Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-nd85nsab9y
Target 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2
SHA256 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2
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

2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2

Threat Level: Known bad

The file 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2 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 11:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 11:18

Reported

2024-03-23 11:20

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.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 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 2636 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 2636 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 2636 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 4268 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4268 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4268 wrote to memory of 4840 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4268 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4268 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4268 wrote to memory of 4912 N/A C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe

"C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe"

C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp

"C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp" /SL5="$401F2,1758553,54272,C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.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 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
SE 45.155.250.90:53 bxtnvoi.com udp
MD 45.142.214.240:80 bxtnvoi.com 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 90.65.42.20.in-addr.arpa udp

Files

memory/2636-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/4268-6-0x00000000007B0000-0x00000000007B1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-Q9LR4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 a6729f04305f0a78c82a2985755352de
SHA1 5b279e9f936813b2b7908f4efd33fecba611f18c
SHA256 382e61a8fd8da009a652b690d0a0a174dc4dd7c05efa9e0652616783060984a9
SHA512 a08f6ee795723a3482f0901d91c6de028f93a126f6e1e3fde6f603b7375cc0ba6957075b980fcf66b43cafd1af48bed00ad5df3b0fe5fa0c5ae047d911800c87

memory/4840-37-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4840-38-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4840-39-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4840-42-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-45-0x0000000000400000-0x0000000000608000-memory.dmp

memory/2636-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4268-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4912-48-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4268-49-0x00000000007B0000-0x00000000007B1000-memory.dmp

memory/4912-52-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-53-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-56-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-59-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-62-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-65-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-66-0x00000000006F0000-0x0000000000792000-memory.dmp

memory/4912-72-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-75-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-76-0x00000000006F0000-0x0000000000792000-memory.dmp

memory/4912-79-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-82-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-85-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-88-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-92-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4912-95-0x0000000000400000-0x0000000000608000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 11:18

Reported

2024-03-23 11:20

Platform

win11-20240221-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.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 4796 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 4796 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 4796 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
PID 3056 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3056 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3056 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3056 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3056 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3056 wrote to memory of 3404 N/A C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe

"C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe"

C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp

"C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp" /SL5="$800D6,1758553,54272,C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.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 31.243.111.52.in-addr.arpa udp
SE 45.155.250.90:53 bfmyrty.com udp
MD 45.142.214.240:80 bfmyrty.com tcp
NL 193.222.96.219:2023 tcp

Files

memory/4796-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4796-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MBU1H.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/3056-7-0x0000000002200000-0x0000000002201000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-J0M8N.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 4b91435ce363fd08a3aeb789aadecefb
SHA1 f030904110ee6655b4fd0badbb6adc487cfcc591
SHA256 9cbdf6b4cd3d07db07a990c714e69cff06280abd6778114d894b7bd7f4a7e27f
SHA512 d5dd86defec704a6696b3eaef611a787b9b38619a97d38debe0a9b5b4f26076490ae0273ae5521c6b39ce67d2f4b6aff142901b8aed5737edb78455a6164d8b4

memory/240-38-0x0000000000400000-0x0000000000608000-memory.dmp

memory/240-39-0x0000000000400000-0x0000000000608000-memory.dmp

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

MD5 c8ead2cca9d47177f47dbec528a30579
SHA1 93510893ac23a4d3c854cb559fd79cc47bc7e5a0
SHA256 2be9e9cead9bf8fa4e0f54dbaa49b54e382bf1913554857931d30d3d4e6117ff
SHA512 881487f3aa848f648ed7dff9647f19db8a2b49aa570672d34df652acd96f5f28f54c514b14c6f4c06a4375b8b24c9ea7390c8b3301c13c44ee670c07ac44de75

memory/240-42-0x0000000000400000-0x0000000000608000-memory.dmp

memory/240-43-0x0000000000400000-0x0000000000608000-memory.dmp

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

MD5 a6729f04305f0a78c82a2985755352de
SHA1 5b279e9f936813b2b7908f4efd33fecba611f18c
SHA256 382e61a8fd8da009a652b690d0a0a174dc4dd7c05efa9e0652616783060984a9
SHA512 a08f6ee795723a3482f0901d91c6de028f93a126f6e1e3fde6f603b7375cc0ba6957075b980fcf66b43cafd1af48bed00ad5df3b0fe5fa0c5ae047d911800c87

memory/3404-45-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-47-0x0000000000400000-0x0000000000608000-memory.dmp

memory/4796-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3056-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3404-50-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3056-51-0x0000000002200000-0x0000000002201000-memory.dmp

memory/3404-54-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-55-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-58-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-61-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-64-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-65-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/3404-69-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-70-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/3404-75-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-78-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-79-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/3404-82-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-85-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-88-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-91-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-92-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/3404-93-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/3404-97-0x0000000000400000-0x0000000000608000-memory.dmp

memory/3404-100-0x0000000000400000-0x0000000000608000-memory.dmp