Malware Analysis Report

2025-08-11 07:17

Sample ID 240803-hze6tswepn
Target 684470300c4b90bbb227c45a182ac650N.exe
SHA256 6cf660335530817ddbf899f3b37d846937262a7212e24ce6313c0790fd8fe132
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

6cf660335530817ddbf899f3b37d846937262a7212e24ce6313c0790fd8fe132

Threat Level: Known bad

The file 684470300c4b90bbb227c45a182ac650N.exe was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 07:10

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 07:10

Reported

2024-08-03 07:12

Platform

win10v2004-20240802-en

Max time kernel

112s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Checks installed software on the system

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3216 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 3216 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 3216 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 4740 wrote to memory of 116 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 4740 wrote to memory of 116 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 4740 wrote to memory of 116 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 4740 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 4740 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 4740 wrote to memory of 3128 N/A C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe

"C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp

"C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp" /SL5="$70042,4221967,54272,C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe" -i

C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 38.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3216-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3216-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-1235U.tmp\684470300c4b90bbb227c45a182ac650N.tmp

MD5 9b4f9ec7acaa0201282f5bb6fc15978b
SHA1 50aae7d705db9c1ae5bb2b1f4c9317354cc04556
SHA256 bc85afd449745aed63029469eec4cc92683dc7645c8ef79cd2dd6ea2fc426916
SHA512 ca4ef38cd8f79dc87b5492a9336c716587921e7123728046c802ec90386d9da9c1d1b8df45248aa191286c5fdb99e70dbd7205844c93715a26657ec7bf92918d

memory/4740-13-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-TR3L5.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Temp\is-TR3L5.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

MD5 3e1d4537b5c6d96e4e0214d33da284c7
SHA1 8cfb7856e835dc465bf2888c6830dee5a8810736
SHA256 e505b7a0b2665c5541ee0e44765edcf7348771623ab1c6122f1f3f1f65c2b46c
SHA512 629e3ace172066d00d3b23769dc7047fccae689370ed09c19c62dd514697aa55e5662f5d7fb39416c2ff0135a0894ab83d02973e186a5ffcafe13fc3c288c759

memory/116-58-0x0000000000400000-0x0000000000753000-memory.dmp

memory/116-61-0x0000000000400000-0x0000000000753000-memory.dmp

memory/116-59-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-65-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3216-66-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4740-67-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3128-68-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-71-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-74-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-77-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-80-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-83-0x0000000000A40000-0x0000000000AE2000-memory.dmp

memory/3128-85-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-90-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-93-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-96-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-99-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3128-102-0x0000000000400000-0x0000000000753000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 07:10

Reported

2024-08-03 07:12

Platform

win7-20240708-en

Max time kernel

119s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

Signatures

Detect Socks5Systemz Payload

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

Socks5Systemz

botnet socks5systemz

Checks installed software on the system

discovery

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1344 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp
PID 1732 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe
PID 1732 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

Processes

C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe

"C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp

"C:\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp" /SL5="$40216,4221967,54272,C:\Users\Admin\AppData\Local\Temp\684470300c4b90bbb227c45a182ac650N.exe"

C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe" -i

C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe" -s

Network

N/A

Files

memory/1344-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1344-2-0x0000000000401000-0x000000000040B000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-Q15C5.tmp\684470300c4b90bbb227c45a182ac650N.tmp

MD5 9b4f9ec7acaa0201282f5bb6fc15978b
SHA1 50aae7d705db9c1ae5bb2b1f4c9317354cc04556
SHA256 bc85afd449745aed63029469eec4cc92683dc7645c8ef79cd2dd6ea2fc426916
SHA512 ca4ef38cd8f79dc87b5492a9336c716587921e7123728046c802ec90386d9da9c1d1b8df45248aa191286c5fdb99e70dbd7205844c93715a26657ec7bf92918d

\Users\Admin\AppData\Local\Temp\is-3F4EH.tmp\_isetup\_shfoldr.dll

MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

\Users\Admin\AppData\Local\Temp\is-3F4EH.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/1732-19-0x0000000000400000-0x00000000004BD000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-3F4EH.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter.exe

MD5 3e1d4537b5c6d96e4e0214d33da284c7
SHA1 8cfb7856e835dc465bf2888c6830dee5a8810736
SHA256 e505b7a0b2665c5541ee0e44765edcf7348771623ab1c6122f1f3f1f65c2b46c
SHA512 629e3ace172066d00d3b23769dc7047fccae689370ed09c19c62dd514697aa55e5662f5d7fb39416c2ff0135a0894ab83d02973e186a5ffcafe13fc3c288c759

memory/2488-60-0x0000000000400000-0x0000000000753000-memory.dmp

memory/1732-59-0x0000000004720000-0x0000000004A73000-memory.dmp

memory/2488-61-0x0000000000400000-0x0000000000753000-memory.dmp

memory/2488-64-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-66-0x0000000000400000-0x0000000000753000-memory.dmp

memory/1344-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1732-69-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3060-72-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-75-0x0000000000400000-0x0000000000753000-memory.dmp

memory/1732-76-0x0000000004720000-0x0000000004A73000-memory.dmp

memory/3060-77-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-82-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-85-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-88-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-89-0x0000000002300000-0x00000000023A2000-memory.dmp

memory/3060-93-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-98-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-101-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-102-0x0000000000400000-0x0000000000753000-memory.dmp

memory/3060-105-0x0000000000400000-0x0000000000753000-memory.dmp