Malware Analysis Report

2025-08-10 11:56

Sample ID 240323-typveshe56
Target fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088
SHA256 fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088
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

fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088

Threat Level: Known bad

The file fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088 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 16:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 16:28

Reported

2024-03-23 16:30

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.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 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 3964 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 3964 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 3964 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 4412 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4412 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4412 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4412 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4412 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4412 wrote to memory of 1092 N/A C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe

"C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"

C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp

"C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp" /SL5="$C0058,1993719,54272,C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 203.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.253.67:443 tcp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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
HK 141.98.234.31:53 aasctnm.ru udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
MD 45.142.214.240:80 aasctnm.ru tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp

Files

memory/3964-1-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-55VHL.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/4412-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-U1TO3.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 8e349bff47839474545f2217a5bddcc5
SHA1 4ac10a9dbb090a56c5139c00c81bf35eb35bf359
SHA256 ba225cea18c80260836604d13bcc8d9934741be009ee19fed27af92952c44c05
SHA512 6cf7cc4abcb7b3f3b3d15676c408dac175a2f9192ef61c7a87786f5d129e17e7be75d9b256b8c95e05b4d606a4abfbf740ac05e298fc624754baee117573a453

memory/3856-38-0x0000000000400000-0x0000000000640000-memory.dmp

memory/3856-39-0x0000000000400000-0x0000000000640000-memory.dmp

memory/3856-42-0x0000000000400000-0x0000000000640000-memory.dmp

memory/3856-43-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-46-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-47-0x0000000000400000-0x0000000000640000-memory.dmp

memory/3964-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4412-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1092-50-0x0000000000400000-0x0000000000640000-memory.dmp

memory/4412-52-0x0000000002240000-0x0000000002241000-memory.dmp

memory/1092-54-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-55-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-58-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-61-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-64-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-67-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-68-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/1092-69-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/1092-75-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-78-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-80-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/1092-82-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-85-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-88-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-91-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-95-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1092-99-0x0000000000400000-0x0000000000640000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 16:28

Reported

2024-03-23 16:30

Platform

win11-20240221-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.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 1308 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 1308 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 1308 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp
PID 2596 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2596 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2596 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2596 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2596 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2596 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe

"C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.exe"

C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp

"C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp" /SL5="$50204,1993719,54272,C:\Users\Admin\AppData\Local\Temp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
LT 91.211.247.248:53 buhauvb.com udp
TR 195.16.74.230:80 buhauvb.com tcp
NL 193.222.96.219:2023 tcp

Files

memory/1308-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1308-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0U87C.tmp\fb222ebb6c799f2bd4150c93a45cac3fe803d63cdb21c5eed605de253b22f088.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/2596-7-0x0000000002310000-0x0000000002311000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 8e349bff47839474545f2217a5bddcc5
SHA1 4ac10a9dbb090a56c5139c00c81bf35eb35bf359
SHA256 ba225cea18c80260836604d13bcc8d9934741be009ee19fed27af92952c44c05
SHA512 6cf7cc4abcb7b3f3b3d15676c408dac175a2f9192ef61c7a87786f5d129e17e7be75d9b256b8c95e05b4d606a4abfbf740ac05e298fc624754baee117573a453

memory/2936-39-0x0000000000400000-0x0000000000640000-memory.dmp

memory/2936-38-0x0000000000400000-0x0000000000640000-memory.dmp

memory/2936-43-0x0000000000400000-0x0000000000640000-memory.dmp

memory/2936-42-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-46-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1308-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2596-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1008-49-0x0000000000400000-0x0000000000640000-memory.dmp

memory/2596-50-0x0000000002310000-0x0000000002311000-memory.dmp

memory/1008-53-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-54-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-57-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-60-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-63-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-65-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/1008-67-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-69-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/1008-74-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-77-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-78-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/1008-81-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-84-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-87-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-90-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-91-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/1008-92-0x0000000000A10000-0x0000000000AB2000-memory.dmp

memory/1008-96-0x0000000000400000-0x0000000000640000-memory.dmp

memory/1008-99-0x0000000000400000-0x0000000000640000-memory.dmp