Malware Analysis Report

2025-08-10 11:55

Sample ID 240323-t3bhlahe78
Target 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81
SHA256 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81
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

37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81

Threat Level: Known bad

The file 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81 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 16:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 16:34

Reported

2024-03-23 16:37

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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 2828 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 2828 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 2828 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 4624 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4624 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4624 wrote to memory of 1964 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4624 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4624 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 4624 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe

"C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"

C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp

"C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp" /SL5="$120226,1752368,54272,C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 33.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
HK 141.98.234.31:53 dldezqe.info udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
MD 45.142.214.240:80 dldezqe.info tcp
NL 193.222.96.219:2023 tcp
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/2828-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2828-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/4624-7-0x0000000002240000-0x0000000002241000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1964-38-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 c963718dcfbf0c912a40a46bafcbe6f1
SHA1 8633310a8cc797a59a63d8fd54456893402296f8
SHA256 9cc03473e79df79135bfad64f51cc2ab03eeba069494045a91ddf0d2745345f6
SHA512 f9191caf21877ed861ad09019abf50c591ad5bcb2a478e4518e3e7aa64af73373d46c81e8829e80ac8be78be47d4ea83ff1e420e59297d1cff1718c37ca35c65

memory/1964-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1964-43-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2828-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4624-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3976-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4624-50-0x0000000002240000-0x0000000002241000-memory.dmp

memory/3976-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-57-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-60-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-63-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-65-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/3976-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-69-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/3976-74-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-77-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-78-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/3976-81-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-84-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-87-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-90-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-91-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/3976-92-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/3976-96-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3976-99-0x0000000000400000-0x0000000000611000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 16:34

Reported

2024-03-23 16:37

Platform

win11-20240221-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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 2320 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 2320 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 2320 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
PID 2396 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2396 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2396 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2396 wrote to memory of 948 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2396 wrote to memory of 948 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2396 wrote to memory of 948 N/A C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe

"C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"

C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp

"C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp" /SL5="$6023C,1752368,54272,C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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 43.229.111.52.in-addr.arpa udp
HK 141.98.234.31:53 bxyszls.com udp
MD 45.142.214.240:80 bxyszls.com tcp
NL 193.222.96.219:2023 tcp

Files

memory/2320-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2320-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-9VQMF.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp

MD5 d394fc26de69f06950dc1c71959b0261
SHA1 7c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA512 63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

memory/2396-7-0x0000000002340000-0x0000000002341000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-7GETS.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 c963718dcfbf0c912a40a46bafcbe6f1
SHA1 8633310a8cc797a59a63d8fd54456893402296f8
SHA256 9cc03473e79df79135bfad64f51cc2ab03eeba069494045a91ddf0d2745345f6
SHA512 f9191caf21877ed861ad09019abf50c591ad5bcb2a478e4518e3e7aa64af73373d46c81e8829e80ac8be78be47d4ea83ff1e420e59297d1cff1718c37ca35c65

memory/3240-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3240-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3240-40-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 527b8f06d6527ae5d62b4cb562b11508
SHA1 534c14bb3eb12e148a89c26c4b01bc07bb5093b9
SHA256 0c7b1da7c541bd425c204529c4647cfa0acd671759b3e5a02f62b5918f541746
SHA512 6f2459004a4da877159f4d473626426625908ce9c60f0a0eba2814b3de6632c01d2250902ec78880fba45eadddc0e299a5fab8a85bcf192bebc6630294cc1a28

memory/3240-43-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 097bda7cd7aaccd478c721fedefd0a73
SHA1 a8cddf16fac8a777256e8cdb48bbed6fe06d936a
SHA256 6063036eb4dcf8c518176c9bda36a8f7b8f4fa0e71031c5d4d6fbe6df125bde1
SHA512 edd4e3fd7f71db1d75b260f043580082ba85d4bf676b626aff679c9a256bf2e353e2f609c0b351a331f6fba2187249bf9d4c111e20e538c996c1b022850b60fe

memory/948-45-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-47-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2320-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2396-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/948-50-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2396-51-0x0000000002340000-0x0000000002341000-memory.dmp

memory/948-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-55-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-58-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-61-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-64-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-66-0x00000000009F0000-0x0000000000A92000-memory.dmp

memory/948-68-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-70-0x00000000009F0000-0x0000000000A92000-memory.dmp

memory/948-75-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-78-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-79-0x00000000009F0000-0x0000000000A92000-memory.dmp

memory/948-82-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-85-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-88-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-91-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-92-0x00000000009F0000-0x0000000000A92000-memory.dmp

memory/948-93-0x00000000009F0000-0x0000000000A92000-memory.dmp

memory/948-97-0x0000000000400000-0x0000000000611000-memory.dmp

memory/948-100-0x0000000000400000-0x0000000000611000-memory.dmp