Malware Analysis Report

2025-08-11 05:09

Sample ID 240323-pjmpasaf4w
Target 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6
SHA256 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6
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

1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6

Threat Level: Known bad

The file 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6 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 12:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-23 12:21

Reported

2024-03-23 12:24

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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 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 404 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 404 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 404 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 2232 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2232 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2232 wrote to memory of 64 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2232 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2232 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 2232 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe

"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"

C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$A011E,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4204 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 240.221.184.93.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
HK 141.98.234.31:53 bdxbpnz.com udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
MD 45.142.214.240:80 bdxbpnz.com tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
NL 142.251.39.106:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 106.39.251.142.in-addr.arpa udp

Files

memory/404-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/404-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-B3CIG.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/2232-7-0x0000000002240000-0x0000000002241000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 ecd25bbe932879f7b1104322f0338e11
SHA1 03e574a7f06a85bc0cbbabfb86e1cfb621031056
SHA256 31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811
SHA512 e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

memory/64-38-0x0000000000400000-0x000000000060B000-memory.dmp

memory/64-39-0x0000000000400000-0x000000000060B000-memory.dmp

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

MD5 5ce49878104e1a35529927d4e5da0dcf
SHA1 0051814458e92cb618fcb9e2ab501e02b56e0554
SHA256 c456b0ebe27c6d94bbce0d37351efe7ca59c5d9ff004c307aa42ca83f1971a82
SHA512 882cf7cfccc2903fb4cecf6969614900204eb64ab94d77dcbb52ec3520df8a9175768eb75b78c3b77018c91e4078799866d51bf6c1d96f361f06d7a498b8e25b

memory/64-42-0x0000000000400000-0x000000000060B000-memory.dmp

memory/64-43-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-45-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-47-0x0000000000400000-0x000000000060B000-memory.dmp

memory/404-48-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2232-49-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/3788-50-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2232-51-0x0000000002240000-0x0000000002241000-memory.dmp

memory/3788-54-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-55-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-58-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-61-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-64-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-68-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/3788-67-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-74-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-77-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-78-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/3788-81-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-84-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-87-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-90-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-94-0x0000000000400000-0x000000000060B000-memory.dmp

memory/3788-97-0x0000000000400000-0x000000000060B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-23 12:21

Reported

2024-03-23 12:24

Platform

win11-20240221-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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 2420 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 2420 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 2420 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
PID 756 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 756 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 756 wrote to memory of 1996 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 756 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 756 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
PID 756 wrote to memory of 4340 N/A C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe

"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"

C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$400D4,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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 bvdqumg.com udp
MD 45.142.214.240:80 bvdqumg.com tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/2420-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-M8KTS.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

MD5 92f7775908bb12183914bb0753782913
SHA1 8d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256 a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA512 7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

memory/756-6-0x0000000000760000-0x0000000000761000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-17P8L.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 5ffe03ef8ea14e8eb03b25ff8774faf5
SHA1 04dc42e2d536544e12f42e4738a620b19c1fc92a
SHA256 6d70c8259e3353f22a0dcb44f9aaa19c6be593ca6f330d0161bda73480b6fbf7
SHA512 66a7b907074d78033b59e47e5912975e70ac28df01d8261a6cbed0b769da255f5df64755246ee65bcf9b9c1369eb71698ba5fd94212ca876d15694bbac1f5155

memory/1996-38-0x0000000000400000-0x000000000060B000-memory.dmp

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

MD5 ecd25bbe932879f7b1104322f0338e11
SHA1 03e574a7f06a85bc0cbbabfb86e1cfb621031056
SHA256 31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811
SHA512 e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

memory/1996-41-0x0000000000400000-0x000000000060B000-memory.dmp

memory/1996-42-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-45-0x0000000000400000-0x000000000060B000-memory.dmp

memory/2420-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/756-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4340-48-0x0000000000400000-0x000000000060B000-memory.dmp

memory/756-49-0x0000000000760000-0x0000000000761000-memory.dmp

memory/4340-52-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-53-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-56-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-59-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-62-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-65-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-67-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/4340-66-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/4340-73-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-76-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-77-0x0000000000900000-0x00000000009A2000-memory.dmp

memory/4340-80-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-83-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-86-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-89-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-93-0x0000000000400000-0x000000000060B000-memory.dmp

memory/4340-96-0x0000000000400000-0x000000000060B000-memory.dmp