Malware Analysis Report

2024-10-10 10:39

Sample ID 240616-sst2hsybqe
Target 90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725
SHA256 90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725
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

90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725

Threat Level: Known bad

The file 90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725 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

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 15:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 15:23

Reported

2024-06-16 15:26

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.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

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-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4268 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 4268 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 4268 wrote to memory of 1208 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 1208 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 1208 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 1208 wrote to memory of 3728 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 1208 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 1208 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 1208 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe

"C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe"

C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp

"C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp" /SL5="$401CA,5907162,54272,C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.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 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
LT 91.211.247.248:53 bgatcib.com udp
TR 94.156.8.80:80 bgatcib.com tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp

Files

memory/4268-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/4268-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-BN56G.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

memory/1208-12-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 d89d68221501b93edb9f1edbe506390c
SHA1 cf34939739891b18886e254512c64fccd577c039
SHA256 4882f8c6be3995fcfe8cb405698631c5e305746563cf7f5032ab85cde925cf56
SHA512 7532c0fe3eb89583a3a93fa8e66f463bbbcf5ef822b3568768f26fb2876957ace42b8825380cadd1654f10c1515c1fac7e009a068dbeca54f7e37492f2882215

memory/3728-65-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/3728-66-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/3728-70-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/3728-69-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/4268-73-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1208-74-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2244-75-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-78-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-81-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-84-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-87-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-90-0x0000000000AB0000-0x0000000000B52000-memory.dmp

memory/2244-92-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-97-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-100-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-103-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-106-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-109-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-113-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-116-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/2244-119-0x0000000000400000-0x00000000007C7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 15:23

Reported

2024-06-16 15:26

Platform

win11-20240611-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.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 45.155.250.90 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-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4200 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 4200 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 4200 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp
PID 4524 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4524 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4524 wrote to memory of 4452 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4524 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4524 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
PID 4524 wrote to memory of 1540 N/A C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe

"C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.exe"

C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp

"C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp" /SL5="$10004C,5907162,54272,C:\Users\Admin\AppData\Local\Temp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.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
SE 45.155.250.90:53 ejfptuc.ua udp
TR 94.156.8.80:80 ejfptuc.ua tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/4200-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4200-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-VEKJ2.tmp\90b21413b8210b0818c42e260018d7cf4e1ff146a0af56797ab1e1d88dac8725.tmp

MD5 40338aef9b322249896e762a5b73c94d
SHA1 dc401c87db8601ddf9eba26566cc5d6a32c0b390
SHA256 1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3
SHA512 5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

memory/4524-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NQB95.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-NQB95.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 d89d68221501b93edb9f1edbe506390c
SHA1 cf34939739891b18886e254512c64fccd577c039
SHA256 4882f8c6be3995fcfe8cb405698631c5e305746563cf7f5032ab85cde925cf56
SHA512 7532c0fe3eb89583a3a93fa8e66f463bbbcf5ef822b3568768f26fb2876957ace42b8825380cadd1654f10c1515c1fac7e009a068dbeca54f7e37492f2882215

memory/4452-65-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/4452-69-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/4452-66-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/4452-71-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-74-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-75-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/4200-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4524-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1540-78-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-81-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-82-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-85-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-88-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-91-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-94-0x0000000000B60000-0x0000000000C02000-memory.dmp

memory/1540-95-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-101-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-104-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-107-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-110-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-113-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-116-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-118-0x0000000000B60000-0x0000000000C02000-memory.dmp

memory/1540-117-0x0000000000B60000-0x0000000000C02000-memory.dmp

memory/1540-122-0x0000000000400000-0x00000000007C7000-memory.dmp

memory/1540-125-0x0000000000400000-0x00000000007C7000-memory.dmp