Malware Analysis Report

2024-10-10 10:40

Sample ID 240614-vy5fjszdka
Target 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46
SHA256 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46
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

60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46

Threat Level: Known bad

The file 60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46 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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 17:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 17:24

Reported

2024-06-14 17:27

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.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 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-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3680 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 3680 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 3680 wrote to memory of 3660 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 3660 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3660 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3660 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3660 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3660 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3660 wrote to memory of 4288 N/A C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe

"C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"

C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp" /SL5="$B0064,4935037,54272,C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
BE 2.17.107.129:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 129.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
NL 52.111.243.30:443 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
LT 91.211.247.248:53 csmqdyn.net udp
TR 94.156.8.80:80 csmqdyn.net tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp
US 8.8.8.8:53 40.173.79.40.in-addr.arpa udp

Files

memory/3680-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3680-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4J4GM.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

MD5 283da5c763c54b41092d9fe0d244b491
SHA1 d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256 339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512 306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

memory/3660-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-17SNS.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

MD5 cc35a7e7e939bdf7c4d6a82bf7a273e1
SHA1 3658005a42c4844ec98d7b8db1b1b17238749ccd
SHA256 458b2804c9c0d90e8cb98014abb6116729cd039785a694200c87cc10cde5a31b
SHA512 a3b4bfe639d47f95836a7e348d7c9dcbd4f16ee7efa794b0065a9a8a5c37f345107e2d4605d40ca9d7eb0cfaaf210a9d59e40befea5b21e353eacabc8bafb9a1

memory/4844-59-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4844-63-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4844-65-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-67-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4844-60-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-69-0x0000000000400000-0x000000000071A000-memory.dmp

memory/3680-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3660-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4288-72-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-75-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-76-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-79-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-82-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-85-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-88-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/4288-90-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-95-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-98-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-101-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-104-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-107-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-110-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-111-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/4288-112-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/4288-116-0x0000000000400000-0x000000000071A000-memory.dmp

memory/4288-119-0x0000000000400000-0x000000000071A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 17:24

Reported

2024-06-14 17:27

Platform

win11-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.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 91.211.247.248 N/A N/A
Destination IP 45.155.250.90 N/A N/A
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-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp
PID 3608 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3608 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3608 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3608 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3608 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
PID 3608 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe

"C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"

C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

"C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp" /SL5="$40234,4935037,54272,C:\Users\Admin\AppData\Local\Temp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.exe"

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
SE 45.155.250.90:53 bukjoqh.com udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
RU 152.89.198.214:53 bukjoqh.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 bukjoqh.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2492-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-D43AK.tmp\60e771519a9179744875287c7ac7d407d197169e7146d40327012f9dc6396b46.tmp

MD5 283da5c763c54b41092d9fe0d244b491
SHA1 d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256 339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512 306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

memory/3608-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MMAL1.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe

MD5 cc35a7e7e939bdf7c4d6a82bf7a273e1
SHA1 3658005a42c4844ec98d7b8db1b1b17238749ccd
SHA256 458b2804c9c0d90e8cb98014abb6116729cd039785a694200c87cc10cde5a31b
SHA512 a3b4bfe639d47f95836a7e348d7c9dcbd4f16ee7efa794b0065a9a8a5c37f345107e2d4605d40ca9d7eb0cfaaf210a9d59e40befea5b21e353eacabc8bafb9a1

memory/2404-59-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2404-60-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2404-64-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-67-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2492-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3608-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2004-70-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-73-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-76-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-79-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-82-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-83-0x0000000002580000-0x0000000002622000-memory.dmp

memory/2004-88-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-93-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-96-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-99-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-102-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-105-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-108-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-111-0x0000000000400000-0x000000000071A000-memory.dmp

memory/2004-114-0x0000000000400000-0x000000000071A000-memory.dmp