Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-z8k7wa1fnq
Target c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce
SHA256 c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce
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

c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce

Threat Level: Known bad

The file c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Socks5Systemz

Detect Socks5Systemz Payload

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

2024-06-10 21:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 21:23

Reported

2024-06-10 21:25

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.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-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 2524 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 2524 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 4920 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4920 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4920 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4920 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4920 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4920 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe

"C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe"

C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp

"C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp" /SL5="$D0066,4673706,54272,C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s

Network

Country Destination Domain Proto
US 52.111.229.48:443 tcp
LT 91.211.247.248:53 diroqpb.info udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 diroqpb.info udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
LT 91.211.247.248:53 diroqpb.info udp

Files

memory/2524-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-42JGQ.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/4920-9-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GPFS1.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

MD5 1a49b62ffe4d7ee27245bfb59e963c34
SHA1 6c7467c8cda0c7ef1410f772494b985ae465f9ad
SHA256 9fe0ddff1394f78f3c4e06dc68369240d6eae8032291ef310feee388de8dd52e
SHA512 2b7c0f9b1e85faa5aa474849d2b636f2e83ac132e0cd805e0b3da9fd8e53b91f9aa020c1e9a53c3a59d63e32b871daa7c4ae8fae2f9743701528aa7c04bc942e

memory/2140-59-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/2140-60-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/2140-61-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/2140-65-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-68-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/2524-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4920-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1332-71-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-74-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-77-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-80-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-83-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-85-0x00000000028E0000-0x0000000002982000-memory.dmp

memory/1332-88-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-94-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-97-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-100-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-103-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-106-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-109-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-112-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/1332-115-0x0000000000400000-0x00000000006DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 21:23

Reported

2024-06-10 21:25

Platform

win11-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.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 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-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3532 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 3532 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 3532 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp
PID 4916 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4916 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4916 wrote to memory of 4208 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4916 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4916 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4916 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe

"C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe"

C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp" /SL5="$50064,4673706,54272,C:\Users\Admin\AppData\Local\Temp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.exe"

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -i

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

"C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe" -s

Network

Country Destination Domain Proto
US 52.111.227.11:443 tcp
LT 91.211.247.248:53 aqykxsh.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 aqykxsh.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
LT 91.211.247.248:53 aqykxsh.ru udp

Files

memory/3532-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3532-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4PDP5.tmp\c320ecffda839d9a6e76c0035dcb20d75dc59e7827dce90d7c449294fba925ce.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

C:\Users\Admin\AppData\Local\Temp\is-UDP7J.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4916-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

MD5 1a49b62ffe4d7ee27245bfb59e963c34
SHA1 6c7467c8cda0c7ef1410f772494b985ae465f9ad
SHA256 9fe0ddff1394f78f3c4e06dc68369240d6eae8032291ef310feee388de8dd52e
SHA512 2b7c0f9b1e85faa5aa474849d2b636f2e83ac132e0cd805e0b3da9fd8e53b91f9aa020c1e9a53c3a59d63e32b871daa7c4ae8fae2f9743701528aa7c04bc942e

memory/4208-60-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4208-63-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4208-65-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4208-59-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-68-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/3532-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4916-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4120-71-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-74-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-75-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-78-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-81-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-84-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-87-0x0000000000A20000-0x0000000000AC2000-memory.dmp

memory/4120-89-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-94-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-97-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-100-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-103-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-106-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-109-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-112-0x0000000000400000-0x00000000006DD000-memory.dmp

memory/4120-115-0x0000000000400000-0x00000000006DD000-memory.dmp