Malware Analysis Report

2024-10-10 10:39

Sample ID 240615-g6hpvs1cnh
Target 945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673
SHA256 945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673
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

945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673

Threat Level: Known bad

The file 945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673 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 WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 06:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 06:24

Reported

2024-06-15 06:27

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.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-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 880 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 880 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 880 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 1920 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 1920 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 1920 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 1920 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 1920 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 1920 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe

"C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe"

C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp

"C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp" /SL5="$701CA,5810257,54272,C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.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 71.159.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 152.89.198.214:53 bdhnscc.com udp
TR 94.156.8.80:80 bdhnscc.com tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
NL 89.105.201.183:2023 tcp
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
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/880-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/880-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6962U.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp

MD5 e6d2fc7b9b3ceccedcf57875330a8ff1
SHA1 7bc2a4e40e24b2c0d130883b7255a97cdd4e1e6f
SHA256 001f671b1a90209f7133c55c809be8fe96797c89bebcce04aab5e846d9c91cc3
SHA512 0d5809e67459ce5eae974f11428fe5fc124f52d7532528d5952dca17b29d6941a7b1f31e04fbcdc62e86f6186586efb559cfeaca054a7d05c77461d31455ac7f

memory/1920-10-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-J02E4.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

C:\Users\Admin\AppData\Local\Temp\is-J02E4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 72a10f0b2eb694fddafc4e2b1206baed
SHA1 3fc309312cbb308c717ad5d8b2cc09a9a181ca8b
SHA256 4d2e77d5a228541339b64312154a611389ca39851ebd77194cfdf2336e15bcee
SHA512 6cee2fdbe2e3f21707921eb7fea58652253be49375260a203a2d0015fbc08427d0cd7e17be671f6c3601e1f2965b90bd863e80ffc4a11c2fdfb3fb47bd250443

memory/4360-65-0x0000000000400000-0x000000000072D000-memory.dmp

memory/4360-66-0x0000000000400000-0x000000000072D000-memory.dmp

memory/4360-69-0x0000000000400000-0x000000000072D000-memory.dmp

memory/4360-71-0x0000000000400000-0x000000000072D000-memory.dmp

memory/880-74-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1920-75-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/976-76-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-79-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-82-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-85-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-88-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-89-0x0000000000A70000-0x0000000000B12000-memory.dmp

memory/976-93-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-98-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-101-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-104-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-107-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-110-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-113-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-115-0x0000000000A70000-0x0000000000B12000-memory.dmp

memory/976-114-0x0000000000A70000-0x0000000000B12000-memory.dmp

memory/976-119-0x0000000000400000-0x000000000072D000-memory.dmp

memory/976-122-0x0000000000400000-0x000000000072D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 06:24

Reported

2024-06-15 06:27

Platform

win11-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.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 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-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 2492 wrote to memory of 3608 N/A C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp
PID 3608 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 3608 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 3608 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 3608 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 3608 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
PID 3608 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe

"C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.exe"

C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp

"C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp" /SL5="$40234,5810257,54272,C:\Users\Admin\AppData\Local\Temp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.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 erpkjry.ua udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
RU 152.89.198.214:53 erpkjry.ua udp
LT 91.211.247.248:53 erpkjry.ua udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2492-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-B1AS3.tmp\945103d43a3b4db2fdded297ec9625e54f4d7f494aeb27280e133bac22389673.tmp

MD5 e6d2fc7b9b3ceccedcf57875330a8ff1
SHA1 7bc2a4e40e24b2c0d130883b7255a97cdd4e1e6f
SHA256 001f671b1a90209f7133c55c809be8fe96797c89bebcce04aab5e846d9c91cc3
SHA512 0d5809e67459ce5eae974f11428fe5fc124f52d7532528d5952dca17b29d6941a7b1f31e04fbcdc62e86f6186586efb559cfeaca054a7d05c77461d31455ac7f

C:\Users\Admin\AppData\Local\Temp\is-9DR3N.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Temp\is-9DR3N.tmp\_isetup\_isdecmp.dll

MD5 a813d18268affd4763dde940246dc7e5
SHA1 c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512 b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

memory/3608-22-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 72a10f0b2eb694fddafc4e2b1206baed
SHA1 3fc309312cbb308c717ad5d8b2cc09a9a181ca8b
SHA256 4d2e77d5a228541339b64312154a611389ca39851ebd77194cfdf2336e15bcee
SHA512 6cee2fdbe2e3f21707921eb7fea58652253be49375260a203a2d0015fbc08427d0cd7e17be671f6c3601e1f2965b90bd863e80ffc4a11c2fdfb3fb47bd250443

memory/2796-66-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2796-65-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2796-71-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2796-70-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-74-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2492-75-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3608-76-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2388-77-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-80-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-83-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-86-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-89-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-90-0x0000000002550000-0x00000000025F2000-memory.dmp

memory/2388-95-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-100-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-103-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-106-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-109-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-112-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-115-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-118-0x0000000000400000-0x000000000072D000-memory.dmp

memory/2388-121-0x0000000000400000-0x000000000072D000-memory.dmp