Malware Analysis Report

2024-10-10 10:39

Sample ID 240616-rnsr8azhlj
Target 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a
SHA256 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a
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

4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a

Threat Level: Known bad

The file 4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a 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

2024-06-16 14:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 14:20

Reported

2024-06-16 14:23

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.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-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2136 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2136 wrote to memory of 4424 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 4424 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4424 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4424 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4424 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4424 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4424 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe

"C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe"

C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp" /SL5="$501CA,5896568,54272,C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
BE 88.221.83.185:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 185.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.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 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
HK 141.98.234.31:53 bxseeto.com udp
TR 94.156.8.80:80 bxseeto.com tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/2136-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2136-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4POVA.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

memory/4424-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0IL6A.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-0IL6A.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 bd1870d8f9af8e99a5ddd0874f94adb8
SHA1 1d1c49504c28172885921d8797e2f1440ca354f4
SHA256 d846ab0fdfc520f18bbee8c6ef4b95740c325cb56f1e3a5611675e147d5d5bf7
SHA512 0bcfbb1326ff113261dfa51ce29596a1284b01e6974dcecd06bd2cfa31482705dad591109c4231a09aa457ef4f24938a70a09b39579bf50a0145a2c6ccd9f452

memory/2944-65-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/2944-66-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/2944-69-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/2944-71-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/2136-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4424-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3056-76-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-79-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-82-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-85-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-88-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-91-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/3056-95-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-98-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-101-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-104-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-107-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-110-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-113-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-114-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/3056-115-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/3056-119-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/3056-122-0x0000000000400000-0x00000000007C5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 14:20

Reported

2024-06-16 14:23

Platform

win11-20240611-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.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-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2300 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2300 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2300 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp
PID 2412 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 2412 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 2412 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 2412 wrote to memory of 5100 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 2412 wrote to memory of 5100 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 2412 wrote to memory of 5100 N/A C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe

"C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.exe"

C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

"C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp" /SL5="$70084,5896568,54272,C:\Users\Admin\AppData\Local\Temp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.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 bberdbo.com udp
TR 94.156.8.80:80 bberdbo.com tcp
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

Files

memory/2300-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2300-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-CMIP9.tmp\4138831b259e0e5f094f5303ce69ce41f8637b2042e7a1d11339a6cc92d5a67a.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

memory/2412-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-A770M.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-A770M.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 bd1870d8f9af8e99a5ddd0874f94adb8
SHA1 1d1c49504c28172885921d8797e2f1440ca354f4
SHA256 d846ab0fdfc520f18bbee8c6ef4b95740c325cb56f1e3a5611675e147d5d5bf7
SHA512 0bcfbb1326ff113261dfa51ce29596a1284b01e6974dcecd06bd2cfa31482705dad591109c4231a09aa457ef4f24938a70a09b39579bf50a0145a2c6ccd9f452

memory/4216-65-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/4216-68-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/4216-70-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-73-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/2300-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2412-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/5100-76-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-79-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-80-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-83-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-86-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-89-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-91-0x0000000000B40000-0x0000000000BE2000-memory.dmp

memory/5100-95-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-100-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-103-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-106-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-109-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-112-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-115-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-116-0x0000000000B40000-0x0000000000BE2000-memory.dmp

memory/5100-117-0x0000000000B40000-0x0000000000BE2000-memory.dmp

memory/5100-121-0x0000000000400000-0x00000000007C5000-memory.dmp

memory/5100-124-0x0000000000400000-0x00000000007C5000-memory.dmp