Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-narq8afe97
Target 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4
SHA256 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4
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

54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4

Threat Level: Known bad

The file 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4 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 11:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 11:11

Reported

2024-03-23 11:14

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.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 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 4984 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 4984 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 4984 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 3192 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3192 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3192 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3192 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3192 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3192 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe

"C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"

C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp" /SL5="$5005E,1794777,54272,C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.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 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
LT 91.211.247.248:53 ezztswi.ua udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
TR 195.16.74.230:80 ezztswi.ua tcp
US 8.8.8.8:53 230.74.16.195.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

memory/4984-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4984-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MJKG3.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/3192-7-0x0000000002240000-0x0000000002241000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-A6PL4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 ccb545e9cd91d33b6304ab0dd7df8bb9
SHA1 961136d74337db630e421a00698ddde2e80ba606
SHA256 bd09e37d0164824172ef0ae09e75523f2ec8cdc3ba9c514e179d743cfb5db029
SHA512 215bc75e1862ac117e73806e6701f40bd95706a81280df3b42f88e1a631ce103e7160bad985147e86753a638a8e85bf8e9b3bd23d2be8c79b093b421629258b6

memory/2156-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2156-39-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2156-43-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2156-41-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 4cce64d05608e8296910dc725e612498
SHA1 23f359c8f01b4d810ea534e687d541f963f50c90
SHA256 3e223bf7f7daca76245199b6dc80aa4298e10345cecffb2b88ebfe45c3349e46
SHA512 f7a79f8e56d67cbcce124ed6e0ac085bf466505bafbf967d0b66bd439b29ca82ef3912598577ebbf38fe267af0169f44fa0dd64f1d3a6bc508360226664a332d

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

MD5 2b9cd72d2188e739c982dd6eeb7d734b
SHA1 fcb9b736c8987c20cac62abb17726917fe0ed224
SHA256 f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc
SHA512 32296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341

memory/4716-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4984-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3192-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4716-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3192-50-0x0000000002240000-0x0000000002241000-memory.dmp

memory/4716-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-57-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-60-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-63-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-66-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-68-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/4716-74-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-77-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-78-0x0000000000810000-0x00000000008B2000-memory.dmp

memory/4716-81-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-84-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-87-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-90-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-94-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4716-97-0x0000000000400000-0x0000000000611000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 11:11

Reported

2024-03-23 11:14

Platform

win11-20240221-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.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 4168 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 4168 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 4168 wrote to memory of 3240 N/A C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
PID 3240 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3240 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3240 wrote to memory of 1380 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3240 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3240 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 3240 wrote to memory of 2964 N/A C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe

"C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"

C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp" /SL5="$8006C,1794777,54272,C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.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
HK 141.98.234.31:53 dtaeeyz.info udp
MD 45.142.214.240:80 dtaeeyz.info tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp

Files

memory/4168-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4168-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/3240-7-0x0000000002440000-0x0000000002441000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 019f1bfa872d5e52deb8e74a82dff209
SHA1 3cf1bf0e2530169ed975c48a1a475b44dfa5c923
SHA256 81fe591f1680e69151f3b7b3fb08bbb1db424a71d9e1cec4b231c1eae7dc9ddb
SHA512 818c95cf54d650978c0e2f23e7adca46ae9e29a05bb53bf0d81a7fd8e92962f6e651ad9847fd0cbdc918632c8384dea9a355dca8794504240bb4d4e2770dada7

memory/1380-38-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1380-39-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 eb76a96037919c63d23d5964decafd96
SHA1 5c23a8447ba60b683b08830fe6100c1ed46a3066
SHA256 1f1e827194efb4028bcff5d3a5e55ba7dc097e581ca25ea35714df33ff2b314f
SHA512 897073a0e77d69c0ace9dffc1d7d11b6bf6b85f4049b82ba9709807825960982fddd238356f36927d5f2f29f91f9402e88c627e1d5e018927a7bbba2cc5dd81b

memory/1380-43-0x0000000000400000-0x0000000000611000-memory.dmp

memory/1380-42-0x0000000000400000-0x0000000000611000-memory.dmp

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

MD5 2b9cd72d2188e739c982dd6eeb7d734b
SHA1 fcb9b736c8987c20cac62abb17726917fe0ed224
SHA256 f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc
SHA512 32296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341

memory/2964-46-0x0000000000400000-0x0000000000611000-memory.dmp

memory/4168-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3240-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2964-49-0x0000000000400000-0x0000000000611000-memory.dmp

memory/3240-50-0x0000000002440000-0x0000000002441000-memory.dmp

memory/2964-53-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-54-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-57-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-60-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-63-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-66-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-68-0x0000000000920000-0x00000000009C2000-memory.dmp

memory/2964-67-0x0000000000920000-0x00000000009C2000-memory.dmp

memory/2964-74-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-77-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-78-0x0000000000920000-0x00000000009C2000-memory.dmp

memory/2964-81-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-84-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-87-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-90-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-94-0x0000000000400000-0x0000000000611000-memory.dmp

memory/2964-97-0x0000000000400000-0x0000000000611000-memory.dmp