Malware Analysis Report

2024-10-10 10:39

Sample ID 240616-m6lz6s1bqd
Target 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc
SHA256 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc
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

27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc

Threat Level: Known bad

The file 27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 11:04

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 11:04

Reported

2024-06-16 11:07

Platform

win11-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.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 91.211.247.248 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-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1876 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 1876 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 1876 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 3728 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3728 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3728 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3728 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3728 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3728 wrote to memory of 4164 N/A C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe

"C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"

C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

"C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp" /SL5="$60248,5723780,54272,C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s

Network

Country Destination Domain Proto
LT 91.211.247.248:53 ccixdim.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 ccixdim.net udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 ccixdim.net udp

Files

memory/1876-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/1876-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NCKGQ.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

C:\Users\Admin\AppData\Local\Temp\is-4R4K6.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/3728-22-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4R4K6.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

MD5 cde5589dbd55275f77e8396ba30596a3
SHA1 f4bb2df083be461056b99c928f9a6beeba940f5d
SHA256 447c9212fd652e3811e9dc7b6e39fae2e066d2a74beec7fd9679b3672a2f0b32
SHA512 d5942e8e917b2fb869c3d6021e79a432e50395cf499dd8de8a90d200d34d7b7aa267cb56cee4f0070a0cf72d0e220a472bfef5ad4f377363341f7dded758d1b3

memory/3880-65-0x0000000000400000-0x0000000000796000-memory.dmp

memory/3880-66-0x0000000000400000-0x0000000000796000-memory.dmp

memory/3880-69-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-73-0x0000000000400000-0x0000000000796000-memory.dmp

memory/1876-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3728-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4164-76-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-79-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-82-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-85-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-88-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-89-0x00000000025D0000-0x0000000002672000-memory.dmp

memory/4164-94-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-99-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-102-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-105-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-108-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-111-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-114-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-117-0x0000000000400000-0x0000000000796000-memory.dmp

memory/4164-120-0x0000000000400000-0x0000000000796000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 11:04

Reported

2024-06-16 11:07

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.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 91.211.247.248 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-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2012 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 2012 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 2012 wrote to memory of 3868 N/A C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp
PID 3868 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3868 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3868 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3868 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3868 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 3868 wrote to memory of 2204 N/A C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe

"C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"

C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

"C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp" /SL5="$A01D0,5723780,54272,C:\Users\Admin\AppData\Local\Temp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.exe"

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s

Network

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

Files

memory/2012-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2012-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-BJHTS.tmp\27ef05a18081377d08279b7337500eadcf6c60e461cb6e84d6d5d758afa696dc.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

C:\Users\Admin\AppData\Local\Temp\is-8CID3.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/3868-19-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8CID3.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

MD5 cde5589dbd55275f77e8396ba30596a3
SHA1 f4bb2df083be461056b99c928f9a6beeba940f5d
SHA256 447c9212fd652e3811e9dc7b6e39fae2e066d2a74beec7fd9679b3672a2f0b32
SHA512 d5942e8e917b2fb869c3d6021e79a432e50395cf499dd8de8a90d200d34d7b7aa267cb56cee4f0070a0cf72d0e220a472bfef5ad4f377363341f7dded758d1b3

memory/2584-65-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2584-66-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2584-71-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2584-69-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-74-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2012-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3868-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2204-77-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-80-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-83-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-86-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-89-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-92-0x0000000002590000-0x0000000002632000-memory.dmp

memory/2204-94-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-99-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-102-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-105-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-108-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-111-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-114-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-117-0x0000000000400000-0x0000000000796000-memory.dmp

memory/2204-120-0x0000000000400000-0x0000000000796000-memory.dmp