Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-jjsyeseg34
Target 5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba
SHA256 5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba
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

5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba

Threat Level: Known bad

The file 5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Executes dropped EXE

Loads dropped DLL

Unexpected DNS network traffic destination

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 07:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 07:42

Reported

2024-06-10 07:44

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.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 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-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 388 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 388 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 388 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 2172 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 2172 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 2172 wrote to memory of 4344 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 2172 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 2172 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 2172 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe

"C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe"

C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp

"C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp" /SL5="$80092,4573661,54272,C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 diegxlo.info udp
BG 93.123.39.193:80 diegxlo.info tcp
FR 195.154.173.35:2023 tcp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 90.250.155.45.in-addr.arpa udp
US 8.8.8.8:53 35.173.154.195.in-addr.arpa udp

Files

memory/388-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/388-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-64E45.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp

MD5 9e060fd52fe2d2c3d99f08a2c420fbe4
SHA1 ff4322563f4093cdcd878b54774bdd95ed167420
SHA256 c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377
SHA512 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb

memory/2172-13-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 78b54b73e1b40ea97f389614511a9b3a
SHA1 0fcc2559cc7802a28053115a84777b3272e1f97f
SHA256 8723538ec6c2a2d517322f4cbb978f15ecd8594eaffb3fe8825889aa54279e5b
SHA512 1a3005e382df7724a8420a0fd899438fa7544e83cc3b90d02cfece80905c3ad25a8935d594c15a1553402bcac7aab690b895570d50883b5d235ba2877873c6d8

memory/4344-59-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4344-60-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4344-63-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4344-65-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-68-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/388-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2172-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4668-71-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-74-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-77-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-80-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-83-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-85-0x0000000002840000-0x00000000028E2000-memory.dmp

memory/4668-88-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-94-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-97-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-100-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-103-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-106-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-109-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-110-0x0000000002840000-0x00000000028E2000-memory.dmp

memory/4668-111-0x0000000002840000-0x00000000028E2000-memory.dmp

memory/4668-115-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/4668-118-0x0000000000400000-0x00000000006E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 07:42

Reported

2024-06-10 07:44

Platform

win11-20240508-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.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 141.98.234.31 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-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 772 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 772 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 772 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp
PID 1476 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 1476 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 1476 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 1476 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 1476 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe
PID 1476 wrote to memory of 3788 N/A C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe

"C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe"

C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp

"C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp" /SL5="$501E6,4573661,54272,C:\Users\Admin\AppData\Local\Temp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.exe"

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

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

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

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

Network

Country Destination Domain Proto
HK 141.98.234.31:53 bbkowiw.com udp
BG 93.123.39.193:80 bbkowiw.com tcp
FR 195.154.185.134:2023 tcp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 134.185.154.195.in-addr.arpa udp

Files

memory/772-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/772-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-6S1SA.tmp\5d4b34268a067c0c8ab433bd91788f2eef9e9f2bcab7cf9118bd3d1bcd6fe9ba.tmp

MD5 9e060fd52fe2d2c3d99f08a2c420fbe4
SHA1 ff4322563f4093cdcd878b54774bdd95ed167420
SHA256 c2448d11d0a1487e74f5d94961d1317910f5b7777541bb07e41c15b42b40d377
SHA512 36815790bc7e569a3c1a1809d9bcbd3e5742c2694f8a9137e1ec02eca183a5f5a1670bbd806c4510d5b3fb874780a70f7102574678f0f002d8fdfdff701672bb

memory/1476-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4CM3N.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 78b54b73e1b40ea97f389614511a9b3a
SHA1 0fcc2559cc7802a28053115a84777b3272e1f97f
SHA256 8723538ec6c2a2d517322f4cbb978f15ecd8594eaffb3fe8825889aa54279e5b
SHA512 1a3005e382df7724a8420a0fd899438fa7544e83cc3b90d02cfece80905c3ad25a8935d594c15a1553402bcac7aab690b895570d50883b5d235ba2877873c6d8

memory/2040-59-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/2040-63-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/2040-62-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-67-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-68-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/772-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1476-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3788-71-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-74-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-75-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-78-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-81-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-84-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp

memory/3788-90-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-95-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-98-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-101-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-104-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-107-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-110-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-112-0x0000000000AA0000-0x0000000000B42000-memory.dmp

memory/3788-111-0x0000000000AA0000-0x0000000000B42000-memory.dmp

memory/3788-116-0x0000000000400000-0x00000000006E4000-memory.dmp

memory/3788-119-0x0000000000400000-0x00000000006E4000-memory.dmp