Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-zdk9dsyhkh
Target e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592
SHA256 e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592
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

e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592

Threat Level: Known bad

The file e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

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

2024-06-10 20:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 20:36

Reported

2024-06-10 20:38

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.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 141.98.234.31 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-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2620 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 2620 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 2620 wrote to memory of 4064 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 4064 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4064 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4064 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4064 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4064 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4064 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe

"C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe"

C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp" /SL5="$7011E,4710995,54272,C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s

Network

Country Destination Domain Proto
US 23.53.113.159:80 tcp
HK 141.98.234.31:53 bxhvide.com udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
RU 152.89.198.214:53 bxhvide.com udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 bxhvide.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2620-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2620-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FUTR7.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

C:\Users\Admin\AppData\Local\Temp\is-BS2A7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4064-14-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

MD5 20aedea04db72b4f15f5bb4b7333d65c
SHA1 67dd86d3250551d866603d7460ca41049bcdbdb5
SHA256 17773733ae280a2bebccbbf885508227046f25daa7cf0b068ba78ed00623ed80
SHA512 6d854cacb3da17a4a3e5b1d796628648030aa92d9b013979a9d43eb700bb09b8dd5e0664aed2e793465feba69e1c5a5bffd9f88c454c10322ce4962982d5e30c

memory/3256-59-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/3256-60-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/3256-65-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/3256-63-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-67-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-69-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/2620-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4064-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4836-72-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-75-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-76-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-79-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-82-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-85-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-90-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-88-0x0000000000970000-0x0000000000A12000-memory.dmp

memory/4836-96-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-99-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-102-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-105-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-108-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-111-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-114-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4836-117-0x0000000000400000-0x00000000006D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 20:36

Reported

2024-06-10 20:38

Platform

win11-20240426-en

Max time kernel

142s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.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-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 1800 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 1800 wrote to memory of 1412 N/A C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp
PID 1412 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1412 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1412 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1412 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1412 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1412 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe

"C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe"

C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp

"C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp" /SL5="$40224,4710995,54272,C:\Users\Admin\AppData\Local\Temp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s

Network

Country Destination Domain Proto
LT 91.211.247.248:53 aaeefmb.ru udp
BG 93.123.39.193:80 aaeefmb.ru tcp
FR 195.154.174.12:2023 tcp
US 8.8.8.8:53 12.174.154.195.in-addr.arpa udp

Files

memory/1800-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1800-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-H1NBR.tmp\e7d7ab5931cc59dbffa5f5f90131b4bc41306bbd0e536624d2a7e54a57f1f592.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/1412-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

MD5 20aedea04db72b4f15f5bb4b7333d65c
SHA1 67dd86d3250551d866603d7460ca41049bcdbdb5
SHA256 17773733ae280a2bebccbbf885508227046f25daa7cf0b068ba78ed00623ed80
SHA512 6d854cacb3da17a4a3e5b1d796628648030aa92d9b013979a9d43eb700bb09b8dd5e0664aed2e793465feba69e1c5a5bffd9f88c454c10322ce4962982d5e30c

memory/1672-59-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/1672-64-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/1672-63-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-67-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/1800-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1412-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4824-70-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-73-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-76-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-79-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-82-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-85-0x00000000024B0000-0x0000000002552000-memory.dmp

memory/4824-88-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-93-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-96-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-99-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-102-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-105-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-108-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-110-0x00000000024B0000-0x0000000002552000-memory.dmp

memory/4824-109-0x00000000024B0000-0x0000000002552000-memory.dmp

memory/4824-114-0x0000000000400000-0x00000000006D6000-memory.dmp

memory/4824-117-0x0000000000400000-0x00000000006D6000-memory.dmp