Malware Analysis Report

2024-11-15 04:58

Sample ID 240624-rsdtvswgpa
Target 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f
SHA256 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f
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

8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f

Threat Level: Known bad

The file 8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-24 14:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 14:27

Reported

2024-06-24 14:29

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"

Signatures

Detect Socks5Systemz Payload

Description Indicator Process Target
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
Destination IP 152.89.198.214 N/A N/A
Destination IP 91.211.247.248 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1392 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 1392 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 1392 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 2688 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2688 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2688 wrote to memory of 4736 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2688 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2688 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2688 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe

"C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"

C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp" /SL5="$B004E,4940198,54272,C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 cemstqk.net udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 cemstqk.net udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
LT 91.211.247.248:53 cemstqk.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/1392-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1392-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JCMVE.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp

MD5 a84057e0e5035c21319872763d8b273c
SHA1 b90e1b689d755299e31ffb849238a9dd16f6ff99
SHA256 709f24fc9f26e097daa98410a38e37ab7328e1ed86aca88cb99e841a96b2b08f
SHA512 987b38ad52b0888ebd0cbd25fc857bc0251e99edc7835cb8ccafd16d7d5ace935b148984c6cdf469b898db36614369d8996b8fec97b91eeee2db264d1c5f5ab2

C:\Users\Admin\AppData\Local\Temp\is-88TKN.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2688-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 53214fb200ab0d411c9ad05d2e2b012c
SHA1 05f1e1e008be65c384b8ad93854504d658686707
SHA256 5992206c8b576be2c65009b544db4827ae4e296dcddb75b855d3c3904fe8f471
SHA512 4cab62de32cb0e871ca8678a60faf76df03ce40b04ad0c167bbc54dcd5a8ba90be3e849e1ba6aa4968065fad27e0f8b726a2ecc59daebf12a9c6d6472f552109

memory/4736-59-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4736-60-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4736-63-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4736-65-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/1392-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2688-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4788-70-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-73-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-76-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-79-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-82-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-85-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/4788-87-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-92-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-95-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-98-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-101-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-104-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-107-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-110-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/4788-113-0x0000000000400000-0x00000000006FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 14:27

Reported

2024-06-24 14:29

Platform

win11-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.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

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3444 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 3444 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 3444 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
PID 2340 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2340 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2340 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2340 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2340 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
PID 2340 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe

"C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"

C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp" /SL5="$60072,4940198,54272,C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 152.89.198.214:53 ezyquon.ua udp
TR 94.156.8.80:80 ezyquon.ua tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp

Files

memory/3444-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3444-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp

MD5 a84057e0e5035c21319872763d8b273c
SHA1 b90e1b689d755299e31ffb849238a9dd16f6ff99
SHA256 709f24fc9f26e097daa98410a38e37ab7328e1ed86aca88cb99e841a96b2b08f
SHA512 987b38ad52b0888ebd0cbd25fc857bc0251e99edc7835cb8ccafd16d7d5ace935b148984c6cdf469b898db36614369d8996b8fec97b91eeee2db264d1c5f5ab2

memory/2340-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

MD5 53214fb200ab0d411c9ad05d2e2b012c
SHA1 05f1e1e008be65c384b8ad93854504d658686707
SHA256 5992206c8b576be2c65009b544db4827ae4e296dcddb75b855d3c3904fe8f471
SHA512 4cab62de32cb0e871ca8678a60faf76df03ce40b04ad0c167bbc54dcd5a8ba90be3e849e1ba6aa4968065fad27e0f8b726a2ecc59daebf12a9c6d6472f552109

memory/2068-59-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/2068-62-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/2068-60-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/2068-65-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-67-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-69-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/3444-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2340-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/904-72-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-75-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-76-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-79-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-82-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-85-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-88-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/904-91-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-96-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-99-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-102-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-105-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-108-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-111-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-113-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/904-112-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/904-117-0x0000000000400000-0x00000000006FA000-memory.dmp

memory/904-120-0x0000000000400000-0x00000000006FA000-memory.dmp