Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-lg7pxawakb
Target 99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f
SHA256 99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f
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

99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f

Threat Level: Known bad

The file 99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 09:31

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 09:31

Reported

2024-06-15 09:33

Platform

win11-20240508-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.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 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-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2324 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 2324 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 2324 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 2132 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 2132 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 2132 wrote to memory of 3504 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 2132 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 2132 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 2132 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe

"C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"

C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp" /SL5="$6021E,5656207,54272,C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 152.89.198.214:53 erwvbvn.ua udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 erwvbvn.ua udp
LT 91.211.247.248:53 erwvbvn.ua udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2324-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2324-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-UOFC6.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp

MD5 548dec969992f3e928d7c5bcf6dbeccf
SHA1 f4da2c90b95749fbb89e1a16f55719078cb128aa
SHA256 9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768
SHA512 e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

C:\Users\Admin\AppData\Local\Temp\is-S93JJ.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-S93JJ.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2132-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

MD5 ff71e95ee87e4ecbd9e8b6b4ebf470c8
SHA1 e05be7f1ee06fab33e5dac77811e79e38de0cbce
SHA256 fc1ea4ea4982903c26c153aa88720ee8b8392054f1acc14e8b3e73922171bd85
SHA512 5a3c72341cab0e462d152c3f9abd8de38c0fbb87368789ae3ce73727c28ad9d635ddd5e63d38be494ee5ec39f83340e5e572cf5d165b256224f21d37e91c6d12

memory/3504-65-0x0000000000400000-0x0000000000705000-memory.dmp

memory/3504-66-0x0000000000400000-0x0000000000705000-memory.dmp

memory/3504-69-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-73-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2324-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2132-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1052-76-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-79-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-80-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-83-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-86-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-89-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-91-0x0000000002960000-0x0000000002A02000-memory.dmp

memory/1052-94-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-100-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-103-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-106-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-109-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-112-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-115-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-118-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1052-121-0x0000000000400000-0x0000000000705000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 09:31

Reported

2024-06-15 09:33

Platform

win10v2004-20240611-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.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-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4580 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 4580 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 4580 wrote to memory of 4740 N/A C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
PID 4740 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 4740 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 4740 wrote to memory of 1712 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 4740 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 4740 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 4740 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe

"C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"

C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp

"C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp" /SL5="$401DE,5656207,54272,C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
RU 152.89.198.214:53 ddoaedg.info udp
TR 94.156.8.80:80 ddoaedg.info tcp
NL 89.105.201.183:2023 tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 183.201.105.89.in-addr.arpa udp

Files

memory/4580-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4580-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp

MD5 548dec969992f3e928d7c5bcf6dbeccf
SHA1 f4da2c90b95749fbb89e1a16f55719078cb128aa
SHA256 9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768
SHA512 e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

memory/4740-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-OQ2A6.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-OQ2A6.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

MD5 ff71e95ee87e4ecbd9e8b6b4ebf470c8
SHA1 e05be7f1ee06fab33e5dac77811e79e38de0cbce
SHA256 fc1ea4ea4982903c26c153aa88720ee8b8392054f1acc14e8b3e73922171bd85
SHA512 5a3c72341cab0e462d152c3f9abd8de38c0fbb87368789ae3ce73727c28ad9d635ddd5e63d38be494ee5ec39f83340e5e572cf5d165b256224f21d37e91c6d12

memory/1712-65-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1712-66-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1712-69-0x0000000000400000-0x0000000000705000-memory.dmp

memory/1712-71-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-74-0x0000000000400000-0x0000000000705000-memory.dmp

memory/4580-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4740-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2860-77-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-80-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-83-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-86-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-89-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-92-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/2860-94-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-99-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-102-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-105-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-108-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-111-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-114-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-115-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/2860-116-0x0000000000820000-0x00000000008C2000-memory.dmp

memory/2860-120-0x0000000000400000-0x0000000000705000-memory.dmp

memory/2860-123-0x0000000000400000-0x0000000000705000-memory.dmp