Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-g1s9eaxelp
Target 304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2
SHA256 304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2
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

304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2

Threat Level: Known bad

The file 304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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

2024-06-25 06:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 06:16

Reported

2024-06-25 06:19

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.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-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 3412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 3412 wrote to memory of 2516 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 2516 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2516 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2516 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2516 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2516 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2516 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe

"C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe"

C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp

"C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp" /SL5="$A0046,4920826,54272,C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
HK 141.98.234.31:53 ckfleez.net udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
TR 94.156.8.80:80 ckfleez.net tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp

Files

memory/3412-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3412-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HQT44.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp

MD5 c887103e50c44eeb44492217bfaac65a
SHA1 8031cb0829e7709b8dd0dbd796572d35ba47b4d6
SHA256 8d4240309d8ea06c2b3bf6808c83f014c6bee9c188019251c9edf31699f0488f
SHA512 4a4bce3f0686b8c0a8cf4d5418e60dfd64d63bf2eee84a569b933d6c40980ea365cbc24df9190cb13ff04cc4bfd2bd64622ad990a435a1010c777d1d6a4f35d7

memory/2516-13-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 d1aa58659cf742b52c64e436fd44c8b9
SHA1 275397aa35f350b6ca954d8f6d77b1c8c67108e2
SHA256 5e6e8479ca647786df6bf2efdbcf3d25fe4147a1699ab91984dc071b4e0458f2
SHA512 ef241bf010e54be0195b07010f9581977dbad0a1a055c9c7b4cb921183f4df79cadc4ef0a8b3aa0df8a101cc7ad30bf79327e735b47734132f2d81053166dd18

memory/3180-59-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/3180-60-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/3180-65-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/3180-63-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-68-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/3412-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2516-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4432-71-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-74-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-77-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-80-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-83-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-86-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4432-90-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-93-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-96-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-99-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-102-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-105-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-108-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-109-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4432-110-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/4432-114-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/4432-117-0x0000000000400000-0x00000000006F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 06:16

Reported

2024-06-25 06:19

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.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-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2540 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 2540 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 2540 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp
PID 4684 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4684 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4684 wrote to memory of 2328 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4684 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4684 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4684 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe

"C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.exe"

C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp

"C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp" /SL5="$4022E,4920826,54272,C:\Users\Admin\AppData\Local\Temp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.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
HK 141.98.234.31:53 cchekni.net udp
TR 94.156.8.80:80 cchekni.net tcp
CH 176.10.111.158:2023 tcp
US 8.8.8.8:53 158.111.10.176.in-addr.arpa udp

Files

memory/2540-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2540-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-Q4FM7.tmp\304b5bdaeefe3d5b3d25bc4591aa9b2836d82511601843c9bad15089ef7ffff2.tmp

MD5 c887103e50c44eeb44492217bfaac65a
SHA1 8031cb0829e7709b8dd0dbd796572d35ba47b4d6
SHA256 8d4240309d8ea06c2b3bf6808c83f014c6bee9c188019251c9edf31699f0488f
SHA512 4a4bce3f0686b8c0a8cf4d5418e60dfd64d63bf2eee84a569b933d6c40980ea365cbc24df9190cb13ff04cc4bfd2bd64622ad990a435a1010c777d1d6a4f35d7

C:\Users\Admin\AppData\Local\Temp\is-KT7KU.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4684-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 d1aa58659cf742b52c64e436fd44c8b9
SHA1 275397aa35f350b6ca954d8f6d77b1c8c67108e2
SHA256 5e6e8479ca647786df6bf2efdbcf3d25fe4147a1699ab91984dc071b4e0458f2
SHA512 ef241bf010e54be0195b07010f9581977dbad0a1a055c9c7b4cb921183f4df79cadc4ef0a8b3aa0df8a101cc7ad30bf79327e735b47734132f2d81053166dd18

memory/2328-59-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2328-63-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2328-60-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2328-65-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-68-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2540-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4684-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2896-71-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-74-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-75-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-78-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-81-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-84-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp

memory/2896-90-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-95-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-98-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-101-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-104-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-107-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-110-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-112-0x0000000000B30000-0x0000000000BD2000-memory.dmp

memory/2896-111-0x0000000000B30000-0x0000000000BD2000-memory.dmp

memory/2896-116-0x0000000000400000-0x00000000006F4000-memory.dmp

memory/2896-119-0x0000000000400000-0x00000000006F4000-memory.dmp