400000-0x000000000060E000-memory.dmp

memory/3040-57-0x0000000000240000-0x0000000000241000-memory.dmp

memory/3040-58-0x0000000003BB0000-0x0000000003DBE000-memory.dmp

memory/2692-61-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-62-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-65-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-68-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-71-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-75-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-74-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2692-76-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2692-82-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-85-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-86-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2692-89-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-92-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-95-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-98-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-99-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2692-100-0x0000000002600000-0x00000000026A2000-memory.dmp

memory/2692-104-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2692-107-0x0000000000400000-0x000000000060E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 11:36

Reported

2024-03-23 11:38

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp N/A

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 1108 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 1108 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 1108 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp
PID 2516 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2516 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2516 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2516 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2516 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2516 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe

"C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe"

C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp" /SL5="$80214,1743789,54272,C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4292 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
NL 142.250.179.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 202.179.250.142.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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
RU 152.89.198.214:53 dtwwyel.info udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
MD 45.142.214.240:80 dtwwyel.info tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/1108-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/2516-6-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8A03V.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1108-37-0x0000000000400000-0x0000000000414000-memory.dmp

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

MD5 bd244b8c4f71095e22e91c28cf8ddf5f
SHA1 408f4715a5ee3d959af04467f2e079b6cd8715e7
SHA256 172a6545ebf5697a6ca7ca113a262c4b3376ea634db1658db03fd5d11c478252
SHA512 03af046fee90e21eabd2b120b4072e5be863d39b3b674c0f5c7e7e9366f39ab70946eb36de62d1dd6f4256ef97f7af27c7c4cc991d52c51bec54dd4ef96eec08

memory/4516-38-0x0000000000400000-0x000000000060E000-memory.dmp

memory/4516-39-0x0000000000400000-0x000000000060E000-memory.dmp

memory/4516-41-0x0000000000400000-0x000000000060E000-memory.dmp

memory/4516-43-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-45-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-47-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2516-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/632-50-0x0000000000400000-0x000000000060E000-memory.dmp

memory/2516-52-0x0000000002340000-0x0000000002341000-memory.dmp

memory/632-54-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-55-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-58-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-61-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-64-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-67-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/632-68-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-69-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/632-75-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-78-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-80-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/632-82-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-85-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-88-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-91-0x0000000000400000-0x000000000060E000-memory.dmp

memory/632-95-0x0000000000400000-0x000000000060E000-memory.dmp