Malware Analysis Report

2025-08-10 13:58

Sample ID 240804-b2l9lawhpg
Target c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91
SHA256 c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91
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

c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91

Threat Level: Known bad

The file c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Unexpected DNS network traffic destination

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-04 01:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-04 01:38

Reported

2024-08-04 01:41

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1420 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 1420 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 1420 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 1564 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 1564 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 1564 wrote to memory of 3244 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 1564 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 1564 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 1564 wrote to memory of 644 N/A C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe

"C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe"

C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp

"C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp" /SL5="$70044,3931341,54272,C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.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 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.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 0.205.248.87.in-addr.arpa udp
RU 152.89.198.214:53 cekriec.net udp
CH 185.196.8.214:80 cekriec.net tcp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 214.8.196.185.in-addr.arpa udp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/1420-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1420-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-ALOA5.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp

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

memory/1564-13-0x0000000000400000-0x00000000004BD000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 ca2961f4f185223901f51a5bd1319743
SHA1 dc0218564e3b3e6d219c6496e8cee6e2ae74725f
SHA256 1ec280e9f4662611f451292affda0d72a14f0353d86f49b829c28d35d9932640
SHA512 d19c599faaad40fb756c20a02c3f0882d0b853b8f55a9f4aeb2df059de440e6f3d918d41b3e1a08d435a0bcaa319f4efa41e212d6e07785fe95a58e59d0df60f

memory/3244-52-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/3244-53-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/3244-55-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/3244-57-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-60-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/1420-61-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1564-62-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/644-63-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-66-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-69-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-72-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-75-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-77-0x0000000000AF0000-0x0000000000B92000-memory.dmp

memory/644-80-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-85-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-88-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-91-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-94-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-97-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-100-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-101-0x0000000000AF0000-0x0000000000B92000-memory.dmp

memory/644-102-0x0000000000AF0000-0x0000000000B92000-memory.dmp

memory/644-106-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/644-109-0x0000000000400000-0x00000000008A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-04 01:38

Reported

2024-08-04 01:41

Platform

win11-20240802-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.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
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\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.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-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1888 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 1888 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 1888 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp
PID 2764 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2764 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2764 wrote to memory of 1056 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2764 wrote to memory of 352 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2764 wrote to memory of 352 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
PID 2764 wrote to memory of 352 N/A C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe

"C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.exe"

C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp

"C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp" /SL5="$50108,3931341,54272,C:\Users\Admin\AppData\Local\Temp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.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 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.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
RU 152.89.198.214:53 bvlutgn.com udp
CH 185.196.8.214:80 bvlutgn.com tcp
NL 45.156.23.96:2023 tcp

Files

memory/1888-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1888-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3CA0A.tmp\c00002ee33603543f85adad2c1b358acd88735fdc4b05580568002c7e1b77e91.tmp

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

C:\Users\Admin\AppData\Local\Temp\is-GV2BN.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2764-13-0x0000000000400000-0x00000000004BD000-memory.dmp

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

MD5 ca2961f4f185223901f51a5bd1319743
SHA1 dc0218564e3b3e6d219c6496e8cee6e2ae74725f
SHA256 1ec280e9f4662611f451292affda0d72a14f0353d86f49b829c28d35d9932640
SHA512 d19c599faaad40fb756c20a02c3f0882d0b853b8f55a9f4aeb2df059de440e6f3d918d41b3e1a08d435a0bcaa319f4efa41e212d6e07785fe95a58e59d0df60f

memory/1056-53-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/1056-52-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/1056-57-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/1056-56-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-60-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-61-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/1888-62-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2764-63-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/352-64-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-66-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-68-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-71-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-74-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-77-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-79-0x0000000000BC0000-0x0000000000C62000-memory.dmp

memory/352-82-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-88-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-91-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-94-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-97-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-100-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-103-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-104-0x0000000000BC0000-0x0000000000C62000-memory.dmp

memory/352-105-0x0000000000BC0000-0x0000000000C62000-memory.dmp

memory/352-106-0x0000000000BC0000-0x0000000000C62000-memory.dmp

memory/352-109-0x0000000000400000-0x00000000008A0000-memory.dmp

memory/352-113-0x0000000000400000-0x00000000008A0000-memory.dmp