Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-p6hnvsvflp
Target f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd
SHA256 f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd
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

f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd

Threat Level: Known bad

The file f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

Unexpected DNS network traffic destination

Loads dropped DLL

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 12:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 12:56

Reported

2024-06-15 12:58

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.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 91.211.247.248 N/A N/A
Destination IP 152.89.198.214 N/A N/A
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-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4704 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 4704 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 4704 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 2772 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2772 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2772 wrote to memory of 1912 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2772 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2772 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2772 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe

"C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe"

C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp" /SL5="$50096,5811752,54272,C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s

Network

Country Destination Domain Proto
SE 45.155.250.90:53 bwybluf.com udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
RU 152.89.198.214:53 bwybluf.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
LT 91.211.247.248:53 bwybluf.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/4704-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4704-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LHQUA.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

memory/2772-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-28N9H.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Temp\is-28N9H.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

MD5 6e7828b151bec0c63aceff11b167bf15
SHA1 372632fde5114752c7fb58930b6ed6052a327b10
SHA256 3df4e3cb94c469eba825bdc57ab9d22771774d0e21d7b9e99d20deeae3e82d87
SHA512 840af3b13d2e5d3359573480e3b5624a52fd2401e70dfc650c377a73c79d5e6415c2b65d3620440bff159dd2d9ad03f240d27c5a76a8b126b4cbe1f392518137

memory/1912-65-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1912-66-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1912-70-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1912-69-0x0000000000400000-0x0000000000778000-memory.dmp

memory/4704-73-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2772-74-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2296-75-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-78-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-81-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-84-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-87-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-90-0x00000000008E0000-0x0000000000982000-memory.dmp

memory/2296-92-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-97-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-100-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-103-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-106-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-109-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-112-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-115-0x0000000000400000-0x0000000000778000-memory.dmp

memory/2296-118-0x0000000000400000-0x0000000000778000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 12:56

Reported

2024-06-15 12:58

Platform

win11-20240508-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.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 91.211.247.248 N/A N/A
Destination IP 152.89.198.214 N/A N/A
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-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4092 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 4092 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 4092 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp
PID 2624 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2624 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2624 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2624 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2624 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
PID 2624 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe

"C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe"

C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp

"C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp" /SL5="$70240,5811752,54272,C:\Users\Admin\AppData\Local\Temp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.exe"

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s

Network

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

Files

memory/4092-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4092-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NP0V8.tmp\f975dc2273e84a98c0af2c2505173d927490ee003da629b425301097d07684dd.tmp

MD5 5f513310dfdd2863a7925cf881b08d83
SHA1 e56ca43de148e9113a0143817d610dbff90984c8
SHA256 a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01
SHA512 c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

C:\Users\Admin\AppData\Local\Temp\is-4BL2D.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-4BL2D.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/2624-19-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

MD5 6e7828b151bec0c63aceff11b167bf15
SHA1 372632fde5114752c7fb58930b6ed6052a327b10
SHA256 3df4e3cb94c469eba825bdc57ab9d22771774d0e21d7b9e99d20deeae3e82d87
SHA512 840af3b13d2e5d3359573480e3b5624a52fd2401e70dfc650c377a73c79d5e6415c2b65d3620440bff159dd2d9ad03f240d27c5a76a8b126b4cbe1f392518137

memory/4352-65-0x0000000000400000-0x0000000000778000-memory.dmp

memory/4352-66-0x0000000000400000-0x0000000000778000-memory.dmp

memory/4352-70-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-73-0x0000000000400000-0x0000000000778000-memory.dmp

memory/4092-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2624-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1292-76-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-79-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-82-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-85-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-88-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-89-0x00000000028F0000-0x0000000002992000-memory.dmp

memory/1292-93-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-99-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-102-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-105-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-108-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-111-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-114-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-117-0x0000000000400000-0x0000000000778000-memory.dmp

memory/1292-120-0x0000000000400000-0x0000000000778000-memory.dmp