Malware Analysis Report

2024-10-10 10:40

Sample ID 240609-fpw1gseg78
Target 32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168
SHA256 32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168
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

32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168

Threat Level: Known bad

The file 32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168 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

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-09 05:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 05:03

Reported

2024-06-09 05:06

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.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-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1052 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 1052 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 1052 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 2216 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 2216 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 2216 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 2216 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 2216 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 2216 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

Processes

C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe

"C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe"

C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp

"C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp" /SL5="$70066,4608184,54272,C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe"

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -i

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
SE 45.155.250.90:53 cecuqyp.net udp
BG 93.123.39.193:80 cecuqyp.net tcp
RO 45.11.181.104:2023 tcp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 104.181.11.45.in-addr.arpa udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

memory/1052-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1052-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-CF66P.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp

MD5 2c9ec59f4f0ec997951b3bcf2dae943f
SHA1 bf8cf3957867023f8f3a3494a9cf873f48da4628
SHA256 c8f228ac4927de36a1a96e75c025094df102b39385ac0abf1a51ae54d0b4d7a4
SHA512 2b9b89143be87d15b86b6d105f658d9d296f74d712a793d705f6f2e23f46de1d8ad4842e04f5811dcf0020ab78a09cda966a0b164419611d96f592c0c5054e8e

memory/2216-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-7GELJ.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

MD5 c145ec37ae851694e4960fc7f3e7c8a7
SHA1 584977dad1577ac43cefd38752e19b8a5baff131
SHA256 c2bcb03b8f2110afc95598d42d581667e208824adec38b5fa3fd7887cfb61de4
SHA512 17f976d00f327a736a43910abfff9ea9d9f8a204d99091aefb98570fbb0ab3898c478a0c2acab65622831ab17a220fbe2ca110cac601862d634c3b960412229e

memory/2604-59-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/2604-60-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/2604-64-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/2604-63-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-67-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/1052-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2216-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/908-70-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-73-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-76-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-79-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-82-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-86-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/908-87-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-93-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-96-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-99-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-102-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-105-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-108-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-110-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/908-109-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/908-114-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/908-117-0x0000000000400000-0x00000000006A8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 05:03

Reported

2024-06-09 05:06

Platform

win11-20240426-en

Max time kernel

122s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.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 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-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4996 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 4996 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 4996 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp
PID 3128 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 3128 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 3128 wrote to memory of 3888 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 3128 wrote to memory of 3872 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 3128 wrote to memory of 3872 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe
PID 3128 wrote to memory of 3872 N/A C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

Processes

C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe

"C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe"

C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp

"C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp" /SL5="$701EE,4608184,54272,C:\Users\Admin\AppData\Local\Temp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.exe"

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -i

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 bnrewcr.com udp
BG 93.123.39.193:80 bnrewcr.com tcp
CH 176.10.111.158:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp

Files

memory/4996-3-0x0000000000401000-0x000000000040B000-memory.dmp

memory/4996-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-5IGL2.tmp\32c3a85f7fe86558307ec696290e99d33e0f4e552ea2036e83ea52968ede5168.tmp

MD5 2c9ec59f4f0ec997951b3bcf2dae943f
SHA1 bf8cf3957867023f8f3a3494a9cf873f48da4628
SHA256 c8f228ac4927de36a1a96e75c025094df102b39385ac0abf1a51ae54d0b4d7a4
SHA512 2b9b89143be87d15b86b6d105f658d9d296f74d712a793d705f6f2e23f46de1d8ad4842e04f5811dcf0020ab78a09cda966a0b164419611d96f592c0c5054e8e

memory/3128-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-334SF.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard.exe

MD5 c145ec37ae851694e4960fc7f3e7c8a7
SHA1 584977dad1577ac43cefd38752e19b8a5baff131
SHA256 c2bcb03b8f2110afc95598d42d581667e208824adec38b5fa3fd7887cfb61de4
SHA512 17f976d00f327a736a43910abfff9ea9d9f8a204d99091aefb98570fbb0ab3898c478a0c2acab65622831ab17a220fbe2ca110cac601862d634c3b960412229e

memory/3888-59-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3888-65-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3888-64-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-68-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3888-60-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/4996-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3128-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3872-71-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-74-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-77-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-80-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-83-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-84-0x00000000027F0000-0x0000000002892000-memory.dmp

memory/3872-88-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-94-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-97-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-100-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-103-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-106-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-109-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-111-0x00000000027F0000-0x0000000002892000-memory.dmp

memory/3872-110-0x00000000027F0000-0x0000000002892000-memory.dmp

memory/3872-115-0x0000000000400000-0x00000000006A8000-memory.dmp

memory/3872-118-0x0000000000400000-0x00000000006A8000-memory.dmp