Malware Analysis Report

2024-10-10 10:39

Sample ID 240616-fbcdxstfnq
Target ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a
SHA256 ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a
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

ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a

Threat Level: Known bad

The file ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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 04:41

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 04:41

Reported

2024-06-16 04:44

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.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-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2944 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 2944 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 2944 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 1412 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 1412 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 1412 wrote to memory of 3224 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 1412 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 1412 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 1412 wrote to memory of 4232 N/A C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe

"C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"

C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

"C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp" /SL5="$4022E,5634076,54272,C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 buudink.com udp
TR 94.156.8.80:80 buudink.com tcp
US 8.8.8.8:53 90.250.155.45.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

Files

memory/2944-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2944-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PVE3D.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

MD5 a53cd7f9f154eefaf6ff191bb4d65be5
SHA1 f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff
SHA256 4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35
SHA512 327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1412-19-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

MD5 56ceaa1ba076530f2682803533cbce9c
SHA1 bf2078e25213a9e5fd7509f3871f0e02cc0cd252
SHA256 7904d62c179160ff754f1f1e862e0cc9c21d6610bee1515aa1fe4c85639f9eb3
SHA512 869f088b6b786972b9e75da058d5f1d13c3cf6287cbe5a146d24e284a0934b1ed814aea0144b8c94e70ad12ab5993989ba8110ab460a93eba15dc995ae90eb07

memory/3224-65-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3224-68-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3224-70-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-73-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2944-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1412-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4232-76-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-79-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-82-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-85-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-88-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-91-0x0000000002580000-0x0000000002622000-memory.dmp

memory/4232-94-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-99-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-102-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-105-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-108-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-111-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-114-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-116-0x0000000002580000-0x0000000002622000-memory.dmp

memory/4232-115-0x0000000002580000-0x0000000002622000-memory.dmp

memory/4232-120-0x0000000000400000-0x0000000000742000-memory.dmp

memory/4232-123-0x0000000000400000-0x0000000000742000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 04:41

Reported

2024-06-16 04:44

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.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 152.89.198.214 N/A N/A
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-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 348 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 1300 wrote to memory of 348 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 1300 wrote to memory of 348 N/A C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp
PID 348 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 348 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 348 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 348 wrote to memory of 3096 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 348 wrote to memory of 3096 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
PID 348 wrote to memory of 3096 N/A C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe

"C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"

C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp" /SL5="$80178,5634076,54272,C:\Users\Admin\AppData\Local\Temp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 52.111.229.48:443 tcp
LT 91.211.247.248:53 cstucpo.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 cstucpo.net udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
LT 91.211.247.248:53 cstucpo.net udp

Files

memory/1300-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1300-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LMCIB.tmp\ed893f9526bcacb73f703e799946d0ab8274e3c74d38d1ab21dff1018b171f1a.tmp

MD5 a53cd7f9f154eefaf6ff191bb4d65be5
SHA1 f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff
SHA256 4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35
SHA512 327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

memory/348-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-IJL9J.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-IJL9J.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 56ceaa1ba076530f2682803533cbce9c
SHA1 bf2078e25213a9e5fd7509f3871f0e02cc0cd252
SHA256 7904d62c179160ff754f1f1e862e0cc9c21d6610bee1515aa1fe4c85639f9eb3
SHA512 869f088b6b786972b9e75da058d5f1d13c3cf6287cbe5a146d24e284a0934b1ed814aea0144b8c94e70ad12ab5993989ba8110ab460a93eba15dc995ae90eb07

memory/2100-65-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2100-66-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2100-69-0x0000000000400000-0x0000000000742000-memory.dmp

memory/2100-71-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-73-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-75-0x0000000000400000-0x0000000000742000-memory.dmp

memory/1300-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/348-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3096-78-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-82-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-81-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-85-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-88-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-91-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-95-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3096-96-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-102-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-105-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-108-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-111-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-114-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-117-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-120-0x0000000000400000-0x0000000000742000-memory.dmp

memory/3096-123-0x0000000000400000-0x0000000000742000-memory.dmp