Malware Analysis Report

2025-08-05 23:58

Sample ID 240324-xcmdyseg99
Target 01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77
SHA256 01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77
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

01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77

Threat Level: Known bad

The file 01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77 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

2024-03-24 18:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 18:42

Reported

2024-03-24 18:45

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.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 2376 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 2376 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 2376 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 1472 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1472 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1472 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1472 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1472 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 1472 wrote to memory of 2968 N/A C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe

"C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"

C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp" /SL5="$6004A,1762749,54272,C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
RU 152.89.198.214:53 aidmngn.ru udp
MD 45.142.214.240:80 aidmngn.ru tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 240.214.142.45.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/2376-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2376-2-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LUEQ8.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/1472-7-0x0000000002200000-0x0000000002201000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-INF9G.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 60f9c5a74ac1ec0aec4e4b4a4d139486
SHA1 cfdaace9ecd3a8ad68af2d3758fa53d1de39d0df
SHA256 e5f000773b88a971d8039e00957cad8fabef01bf3db09b2f151cdf5d43576d84
SHA512 50594bb2c97cb439c3ba75880f4005dbf034eafbb16fcd58a218969b443ddcb512ec83e8619c2ba6d35b580f0df82085a055daf19192b985c594ebc69a2fc965

memory/2744-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2744-39-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2744-42-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2744-43-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-46-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2376-47-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1472-48-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/2968-49-0x0000000000400000-0x0000000000601000-memory.dmp

memory/1472-50-0x0000000002200000-0x0000000002201000-memory.dmp

memory/2968-53-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-54-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-57-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-60-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-63-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-65-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/2968-68-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-69-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/2968-74-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-77-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-78-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/2968-81-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-84-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-87-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-90-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-91-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/2968-92-0x00000000008B0000-0x0000000000952000-memory.dmp

memory/2968-96-0x0000000000400000-0x0000000000601000-memory.dmp

memory/2968-99-0x0000000000400000-0x0000000000601000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 18:42

Reported

2024-03-24 18:45

Platform

win11-20240221-en

Max time kernel

141s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.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 3604 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 3604 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 3604 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp
PID 564 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 564 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 564 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 564 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 564 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe
PID 564 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe

"C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"

C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp

"C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp" /SL5="$50208,1762749,54272,C:\Users\Admin\AppData\Local\Temp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.exe"

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
HK 141.98.234.31:53 bguarxw.com udp
MD 45.142.214.240:80 bguarxw.com tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/3604-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-R2IRN.tmp\01781dde8e2b2ad5eea14fb491b32ec0a6a347fac2c2f47f7b5d550a9c52df77.tmp

MD5 5a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1 fe86894c4757c144449bc744649b7fb9e03346f1
SHA256 d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512 a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af

memory/564-6-0x0000000002300000-0x0000000002301000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-OJ734.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 a627dbe5b2a5925605cc8ee498e44511
SHA1 4e266bbe66e9cff006d810266843f739ac1b7138
SHA256 1f4bedbe1fc869177968430331ea29836770463da7665f085f40f47eb3e3a5a1
SHA512 a19e21c43996180933bf1a1eac42a4da9b7f59027b2f2f48d07e77509ac7a60c0a7b6165a16d1cff356947ebda55ef9feb237bbd3257596100ed0d4caf977a35

memory/3984-38-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3984-37-0x0000000000400000-0x0000000000601000-memory.dmp

C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe

MD5 60f9c5a74ac1ec0aec4e4b4a4d139486
SHA1 cfdaace9ecd3a8ad68af2d3758fa53d1de39d0df
SHA256 e5f000773b88a971d8039e00957cad8fabef01bf3db09b2f151cdf5d43576d84
SHA512 50594bb2c97cb439c3ba75880f4005dbf034eafbb16fcd58a218969b443ddcb512ec83e8619c2ba6d35b580f0df82085a055daf19192b985c594ebc69a2fc965

memory/3984-41-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3984-42-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-45-0x0000000000400000-0x0000000000601000-memory.dmp

memory/3604-46-0x0000000000400000-0x0000000000414000-memory.dmp

memory/564-47-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/4440-48-0x0000000000400000-0x0000000000601000-memory.dmp

memory/564-49-0x0000000002300000-0x0000000002301000-memory.dmp

memory/4440-52-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-53-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-56-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-59-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-62-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-64-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4440-66-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-68-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4440-73-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-76-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-77-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4440-80-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-83-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-86-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-89-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-90-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4440-91-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4440-95-0x0000000000400000-0x0000000000601000-memory.dmp

memory/4440-98-0x0000000000400000-0x0000000000601000-memory.dmp