Malware Analysis Report

2025-08-10 13:49

Sample ID 240803-289lksyenq
Target 1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd
SHA256 1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd
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

1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd

Threat Level: Known bad

The file 1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd 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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 23:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 23:16

Reported

2024-08-03 23:18

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.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

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\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1168 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 1168 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 1168 wrote to memory of 3976 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 3976 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 3976 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 3976 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 3976 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 3976 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 3976 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe

"C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe"

C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp

"C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp" /SL5="$90062,3970375,54272,C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe"

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 23.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
SE 45.155.250.90:53 aquunvn.ru udp
CH 185.196.8.214:80 aquunvn.ru tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp
US 8.8.8.8:53 14.179.89.13.in-addr.arpa udp

Files

memory/1168-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1168-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp

MD5 96e2c8db3dd8e1f3632aab3b400e4b9a
SHA1 4272048cddf5a17cee879c2c421f61e33baeff69
SHA256 624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2
SHA512 1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

memory/3976-10-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FKAH1.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

MD5 c70996a70f43a96301278bf9a9d0a215
SHA1 cf88625f14041502a5abc1132b2ee8b43e0b5ca1
SHA256 d0a8fe39c12a906ab05692c6b5fd7aa30b9b4e8bafb9c684a1ffac86dbea79c2
SHA512 d68cb62624801ab510fdd3a3161fa2a8d463bee2ad4cca092edadf6c57ef89f1c8879c220e7f5f0604dfda850195d2c4aac8f6c301b58c10ddb21f0f37fff03d

memory/1704-52-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1704-53-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1704-54-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1704-56-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-59-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1168-60-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3976-61-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2192-62-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-65-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-68-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-71-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-74-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-77-0x0000000000C50000-0x0000000000CF2000-memory.dmp

memory/2192-79-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-84-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-87-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-90-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-93-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-96-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-99-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-100-0x0000000000C50000-0x0000000000CF2000-memory.dmp

memory/2192-101-0x0000000000C50000-0x0000000000CF2000-memory.dmp

memory/2192-105-0x0000000000400000-0x000000000089E000-memory.dmp

memory/2192-108-0x0000000000400000-0x000000000089E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 23:16

Reported

2024-08-03 23:19

Platform

win11-20240802-en

Max time kernel

142s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.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

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\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1692 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 1692 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 1692 wrote to memory of 2248 N/A C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
PID 2248 wrote to memory of 748 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2248 wrote to memory of 748 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2248 wrote to memory of 748 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2248 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2248 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2248 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe

"C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe"

C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp

"C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp" /SL5="$D0262,3970375,54272,C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe"

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
LT 91.211.247.248:53 ejudgvc.ua udp
CH 185.196.8.214:80 ejudgvc.ua tcp

Files

memory/1692-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1692-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JDQ2J.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp

MD5 96e2c8db3dd8e1f3632aab3b400e4b9a
SHA1 4272048cddf5a17cee879c2c421f61e33baeff69
SHA256 624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2
SHA512 1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

memory/2248-10-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GUEA0.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

MD5 c70996a70f43a96301278bf9a9d0a215
SHA1 cf88625f14041502a5abc1132b2ee8b43e0b5ca1
SHA256 d0a8fe39c12a906ab05692c6b5fd7aa30b9b4e8bafb9c684a1ffac86dbea79c2
SHA512 d68cb62624801ab510fdd3a3161fa2a8d463bee2ad4cca092edadf6c57ef89f1c8879c220e7f5f0604dfda850195d2c4aac8f6c301b58c10ddb21f0f37fff03d

memory/748-52-0x0000000000400000-0x000000000089E000-memory.dmp

memory/748-53-0x0000000000400000-0x000000000089E000-memory.dmp

memory/748-55-0x0000000000400000-0x000000000089E000-memory.dmp

memory/748-56-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-59-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1692-60-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2248-61-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1160-62-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-65-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-68-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-71-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-74-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-75-0x0000000002710000-0x00000000027B2000-memory.dmp

memory/1160-79-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-84-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-87-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-90-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-93-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-96-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-100-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-103-0x0000000000400000-0x000000000089E000-memory.dmp

memory/1160-106-0x0000000000400000-0x000000000089E000-memory.dmp