Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-lc3kds1ejb
Target 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4
SHA256 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4
Tags
socks5systemz botnet discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4

Threat Level: Known bad

The file 7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

Unexpected DNS network traffic destination

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 09:24

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 09:24

Reported

2024-06-25 09:26

Platform

win11-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.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
Destination IP 141.98.234.31 N/A N/A
Destination IP 152.89.198.214 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-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2152 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 2152 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 2152 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 2792 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2792 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2792 wrote to memory of 4772 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2792 wrote to memory of 420 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2792 wrote to memory of 420 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2792 wrote to memory of 420 N/A C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe

"C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"

C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp" /SL5="$60060,4739211,54272,C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
IE 52.111.236.22:443 tcp
HK 141.98.234.31:53 aydcqrt.ru udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
RU 152.89.198.214:53 aydcqrt.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
LT 91.211.247.248:53 aydcqrt.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2152-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2152-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-DQ6HA.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp

MD5 1e597ae2b625c5a6128b71f9ab8b27f9
SHA1 69cd3ce903259678c63009828be907b00e6a8042
SHA256 a0f4c4c7591a62eab9abe74e58934a687fb1dc38b69f4ed49fde30505e647120
SHA512 06fcbffe87ceb4e041988a3ea752d9cff323c5bcd2c62649c3cd19b25ef80d936cd92dff403fbed2f896fe9a30bbe5cba47a12116ac1089a454a9bc3c311bc9d

memory/2792-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PCMC7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 4fb5a7b123687a368357bec69beebbe2
SHA1 77d64b30268691d0d05a7265990f0c08eca16dd5
SHA256 74568df53314358994b5b8460e0c347e9c594b14e92f854d4442e83235f0f90c
SHA512 a745e22dce51798da2cae4a15a32e75d107ddb93b91e446fc383156c22a03105c165f64ac8d81e4b920f437b1a6fddec796c877493b045582f546ab1832b0797

memory/4772-59-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4772-60-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4772-65-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4772-63-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-67-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-69-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2152-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2792-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/420-72-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-75-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-76-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-79-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-82-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-85-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-87-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/420-91-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-96-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-99-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-102-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-105-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-108-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-111-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-114-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/420-117-0x0000000000400000-0x00000000006C3000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 09:24

Reported

2024-06-25 09:26

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.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 152.89.198.214 N/A N/A
Destination IP 91.211.247.248 N/A N/A
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-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3156 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 3156 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 3156 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp
PID 3532 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 3532 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 3532 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 3532 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 3532 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 3532 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe

"C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"

C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp" /SL5="$601C8,4739211,54272,C:\Users\Admin\AppData\Local\Temp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
SE 45.155.250.90:53 bwocjzk.com udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
RU 152.89.198.214:53 bwocjzk.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 bwocjzk.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/3156-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3156-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-T0EL4.tmp\7a657c94da6da0c7c9eeae9d4eb6710b8bb45fbcd2d92b59e249471f7352f8a4.tmp

MD5 1e597ae2b625c5a6128b71f9ab8b27f9
SHA1 69cd3ce903259678c63009828be907b00e6a8042
SHA256 a0f4c4c7591a62eab9abe74e58934a687fb1dc38b69f4ed49fde30505e647120
SHA512 06fcbffe87ceb4e041988a3ea752d9cff323c5bcd2c62649c3cd19b25ef80d936cd92dff403fbed2f896fe9a30bbe5cba47a12116ac1089a454a9bc3c311bc9d

memory/3532-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PPF4B.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 4fb5a7b123687a368357bec69beebbe2
SHA1 77d64b30268691d0d05a7265990f0c08eca16dd5
SHA256 74568df53314358994b5b8460e0c347e9c594b14e92f854d4442e83235f0f90c
SHA512 a745e22dce51798da2cae4a15a32e75d107ddb93b91e446fc383156c22a03105c165f64ac8d81e4b920f437b1a6fddec796c877493b045582f546ab1832b0797

memory/4200-59-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4200-60-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4200-63-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/4200-64-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-66-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/3156-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3532-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2304-70-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-73-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-76-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-79-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-82-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-85-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/2304-87-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-92-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-95-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-98-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-101-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-104-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-107-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-110-0x0000000000400000-0x00000000006C3000-memory.dmp

memory/2304-113-0x0000000000400000-0x00000000006C3000-memory.dmp