Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-qxnn7awcqm
Target 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be
SHA256 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be
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

6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be

Threat Level: Known bad

The file 6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 13:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 13:38

Reported

2024-06-25 13:41

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.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

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2700 wrote to memory of 4584 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 2700 wrote to memory of 4584 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 2700 wrote to memory of 4584 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 4584 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 4584 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 4584 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 4584 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 4584 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 4584 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe

"C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe"

C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp

"C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp" /SL5="$6011C,5052624,54272,C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 bexkfii.com udp
TR 94.156.8.80:80 bexkfii.com tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp

Files

memory/2700-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2700-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-CQH73.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

memory/4584-7-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/4100-59-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4100-60-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4100-63-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4100-64-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4584-68-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2700-67-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4036-69-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-72-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-75-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-78-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-81-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-84-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/4036-86-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-91-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-94-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-97-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-100-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-103-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-106-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-107-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/4036-108-0x00000000009C0000-0x0000000000A62000-memory.dmp

memory/4036-112-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4036-115-0x0000000000400000-0x0000000000738000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 13:38

Reported

2024-06-25 13:41

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.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 141.98.234.31 N/A N/A

Checks installed software on the system

discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4960 wrote to memory of 3220 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 4960 wrote to memory of 3220 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 4960 wrote to memory of 3220 N/A C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp
PID 3220 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 3220 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 3220 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 3220 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 3220 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe
PID 3220 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe

"C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe"

C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp

"C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp" /SL5="$6020A,5052624,54272,C:\Users\Admin\AppData\Local\Temp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
HK 141.98.234.31:53 ejeojig.ua udp
TR 94.156.8.80:80 ejeojig.ua tcp
EE 194.76.227.81:2023 tcp

Files

memory/4960-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4960-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-IN2GI.tmp\6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be.tmp

MD5 9a46eeaa9fb1370478ba7108b30aab2b
SHA1 045f0a44dd0f4710013a390da2865a2fac04389e
SHA256 71693251b98a555e6e01fcabf559218ad137f5de772218631147c3d87fc31820
SHA512 89ee61a63303ee11d77596e80e0abec6ede6c1fbba1b6bc6ee50991da335426b4fb0cc7d7a90c3c33d56dda222592a3090e771b9fcaef2f6e5951b78467fef66

memory/3220-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-G3EFT.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe

MD5 9e75cd003585ff2f172a841d41ed6d75
SHA1 9d551f43cfeb84d1a585d53d2bdde8e17be436bc
SHA256 c576f2f3581928de1e62be3e4efff1b5c5415e89c3bdc0cd5536ce41a781c370
SHA512 817c32c8943325d27723274425c4fa5c3fb7f36c52a2c85f8038e956033edf96b5d9340df3238865b706fffd8094b1ba3e940bcc17e2feae24d1b15fe2fac67c

memory/2716-59-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2716-60-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2716-64-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-67-0x0000000000400000-0x0000000000738000-memory.dmp

memory/4960-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3220-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2540-70-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-73-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-74-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-77-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-80-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-83-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-86-0x0000000000A90000-0x0000000000B32000-memory.dmp

memory/2540-88-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-94-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-97-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-100-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-103-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-106-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-109-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-110-0x0000000000A90000-0x0000000000B32000-memory.dmp

memory/2540-111-0x0000000000A90000-0x0000000000B32000-memory.dmp

memory/2540-114-0x0000000000400000-0x0000000000738000-memory.dmp

memory/2540-118-0x0000000000400000-0x0000000000738000-memory.dmp