Malware Analysis Report

2025-08-11 07:23

Sample ID 240803-hmnbns1ama
Target b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74
SHA256 b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74
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

b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74

Threat Level: Known bad

The file b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-03 06:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-03 06:51

Reported

2024-08-03 06:53

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1636 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 1636 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 1636 wrote to memory of 816 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 816 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 816 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 816 wrote to memory of 3412 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 816 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 816 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 816 wrote to memory of 1588 N/A C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe

"C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe"

C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp

"C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp" /SL5="$F005E,4218962,54272,C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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 g.bing.com 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 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 buqiadu.com udp
CH 185.196.8.214:80 buqiadu.com tcp
NL 45.156.23.96:2023 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 96.23.156.45.in-addr.arpa udp

Files

memory/1636-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1636-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp

MD5 f2401276f4e0f70c3aa6106d682479c5
SHA1 65bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256 b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA512 0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

memory/816-12-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-D3G41.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 a7ffdcfee0633a54e7522f38fc3e1a9c
SHA1 3338ddf12ce7513775d4e56cdf02b5f8dce7d2cb
SHA256 f24fd406a132f404a867313b64bd3b49553681609144328d32615d06beb9576a
SHA512 baf4b2b3a97e7901b45d79f726879df7c2665d799f5373e3278b84ea4f6bf2ab74b60f8ca112c410970527edf77ed5c5f1c0d8ba26982c9bd72dc479dff628f8

memory/3412-52-0x0000000000400000-0x000000000087B000-memory.dmp

memory/3412-55-0x0000000000400000-0x000000000087B000-memory.dmp

memory/3412-53-0x0000000000400000-0x000000000087B000-memory.dmp

memory/3412-57-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-60-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1636-61-0x0000000000400000-0x0000000000414000-memory.dmp

memory/816-62-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/1588-63-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-66-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-69-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-72-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-75-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-78-0x0000000002AD0000-0x0000000002B72000-memory.dmp

memory/1588-80-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-85-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-88-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-91-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-94-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-97-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-100-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-101-0x0000000002AD0000-0x0000000002B72000-memory.dmp

memory/1588-102-0x0000000002AD0000-0x0000000002B72000-memory.dmp

memory/1588-106-0x0000000000400000-0x000000000087B000-memory.dmp

memory/1588-109-0x0000000000400000-0x000000000087B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-03 06:51

Reported

2024-08-03 06:53

Platform

win11-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5652 wrote to memory of 5740 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 5652 wrote to memory of 5740 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 5652 wrote to memory of 5740 N/A C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
PID 5740 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 5740 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 5740 wrote to memory of 552 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 5740 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 5740 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
PID 5740 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe

"C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe"

C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp

"C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp" /SL5="$502E0,4218962,54272,C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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 buszbti.com udp
CH 185.196.8.214:80 buszbti.com tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
NL 45.156.23.96:2023 tcp
US 8.8.8.8:53 96.23.156.45.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/5652-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5652-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-A1V32.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp

MD5 f2401276f4e0f70c3aa6106d682479c5
SHA1 65bc28f6da79ad6c101b63efd11fa1660d944fb8
SHA256 b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b
SHA512 0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

memory/5740-12-0x0000000000400000-0x00000000004BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6MNA8.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 a7ffdcfee0633a54e7522f38fc3e1a9c
SHA1 3338ddf12ce7513775d4e56cdf02b5f8dce7d2cb
SHA256 f24fd406a132f404a867313b64bd3b49553681609144328d32615d06beb9576a
SHA512 baf4b2b3a97e7901b45d79f726879df7c2665d799f5373e3278b84ea4f6bf2ab74b60f8ca112c410970527edf77ed5c5f1c0d8ba26982c9bd72dc479dff628f8

memory/552-53-0x0000000000400000-0x000000000087B000-memory.dmp

memory/552-52-0x0000000000400000-0x000000000087B000-memory.dmp

memory/552-57-0x0000000000400000-0x000000000087B000-memory.dmp

memory/552-56-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-60-0x0000000000400000-0x000000000087B000-memory.dmp

memory/5652-61-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5740-62-0x0000000000400000-0x00000000004BD000-memory.dmp

memory/2456-63-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-66-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-69-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-72-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-75-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-78-0x0000000002660000-0x0000000002702000-memory.dmp

memory/2456-81-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-86-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-89-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-92-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-95-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-98-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-101-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-102-0x0000000002660000-0x0000000002702000-memory.dmp

memory/2456-103-0x0000000002660000-0x0000000002702000-memory.dmp

memory/2456-107-0x0000000000400000-0x000000000087B000-memory.dmp

memory/2456-110-0x0000000000400000-0x000000000087B000-memory.dmp