Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-t11ppsea7v
Target c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b
SHA256 c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b
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

c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b

Threat Level: Known bad

The file c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b 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

2024-05-30 16:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 16:32

Reported

2024-05-30 16:34

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.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-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 452 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 452 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 452 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 2944 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2944 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2944 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2944 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2944 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2944 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe

"C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe"

C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp

"C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp" /SL5="$701EC,5624554,54272,C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 216.131.50.23.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
SE 45.155.250.90:53 aqmpehb.ru udp
BG 79.110.49.184:80 aqmpehb.ru tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 184.49.110.79.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/452-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/452-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-OJUPL.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp

MD5 0618c738cf49fa5f045702c69585d459
SHA1 c71706644125d08fabf067cbe06030fb9795a2e8
SHA256 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512 bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a

memory/2944-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LCV8T.tmp\_isetup\_isdecmp.dll

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

C:\Users\Admin\AppData\Local\Temp\is-LCV8T.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 4825b2dade50eaf35410ce1df5f8abb9
SHA1 5de1c04df7e9939a191f09718960b476e69599b2
SHA256 a0afb962a2b35ca01927d08ee6785426de264f55550fae8323b9c1b7b77cc450
SHA512 52f3687c33e4b51ca4e1d206a2521406fdffa66a9446974687bbea92cae4b5236964f245af9b882bfdb06e0b8388e8e21a89a48f8885a5239c367e697f7e086c

memory/1348-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1348-69-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1348-71-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1348-66-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-73-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-75-0x0000000000400000-0x0000000000745000-memory.dmp

memory/452-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2944-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1972-78-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-81-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-82-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-85-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-88-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-91-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-94-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/1972-95-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-101-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-104-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-107-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-110-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-113-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-116-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-117-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/1972-118-0x00000000009A0000-0x0000000000A42000-memory.dmp

memory/1972-122-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1972-125-0x0000000000400000-0x0000000000745000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 16:32

Reported

2024-05-30 16:34

Platform

win11-20240426-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.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

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2972 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 2972 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 2972 wrote to memory of 4168 N/A C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp
PID 4168 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4168 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4168 wrote to memory of 4280 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4168 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4168 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 4168 wrote to memory of 3464 N/A C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe

"C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.exe"

C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp

"C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp" /SL5="$4020C,5624554,54272,C:\Users\Admin\AppData\Local\Temp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.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 buwlhve.com udp
BG 79.110.49.184:80 buwlhve.com tcp
RO 45.11.181.104:2023 tcp
US 8.8.8.8:53 184.49.110.79.in-addr.arpa udp
US 8.8.8.8:53 104.181.11.45.in-addr.arpa udp

Files

memory/2972-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/2972-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-49TCP.tmp\c4fdc2842b3642a7eecde9628a703c280dfee96efde624b428ab1bcf157b1d4b.tmp

MD5 0618c738cf49fa5f045702c69585d459
SHA1 c71706644125d08fabf067cbe06030fb9795a2e8
SHA256 32d63dc7b012c5855667c4b809b98b42b2a841d38e5350fe7b603b46a74d484e
SHA512 bd042294fe9a09b01013d94211cf89ec4c7b1bfec384eb717a25ea864e2c9154ba082b5d9ccc9fd5e04d3b551f7bfdfea5d96d74056e5e27811a9cc4aaecc43a

memory/4168-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-HSLO7.tmp\_isetup\_isdecmp.dll

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

C:\Users\Admin\AppData\Local\Temp\is-HSLO7.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 4825b2dade50eaf35410ce1df5f8abb9
SHA1 5de1c04df7e9939a191f09718960b476e69599b2
SHA256 a0afb962a2b35ca01927d08ee6785426de264f55550fae8323b9c1b7b77cc450
SHA512 52f3687c33e4b51ca4e1d206a2521406fdffa66a9446974687bbea92cae4b5236964f245af9b882bfdb06e0b8388e8e21a89a48f8885a5239c367e697f7e086c

memory/4280-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4280-66-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4280-71-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4280-70-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-74-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2972-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4168-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3464-77-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-79-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-81-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-84-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-87-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-90-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-92-0x0000000000B20000-0x0000000000BC2000-memory.dmp

memory/3464-96-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-101-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-104-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-107-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-110-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-113-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-116-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-118-0x0000000000B20000-0x0000000000BC2000-memory.dmp

memory/3464-117-0x0000000000B20000-0x0000000000BC2000-memory.dmp

memory/3464-122-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3464-125-0x0000000000400000-0x0000000000745000-memory.dmp