Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-e95mpathpj
Target b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77
SHA256 b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77

Threat Level: Known bad

The file b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

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

2024-06-25 04:39

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 04:39

Reported

2024-06-25 04:41

Platform

win11-20240611-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2276 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 2276 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 2276 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 1012 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1012 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1012 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1012 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1012 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1012 wrote to memory of 1216 N/A C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe

"C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe"

C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp

"C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp" /SL5="$40248,4730634,54272,C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
HK 141.98.234.31:53 csbmohq.net udp
TR 94.156.8.80:80 csbmohq.net tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp

Files

memory/2276-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2276-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-59LFC.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp

MD5 238c5fa30542908575851b341fbe0b7e
SHA1 15a1f7a8d667203e26831208e369166dd9ecfcd6
SHA256 0db1ae3354e41d13f432939fe3442017933dad4cf1bb275aee27abb4970eb909
SHA512 4468845c8383c1098e9ae7dd4105c929c07bed87c3d38c19bab728eaa59b9a12a90f37b785af9fabed5f81e14f8c58fc7cfd80542ccbbc310d2d0e10170057a1

memory/1012-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3M5N0.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 3404f39421d9d246ad05cf6bdac32bd2
SHA1 dc7c635d0f9cf0374167c9e0b1891dd7e35082e4
SHA256 a6bb2e4dbae179d0db5b67bc0c283c22d2b00734731ea2aecac909a38a9170bf
SHA512 e2c455a100df7699da79c539d82d417c87ea15b2ebc6100f8a118a0530d3a5fdd17c03af1d2dba8a621a582e04a1f0b314a4b3ab42333099916fe8a4ffdfae83

memory/1508-59-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1508-60-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1508-65-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1508-64-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-67-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-69-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/2276-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1012-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1216-72-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-75-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-76-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-79-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-82-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-85-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-88-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1216-89-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-95-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-98-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-101-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-104-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-107-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-110-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-112-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1216-111-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/1216-116-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1216-119-0x0000000000400000-0x00000000006BD000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 04:39

Reported

2024-06-25 04:41

Platform

win10v2004-20240611-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1808 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 1808 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 1808 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp
PID 1168 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1168 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1168 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1168 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1168 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1168 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe

"C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe"

C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp

"C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp" /SL5="$901C0,4730634,54272,C:\Users\Admin\AppData\Local\Temp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
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 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 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
HK 141.98.234.31:53 bvqmdci.com udp
TR 94.156.8.80:80 bvqmdci.com tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp

Files

memory/1808-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1808-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JJ835.tmp\b1966626c6386f4e9c6bc51c248562e1cb52c8fd7dad3e651fdb0cf24be2ad77.tmp

MD5 238c5fa30542908575851b341fbe0b7e
SHA1 15a1f7a8d667203e26831208e369166dd9ecfcd6
SHA256 0db1ae3354e41d13f432939fe3442017933dad4cf1bb275aee27abb4970eb909
SHA512 4468845c8383c1098e9ae7dd4105c929c07bed87c3d38c19bab728eaa59b9a12a90f37b785af9fabed5f81e14f8c58fc7cfd80542ccbbc310d2d0e10170057a1

C:\Users\Admin\AppData\Local\Temp\is-0A4EB.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1168-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 3404f39421d9d246ad05cf6bdac32bd2
SHA1 dc7c635d0f9cf0374167c9e0b1891dd7e35082e4
SHA256 a6bb2e4dbae179d0db5b67bc0c283c22d2b00734731ea2aecac909a38a9170bf
SHA512 e2c455a100df7699da79c539d82d417c87ea15b2ebc6100f8a118a0530d3a5fdd17c03af1d2dba8a621a582e04a1f0b314a4b3ab42333099916fe8a4ffdfae83

memory/2484-59-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/2484-60-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/2484-63-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-66-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/1808-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1168-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3152-70-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-73-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-76-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-79-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-82-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-85-0x0000000000930000-0x00000000009D2000-memory.dmp

memory/3152-89-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-92-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-95-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-98-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-101-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-104-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-107-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-108-0x0000000000930000-0x00000000009D2000-memory.dmp

memory/3152-109-0x0000000000930000-0x00000000009D2000-memory.dmp

memory/3152-113-0x0000000000400000-0x00000000006BD000-memory.dmp

memory/3152-116-0x0000000000400000-0x00000000006BD000-memory.dmp