Malware Analysis Report

2025-08-10 11:56

Sample ID 240323-snfnbsgh95
Target 8d2f10057105ec032c4aab9f1d3b7a25.exe
SHA256 4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55
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

4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55

Threat Level: Known bad

The file 8d2f10057105ec032c4aab9f1d3b7a25.exe 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 15:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 15:16

Reported

2024-03-23 15:18

Platform

win7-20231129-en

Max time kernel

143s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.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 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2964 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 2796 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2796 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe

"C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe"

C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp

"C:\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp" /SL5="$400BE,1741795,54272,C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.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
RU 152.89.198.214:53 ckifpsi.net udp
MD 45.142.214.240:80 ckifpsi.net tcp
FR 195.154.173.35:2023 tcp

Files

memory/2964-1-0x0000000000400000-0x0000000000414000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-110FC.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/2796-9-0x00000000001D0000-0x00000000001D1000-memory.dmp

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

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

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 027a5dd229bede5d7943a7a83a50287b
SHA1 b93bd15e0d23a5b9d69f18b243f0b24868f219f8
SHA256 68c369695c29dd90a03c9fbb6d82d6dc70e3e770441bb21f7c10428ce6bfaf53
SHA512 fbcec0e4b177a5f7ec84b716e040240fd81522e2fac1c860b7e2e8b120719a3592d788410037b54d44c3bddfeaee19781a06987e97628ab8445fb270904aa5fc

memory/2796-42-0x00000000034F0000-0x0000000003700000-memory.dmp

memory/2624-44-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2624-45-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2624-48-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2624-49-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-51-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-53-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2964-54-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2796-55-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2876-56-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2796-57-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2796-58-0x00000000034F0000-0x0000000003700000-memory.dmp

memory/2876-61-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-62-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-65-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-68-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-71-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-74-0x0000000002310000-0x00000000023B2000-memory.dmp

memory/2876-75-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-76-0x0000000002310000-0x00000000023B2000-memory.dmp

memory/2876-82-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-85-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-86-0x0000000002310000-0x00000000023B2000-memory.dmp

memory/2876-89-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-92-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-95-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-98-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-99-0x0000000002310000-0x00000000023B2000-memory.dmp

memory/2876-100-0x0000000002310000-0x00000000023B2000-memory.dmp

memory/2876-104-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2876-107-0x0000000000400000-0x0000000000610000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 15:16

Reported

2024-03-23 15:18

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.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-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp N/A

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 3852 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 3852 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 3852 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp
PID 820 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 820 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 820 wrote to memory of 3952 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 820 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 820 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 820 wrote to memory of 4864 N/A C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe

"C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.exe"

C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp

"C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp" /SL5="$C003C,1741795,54272,C:\Users\Admin\AppData\Local\Temp\8d2f10057105ec032c4aab9f1d3b7a25.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=4456 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
LT 91.211.247.248:53 ckmivjp.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
TR 195.16.74.230:80 ckmivjp.net tcp
US 8.8.8.8:53 230.74.16.195.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/3852-1-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3150R.tmp\8d2f10057105ec032c4aab9f1d3b7a25.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/820-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NLVE8.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 027a5dd229bede5d7943a7a83a50287b
SHA1 b93bd15e0d23a5b9d69f18b243f0b24868f219f8
SHA256 68c369695c29dd90a03c9fbb6d82d6dc70e3e770441bb21f7c10428ce6bfaf53
SHA512 fbcec0e4b177a5f7ec84b716e040240fd81522e2fac1c860b7e2e8b120719a3592d788410037b54d44c3bddfeaee19781a06987e97628ab8445fb270904aa5fc

memory/3952-38-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3952-39-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3952-40-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3952-43-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-45-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-47-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3852-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/820-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4864-50-0x0000000000400000-0x0000000000610000-memory.dmp

memory/820-52-0x0000000002240000-0x0000000002241000-memory.dmp

memory/4864-54-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-57-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-59-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-61-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-64-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-67-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-68-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4864-69-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4864-75-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-79-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-81-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4864-83-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-85-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-88-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-91-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-96-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4864-98-0x0000000000400000-0x0000000000610000-memory.dmp