Malware Analysis Report

2025-08-10 11:55

Sample ID 240323-td1feshc68
Target e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37
SHA256 e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37
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

e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37

Threat Level: Known bad

The file e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Unexpected DNS network traffic destination

Executes dropped EXE

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 15:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 15:57

Reported

2024-03-23 15:59

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.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 4848 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 4848 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 4848 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 3280 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3280 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3280 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3280 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3280 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3280 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe

"C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe"

C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp

"C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp" /SL5="$401F4,1752228,54272,C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.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 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 78.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 66.179.17.96.in-addr.arpa udp
HK 141.98.234.31:53 dtzziuw.info udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
MD 45.142.214.240:80 dtzziuw.info tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/4848-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4848-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/3280-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 4947e172190fce2d6615b694ce283c75
SHA1 f0bed6c45ecdbf4be14cffd527d232dae7784c5e
SHA256 43315292e09019cd31c640577d5fee46cf6e5869bbe40ce2a83f32c58ec8e2d2
SHA512 0b8a9bc70c38ae62d7a8c3779d30addd12cf026190a72f17760e2ae20f509ecb8aa3fb4637b470fa6f0b862384f28188e43b2531705c265c0f402c21739b7f10

memory/2216-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2216-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2216-43-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2216-42-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-47-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4848-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3280-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4340-50-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3280-51-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/4340-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-55-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-58-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-61-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-64-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-67-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4340-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-70-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4340-75-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-78-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-79-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4340-82-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-85-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-88-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-91-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-92-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4340-93-0x00000000008D0000-0x0000000000972000-memory.dmp

memory/4340-97-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4340-100-0x0000000000400000-0x0000000000611000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 15:57

Reported

2024-03-23 15:59

Platform

win11-20240221-en

Max time kernel

141s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.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 45.155.250.90 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4696 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 4696 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 4696 wrote to memory of 4152 N/A C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
PID 4152 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4152 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4152 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4152 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4152 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4152 wrote to memory of 3484 N/A C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe

"C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe"

C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp

"C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp" /SL5="$40232,1752228,54272,C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.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
SE 45.155.250.90:53 beyrmbd.com udp
MD 45.142.214.240:80 beyrmbd.com tcp
NL 193.222.96.219:2023 tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 219.96.222.193.in-addr.arpa udp

Files

memory/4696-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-L1DKF.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/4152-6-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-1K1NK.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 4947e172190fce2d6615b694ce283c75
SHA1 f0bed6c45ecdbf4be14cffd527d232dae7784c5e
SHA256 43315292e09019cd31c640577d5fee46cf6e5869bbe40ce2a83f32c58ec8e2d2
SHA512 0b8a9bc70c38ae62d7a8c3779d30addd12cf026190a72f17760e2ae20f509ecb8aa3fb4637b470fa6f0b862384f28188e43b2531705c265c0f402c21739b7f10

memory/1532-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1532-37-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 0a9e55faf8d8135b696e3a5e354e06e4
SHA1 dbb4337aa890f192c55e75581c99496532c6e3fe
SHA256 f6bd018ff4541564d7e99e9cd5cc471276324b31a6b3794a8199369ba922f30c
SHA512 e31a5cd781dd073ac34c33c4c3957248b9e5ba12dab1de6c09ce3f782af06d4d1c13774b1f557b801309d045c90ab22d95f2bbe3e512cb8ee9b7261771440f89

memory/1532-41-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1532-42-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 6f1fbce5870a00b11c3108063840a83a
SHA1 5a7d7f698fd52d12454be461964a84483b56e26d
SHA256 299580f3a84f7de0e9538829234c5ee860e00f2d825b4b1c09400871839d3eab
SHA512 f840217895d421d092ff993c635744a4d7867b76755a27c761324b977c640ccf64644b35d7eef16e6bd8629c7ab188282dbc4941270883d73b6f08dbabfff6b8

memory/3484-45-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4696-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4152-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3484-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4152-50-0x0000000002340000-0x0000000002341000-memory.dmp

memory/1532-51-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-55-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-58-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-61-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-64-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-66-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/3484-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-70-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/3484-75-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-78-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-79-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/3484-82-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-85-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-88-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-91-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-92-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/3484-93-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/3484-97-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3484-100-0x0000000000400000-0x0000000000611000-memory.dmp