Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-v4knbsgc77
Target 9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832
SHA256 9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832
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

9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832

Threat Level: Known bad

The file 9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

Unexpected DNS network traffic destination

Executes dropped EXE

Loads dropped DLL

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 17:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 17:32

Reported

2024-05-30 17:35

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.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 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-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3808 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 3808 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 3808 wrote to memory of 3152 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 3152 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 3152 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 3152 wrote to memory of 4824 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 3152 wrote to memory of 3596 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 3152 wrote to memory of 3596 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 3152 wrote to memory of 3596 N/A C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe

"C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe"

C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp

"C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp" /SL5="$D0054,5635552,54272,C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
SE 45.155.250.90:53 ckyzzvp.net udp
BG 79.110.49.184:80 ckyzzvp.net tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
BG 79.110.49.184:80 ckyzzvp.net tcp
BG 79.110.49.184:80 ckyzzvp.net tcp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/3808-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3808-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HD0GG.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp

MD5 0618c738cf49fa5f045702c69585d459
SHA1 c71706644125d08fabf067cbe06030fb9795a2e8
SHA256 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512 bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a

C:\Users\Admin\AppData\Local\Temp\is-S7SJ8.tmp\_isetup\_isdecmp.dll

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

memory/3152-19-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-S7SJ8.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

MD5 ed9d5f2c3a1fbda5e548b285e995cb43
SHA1 cdf6b61d9d4e8ab4b923cfb56112fbcc88fa762b
SHA256 7b7cfc5deb098ba599010c83ef544335b0fe4218790fa32e550988540ac91d55
SHA512 1bd2a8ec1b769f31c64ef05876fdd18c21dd5518df05233d04d1d946dbdf3a548ee48f5e9ae17cfac14679e47a8921a98a5c0c5649ce897d8fc72127031162ef

memory/4824-65-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4824-66-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4824-68-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4824-71-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-74-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3808-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3152-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3596-77-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-80-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-83-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-86-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-89-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-92-0x0000000002590000-0x0000000002632000-memory.dmp

memory/3596-95-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-100-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-103-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-106-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-109-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-112-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-115-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-118-0x0000000000400000-0x0000000000755000-memory.dmp

memory/3596-121-0x0000000000400000-0x0000000000755000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 17:32

Reported

2024-05-30 17:35

Platform

win11-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.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

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-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1352 wrote to memory of 5048 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 1352 wrote to memory of 5048 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 1352 wrote to memory of 5048 N/A C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp
PID 5048 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 5048 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 5048 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 5048 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 5048 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 5048 wrote to memory of 4384 N/A C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe

"C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe"

C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp

"C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp" /SL5="$50072,5635552,54272,C:\Users\Admin\AppData\Local\Temp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.exe"

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s

Network

Country Destination Domain Proto
RU 152.89.198.214:53 cckuile.net udp
BG 79.110.49.184:80 cckuile.net tcp
BG 79.110.49.184:80 cckuile.net tcp
BG 79.110.49.184:80 cckuile.net tcp

Files

memory/1352-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1352-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-7QAEK.tmp\9675addcdc86536f6d2f00ec2d5a838bb1a01a04fc62824156f05e5c4e8f5832.tmp

MD5 0618c738cf49fa5f045702c69585d459
SHA1 c71706644125d08fabf067cbe06030fb9795a2e8
SHA256 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512 bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a

C:\Users\Admin\AppData\Local\Temp\is-M4MI7.tmp\_isetup\_isdecmp.dll

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

memory/5048-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-M4MI7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

MD5 ed9d5f2c3a1fbda5e548b285e995cb43
SHA1 cdf6b61d9d4e8ab4b923cfb56112fbcc88fa762b
SHA256 7b7cfc5deb098ba599010c83ef544335b0fe4218790fa32e550988540ac91d55
SHA512 1bd2a8ec1b769f31c64ef05876fdd18c21dd5518df05233d04d1d946dbdf3a548ee48f5e9ae17cfac14679e47a8921a98a5c0c5649ce897d8fc72127031162ef

memory/4576-65-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4576-69-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4576-67-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4576-71-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-74-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-75-0x0000000000400000-0x0000000000755000-memory.dmp

memory/1352-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5048-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4384-78-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-81-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-82-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-85-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-88-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-91-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-93-0x0000000000A90000-0x0000000000B32000-memory.dmp

memory/4384-97-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-102-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-105-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-108-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-111-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-114-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-117-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-120-0x0000000000400000-0x0000000000755000-memory.dmp

memory/4384-123-0x0000000000400000-0x0000000000755000-memory.dmp