Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-1qcy8aaf3x
Target 8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e
SHA256 8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e
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

8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e

Threat Level: Known bad

The file 8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Unexpected DNS network traffic destination

Loads dropped DLL

Executes dropped EXE

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 21:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 21:50

Reported

2024-05-30 21:53

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.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 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-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 1848 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 1848 wrote to memory of 1020 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 1020 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1020 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1020 wrote to memory of 4492 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1020 wrote to memory of 4104 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1020 wrote to memory of 4104 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1020 wrote to memory of 4104 N/A C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe

"C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe"

C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp" /SL5="$90170,5586021,54272,C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4008,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
BE 88.221.83.225:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 225.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
HK 141.98.234.31:53 dlugjog.info udp
BG 79.110.49.184:80 dlugjog.info tcp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
BG 79.110.49.184:80 dlugjog.info tcp
BG 79.110.49.184:80 dlugjog.info tcp

Files

memory/1848-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1848-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-TNGS1.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp

MD5 ef9105d68de970efad785e01b21e4e2b
SHA1 7fe8801a3e86814972da63a7a943bdc5e31d8888
SHA256 381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a
SHA512 e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

memory/1020-13-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

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

MD5 97037ae6f19f69d8349f0c9e9791f267
SHA1 37c25c7324dc4fb5bdf97214807ebcf4886519ea
SHA256 b5c594c4ce4090f58193c5f8b869570f91d8761bd210af4908a1229d66838310
SHA512 7afc2eb82699eea1f38cfc62a2405e865147243db61ce11747123012016d1b144d68d8dd9857515a46dea950437c2f6c991397fb17fcdcbb217ca5a3cc66499f

memory/4492-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4492-66-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4492-70-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4492-71-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-73-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-75-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1848-76-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1020-77-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4104-78-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-82-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-81-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-85-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-88-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-91-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-94-0x00000000008F0000-0x0000000000992000-memory.dmp

memory/4104-97-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-102-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-105-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-108-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-111-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-114-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-117-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-120-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4104-123-0x0000000000400000-0x0000000000745000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 21:50

Reported

2024-05-30 21:53

Platform

win11-20240508-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.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-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4936 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 4936 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 4936 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp
PID 2864 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2864 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2864 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2864 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2864 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 2864 wrote to memory of 5004 N/A C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe

"C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.exe"

C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp

"C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp" /SL5="$D016C,5586021,54272,C:\Users\Admin\AppData\Local\Temp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
RU 152.89.198.214:53 bnrogio.com udp
BG 79.110.49.184:80 bnrogio.com tcp
BG 79.110.49.184:80 bnrogio.com tcp
BG 79.110.49.184:80 bnrogio.com tcp

Files

memory/4936-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4936-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-0JLCO.tmp\8c6d2334fed2a35c6203f2051768bbefbc93d2e6cf3372ab97fc9a632de18b0e.tmp

MD5 ef9105d68de970efad785e01b21e4e2b
SHA1 7fe8801a3e86814972da63a7a943bdc5e31d8888
SHA256 381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a
SHA512 e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

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

MD5 b6f11a0ab7715f570f45900a1fe84732
SHA1 77b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256 e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA512 78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2864-19-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 97037ae6f19f69d8349f0c9e9791f267
SHA1 37c25c7324dc4fb5bdf97214807ebcf4886519ea
SHA256 b5c594c4ce4090f58193c5f8b869570f91d8761bd210af4908a1229d66838310
SHA512 7afc2eb82699eea1f38cfc62a2405e865147243db61ce11747123012016d1b144d68d8dd9857515a46dea950437c2f6c991397fb17fcdcbb217ca5a3cc66499f

memory/2520-68-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2520-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2520-69-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-73-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4936-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2864-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/5004-76-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-79-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-82-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-85-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-88-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-91-0x0000000000AA0000-0x0000000000B42000-memory.dmp

memory/5004-92-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-98-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-101-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-104-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-107-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-110-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-113-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-116-0x0000000000400000-0x0000000000745000-memory.dmp

memory/5004-119-0x0000000000400000-0x0000000000745000-memory.dmp