Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-m9bcvayara
Target e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4
SHA256 e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4
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

e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4

Threat Level: Known bad

The file e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4 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 WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 11:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 11:09

Reported

2024-06-15 11:12

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.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-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2312 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 2312 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 2312 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 780 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 780 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 780 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 780 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 780 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 780 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe

"C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe"

C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp" /SL5="$80064,5857640,54272,C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.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 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
LT 91.211.247.248:53 ertmudh.ua udp
TR 94.156.8.80:80 ertmudh.ua tcp
BG 194.59.31.219:2023 tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 219.31.59.194.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/2312-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2312-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-3G3N4.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp

MD5 548dec969992f3e928d7c5bcf6dbeccf
SHA1 f4da2c90b95749fbb89e1a16f55719078cb128aa
SHA256 9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768
SHA512 e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

C:\Users\Admin\AppData\Local\Temp\is-VD865.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-VD865.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/780-20-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 c30a8006ff43e8fd687263ee9e85da97
SHA1 85a3eb734573386a471e6d9f21a1e7fdb494a3c9
SHA256 e6a52706c0d11c0cd6f15c76635a95e347274402686c654a8550daebcc1f1a49
SHA512 dc177d08658cf2c32e64d8e6a22aa7a07a3729b5e3e9239aea9448dd2bd8ce9c626e745faae0cb9d26d3ffb2921d1063f51e4e615b61ecbaf8b5283a247445cd

memory/2732-65-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2732-66-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2732-69-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2732-71-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-74-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2312-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/780-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1044-77-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-80-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-83-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-86-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-89-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-92-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/1044-94-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-99-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-102-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-105-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-108-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-111-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-114-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-115-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/1044-116-0x0000000000990000-0x0000000000A32000-memory.dmp

memory/1044-120-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1044-123-0x0000000000400000-0x0000000000734000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 11:09

Reported

2024-06-15 11:12

Platform

win11-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.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
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-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2616 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 2616 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 2616 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp
PID 916 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 916 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 916 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 916 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 916 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 916 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe

"C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.exe"

C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp

"C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp" /SL5="$701FA,5857640,54272,C:\Users\Admin\AppData\Local\Temp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.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
HK 141.98.234.31:53 bvxivzn.com udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
RU 152.89.198.214:53 bvxivzn.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 bvxivzn.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2616-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2616-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-676FV.tmp\e0c99792aafb26b5c43c896b0093304f62a12aefba9f1d12e078bee61d809bc4.tmp

MD5 548dec969992f3e928d7c5bcf6dbeccf
SHA1 f4da2c90b95749fbb89e1a16f55719078cb128aa
SHA256 9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768
SHA512 e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

memory/916-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-IU2R6.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-IU2R6.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 c30a8006ff43e8fd687263ee9e85da97
SHA1 85a3eb734573386a471e6d9f21a1e7fdb494a3c9
SHA256 e6a52706c0d11c0cd6f15c76635a95e347274402686c654a8550daebcc1f1a49
SHA512 dc177d08658cf2c32e64d8e6a22aa7a07a3729b5e3e9239aea9448dd2bd8ce9c626e745faae0cb9d26d3ffb2921d1063f51e4e615b61ecbaf8b5283a247445cd

memory/2456-65-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2456-70-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2456-69-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2456-66-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-72-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-74-0x0000000000400000-0x0000000000734000-memory.dmp

memory/2616-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/916-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1084-77-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-80-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-81-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-84-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-87-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-90-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-93-0x0000000000B30000-0x0000000000BD2000-memory.dmp

memory/1084-96-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-101-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-104-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-107-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-110-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-113-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-116-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-119-0x0000000000400000-0x0000000000734000-memory.dmp

memory/1084-122-0x0000000000400000-0x0000000000734000-memory.dmp