Malware Analysis Report

2025-08-06 01:28

Sample ID 240811-hcydwsyeqq
Target e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5
SHA256 e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5
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

e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5

Threat Level: Known bad

The file e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5 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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 06:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 06:36

Reported

2024-08-11 06:38

Platform

win10v2004-20240802-en

Max time kernel

144s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.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 152.89.198.214 N/A N/A

Checks installed software on the system

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3968 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 3968 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 3968 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 4332 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 4332 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 4332 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 4332 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 4332 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 4332 wrote to memory of 3488 N/A C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe

"C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"

C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp

"C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp" /SL5="$901C8,3564649,54272,C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.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 --field-trial-handle=4372,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=1016 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 152.89.198.214:53 bgiamqc.com udp
CH 185.196.8.214:80 bgiamqc.com tcp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/3968-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3968-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-STUQU.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp

MD5 3e58a9d5830b25c2662c530eb10f9fd5
SHA1 de246ec71a420cb6097dad238df4194c6ea193cb
SHA256 da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb
SHA512 8cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f

memory/4332-12-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NQV1M.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

MD5 8b7a8300632f55fcb6514d0b5cb8d264
SHA1 ea1aade42e099613bd82700f47ffd96d9a513d70
SHA256 30fb534ee2d55b0035d13ce9a194369a107e4fe9c1d519afebfc62fb674d1f36
SHA512 48ac973533534659f7792501d77601becfb6c2dcf529503e43a4aea27f9a764c376fc82ad1f2625c80b3f6fa8afbb5ec5e8694a542be45cfd7acc28c0d5cbd80

memory/2816-52-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/2816-53-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/2816-54-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/2816-56-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-58-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3968-60-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4332-61-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3488-62-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-65-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-68-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-71-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-74-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-77-0x0000000000AE0000-0x0000000000B82000-memory.dmp

memory/3488-79-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-84-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-87-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-90-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-93-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-96-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-99-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-101-0x0000000000AE0000-0x0000000000B82000-memory.dmp

memory/3488-102-0x0000000000AE0000-0x0000000000B82000-memory.dmp

memory/3488-105-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3488-108-0x0000000000400000-0x00000000007E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 06:36

Reported

2024-08-11 06:38

Platform

win11-20240802-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.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 152.89.198.214 N/A N/A

Checks installed software on the system

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 336 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 336 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 336 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp
PID 3936 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 3936 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 3936 wrote to memory of 3280 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 3936 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 3936 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
PID 3936 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe

"C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"

C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp

"C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp" /SL5="$C0168,3564649,54272,C:\Users\Admin\AppData\Local\Temp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.exe"

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 bguluxs.com udp
CH 185.196.8.214:80 bguluxs.com tcp
NL 45.156.23.96:2023 tcp

Files

memory/336-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/336-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-964LV.tmp\e2739f62ff16130a225758540a9978734a8ca37d003f134ea2b763ccbda7a2c5.tmp

MD5 3e58a9d5830b25c2662c530eb10f9fd5
SHA1 de246ec71a420cb6097dad238df4194c6ea193cb
SHA256 da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb
SHA512 8cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f

memory/3936-7-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6MOTC.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

MD5 8b7a8300632f55fcb6514d0b5cb8d264
SHA1 ea1aade42e099613bd82700f47ffd96d9a513d70
SHA256 30fb534ee2d55b0035d13ce9a194369a107e4fe9c1d519afebfc62fb674d1f36
SHA512 48ac973533534659f7792501d77601becfb6c2dcf529503e43a4aea27f9a764c376fc82ad1f2625c80b3f6fa8afbb5ec5e8694a542be45cfd7acc28c0d5cbd80

memory/3280-55-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3280-56-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3280-54-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3280-52-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-59-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/336-60-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3936-61-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1988-62-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/3280-64-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-66-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-69-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-72-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-75-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-78-0x0000000000B00000-0x0000000000BA2000-memory.dmp

memory/1988-80-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-86-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-89-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-92-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-95-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-98-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-101-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-104-0x0000000000400000-0x00000000007E0000-memory.dmp

memory/1988-105-0x0000000000B00000-0x0000000000BA2000-memory.dmp

memory/1988-106-0x0000000000B00000-0x0000000000BA2000-memory.dmp

memory/1988-110-0x0000000000400000-0x00000000007E0000-memory.dmp