Malware Analysis Report

2024-11-15 05:01

Sample ID 240530-qmznpsaa41
Target 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148
SHA256 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148
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

8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148

Threat Level: Known bad

The file 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148 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

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 13:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 13:23

Reported

2024-05-30 13:26

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.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-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 4892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 4892 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 1740 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1740 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1740 wrote to memory of 3656 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1740 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1740 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 1740 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe

"C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe"

C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp

"C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp" /SL5="$E0062,4698613,54272,C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
SE 45.155.250.90:53 ebzxuyp.ua udp
BG 79.110.49.184:80 ebzxuyp.ua tcp
CH 176.10.111.158:2023 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 8.8.8.8:53 158.111.10.176.in-addr.arpa udp

Files

memory/4892-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4892-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-MUTDF.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp

MD5 35dc5f441f5af688cd72c6e0b8dc86dc
SHA1 328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256 d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA512 52d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4

memory/1740-13-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 654ec34fd9c27d114d80fcb30028905e
SHA1 bb6a5fde0e43de54b83961c2eb57f7f53778a268
SHA256 5728f579f43f8f30a88e5f6e12edc44a73f9d9f033087caf339c3cf32be70747
SHA512 109fb78d542f1b2dc8ec79cece5f2772f5a7f3e8c0e075ea16b1e67f037d0e59d35504a4dfc89fe92511a3d9405a5623f837806df8661b2df949c8dab13abf9c

memory/3656-59-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3656-63-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3656-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-68-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3656-60-0x0000000000400000-0x0000000000745000-memory.dmp

memory/4892-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1740-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2208-71-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-74-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-77-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-80-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-83-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-86-0x0000000002580000-0x0000000002622000-memory.dmp

memory/2208-89-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-94-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-97-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-100-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-103-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-106-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-109-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-110-0x0000000002580000-0x0000000002622000-memory.dmp

memory/2208-111-0x0000000002580000-0x0000000002622000-memory.dmp

memory/2208-115-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2208-118-0x0000000000400000-0x0000000000745000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 13:23

Reported

2024-05-30 13:26

Platform

win11-20240426-en

Max time kernel

141s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.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 91.211.247.248 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-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3976 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 3976 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 3976 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
PID 424 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 424 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 424 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 424 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 424 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
PID 424 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe

"C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe"

C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp" /SL5="$4022A,4698613,54272,C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.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
LT 91.211.247.248:53 bgoaods.com udp
BG 79.110.49.184:80 bgoaods.com tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
FR 195.154.174.12:2023 tcp
US 8.8.8.8:53 184.49.110.79.in-addr.arpa udp
US 8.8.8.8:53 12.174.154.195.in-addr.arpa udp

Files

memory/3976-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3976-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp

MD5 35dc5f441f5af688cd72c6e0b8dc86dc
SHA1 328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256 d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA512 52d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4

C:\Users\Admin\AppData\Local\Temp\is-ST1MK.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/424-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 654ec34fd9c27d114d80fcb30028905e
SHA1 bb6a5fde0e43de54b83961c2eb57f7f53778a268
SHA256 5728f579f43f8f30a88e5f6e12edc44a73f9d9f033087caf339c3cf32be70747
SHA512 109fb78d542f1b2dc8ec79cece5f2772f5a7f3e8c0e075ea16b1e67f037d0e59d35504a4dfc89fe92511a3d9405a5623f837806df8661b2df949c8dab13abf9c

memory/2280-59-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2280-61-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2280-65-0x0000000000400000-0x0000000000745000-memory.dmp

memory/2280-64-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-68-0x0000000000400000-0x0000000000745000-memory.dmp

memory/3976-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/424-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1808-71-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-73-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-75-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-78-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-81-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-84-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-86-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/1808-88-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-94-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-97-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-100-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-103-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-106-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-109-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-110-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/1808-111-0x0000000000950000-0x00000000009F2000-memory.dmp

memory/1808-115-0x0000000000400000-0x0000000000745000-memory.dmp

memory/1808-118-0x0000000000400000-0x0000000000745000-memory.dmp