Malware Analysis Report

2025-08-11 07:17

Sample ID 240803-lfvnysyhkn
Target 46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4
SHA256 46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4
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

46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4

Threat Level: Known bad

The file 46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Unexpected DNS network traffic destination

Executes dropped EXE

Checks installed software on the system

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 09:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 09:28

Reported

2024-08-03 09:31

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.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\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4328 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 4328 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 4328 wrote to memory of 4312 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 4312 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 4312 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 4312 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 4312 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 4312 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 4312 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe

Processes

C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe

"C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe"

C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp" /SL5="$4017E,4044185,54272,C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
SE 45.155.250.90:53 bevpqix.com udp
CH 185.196.8.214:80 bevpqix.com tcp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp

Files

memory/4328-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4328-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-E1NTO.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp

MD5 f2401276f4e0f70c3aa6106d682479c5
SHA1 65bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256 b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA512 0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

memory/4312-13-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-8UO4H.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 7dae4040a16107cb651c6325430f3e54
SHA1 7b131ebb014c47ae8bf77cebc070db6d5448a796
SHA256 beff90ff30c419996f07f81a352ef387b16965ea68e27cf37c16503b9cee26de
SHA512 6b577a1b86c91f122e90a3dcac0081bf8b2821eb4fd0212cc6408b76b173e9a133a46d5f6bd93875e8a23a584a3609842516bbddcca84c2db868316b64431857

memory/2860-53-0x0000000000400000-0x0000000000849000-memory.dmp

memory/2860-54-0x0000000000400000-0x0000000000849000-memory.dmp

memory/2860-52-0x0000000000400000-0x0000000000849000-memory.dmp

memory/2860-56-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-58-0x0000000000400000-0x0000000000849000-memory.dmp

memory/4328-60-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4312-61-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/320-62-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-65-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-68-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-71-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-74-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-77-0x0000000000A80000-0x0000000000B22000-memory.dmp

memory/320-79-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-84-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-87-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-90-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-93-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-96-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-99-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-100-0x0000000000A80000-0x0000000000B22000-memory.dmp

memory/320-101-0x0000000000A80000-0x0000000000B22000-memory.dmp

memory/320-105-0x0000000000400000-0x0000000000849000-memory.dmp

memory/320-108-0x0000000000400000-0x0000000000849000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 09:28

Reported

2024-08-03 09:31

Platform

win11-20240802-en

Max time kernel

141s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.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

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\Jeengle\jeengle.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3280 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 3280 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 3280 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp
PID 3244 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 3244 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 3244 wrote to memory of 3468 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 3244 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 3244 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 3244 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe

Processes

C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe

"C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe"

C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp" /SL5="$6017A,4044185,54272,C:\Users\Admin\AppData\Local\Temp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.exe"

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

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

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

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

Network

Country Destination Domain Proto
RU 152.89.198.214:53 bxmshvy.com udp
CH 185.196.8.214:80 bxmshvy.com tcp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp

Files

memory/3280-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3280-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-54PRH.tmp\46e9c880dbe01f9535de75eb471bb8cae457535b41281c137fd6f6f6d26443c4.tmp

MD5 f2401276f4e0f70c3aa6106d682479c5
SHA1 65bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256 b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA512 0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

memory/3244-10-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HRM6O.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 7dae4040a16107cb651c6325430f3e54
SHA1 7b131ebb014c47ae8bf77cebc070db6d5448a796
SHA256 beff90ff30c419996f07f81a352ef387b16965ea68e27cf37c16503b9cee26de
SHA512 6b577a1b86c91f122e90a3dcac0081bf8b2821eb4fd0212cc6408b76b173e9a133a46d5f6bd93875e8a23a584a3609842516bbddcca84c2db868316b64431857

memory/3468-52-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3468-54-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3468-55-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3468-56-0x0000000000400000-0x0000000000480000-memory.dmp

memory/3936-60-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-59-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3280-61-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3244-62-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/3936-63-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-66-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-67-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-70-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-73-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-76-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-79-0x0000000000B80000-0x0000000000C22000-memory.dmp

memory/3936-80-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-86-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-89-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-92-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-95-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-98-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-101-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-102-0x0000000000B80000-0x0000000000C22000-memory.dmp

memory/3936-103-0x0000000000B80000-0x0000000000C22000-memory.dmp

memory/3936-107-0x0000000000400000-0x0000000000849000-memory.dmp

memory/3936-110-0x0000000000400000-0x0000000000849000-memory.dmp