Malware Analysis Report

2025-08-10 11:55

Sample ID 240323-r9qvragh25
Target 4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55
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 4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

Unexpected DNS network traffic destination

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-23 14:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 14:53

Reported

2024-03-23 14:56

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.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 2044 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 2044 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 2044 wrote to memory of 1424 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 1424 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1424 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1424 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1424 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1424 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 1424 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe

"C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe"

C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp

"C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp" /SL5="$5011A,1741795,54272,C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.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 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
RU 152.89.198.214:53 buisdgd.com udp
MD 45.142.214.240:80 buisdgd.com tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
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
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/2044-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2044-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-VG3LL.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/1424-7-0x0000000000760000-0x0000000000761000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-S944S.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/2116-38-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2116-39-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2116-40-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2116-43-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-45-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-47-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2044-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1424-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3212-50-0x0000000000400000-0x0000000000610000-memory.dmp

memory/1424-51-0x0000000000760000-0x0000000000761000-memory.dmp

memory/3212-54-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-55-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-58-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-61-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-64-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-66-0x0000000000870000-0x0000000000912000-memory.dmp

memory/3212-69-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-70-0x0000000000870000-0x0000000000912000-memory.dmp

memory/3212-75-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-78-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-79-0x0000000000870000-0x0000000000912000-memory.dmp

memory/3212-82-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-85-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-88-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-91-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-92-0x0000000000870000-0x0000000000912000-memory.dmp

memory/3212-93-0x0000000000870000-0x0000000000912000-memory.dmp

memory/3212-97-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3212-100-0x0000000000400000-0x0000000000610000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 14:53

Reported

2024-03-23 14:56

Platform

win11-20240221-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.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 1528 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 1528 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 1528 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp
PID 3472 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3472 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3472 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3472 wrote to memory of 4020 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3472 wrote to memory of 4020 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3472 wrote to memory of 4020 N/A C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe

"C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.exe"

C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp

"C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp" /SL5="$B0056,1741795,54272,C:\Users\Admin\AppData\Local\Temp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.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 bbnhbsi.com udp
MD 45.142.214.240:80 bbnhbsi.com 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/1528-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1528-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8D1NS.tmp\4d79b7d721263bd35ec4d7bf5af5a694d7e3ddb0b10b607a6b9e0f1b75d00b55.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/3472-7-0x0000000002300000-0x0000000002301000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-KVLR1.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/2136-39-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2136-38-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2136-40-0x0000000000400000-0x0000000000610000-memory.dmp

memory/2136-43-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-46-0x0000000000400000-0x0000000000610000-memory.dmp

memory/1528-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3472-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4020-49-0x0000000000400000-0x0000000000610000-memory.dmp

memory/3472-50-0x0000000002300000-0x0000000002301000-memory.dmp

memory/4020-53-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-54-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-57-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-60-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-63-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-65-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4020-68-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-69-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4020-74-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-77-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-78-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4020-81-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-84-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-87-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-90-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-91-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4020-92-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4020-96-0x0000000000400000-0x0000000000610000-memory.dmp

memory/4020-99-0x0000000000400000-0x0000000000610000-memory.dmp