Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-17frfasgja
Target 3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8
SHA256 3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8
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

3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8

Threat Level: Known bad

The file 3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 22:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 22:17

Reported

2024-06-10 22:19

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.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 152.89.198.214 N/A N/A
Destination IP 91.211.247.248 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-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2512 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 2512 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 2512 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 3040 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3040 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3040 wrote to memory of 312 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3040 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3040 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3040 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe

"C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe"

C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp

"C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp" /SL5="$7011E,4733608,54272,C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.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 23.53.113.159:80 tcp
LT 91.211.247.248:53 dtbeeod.info udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 dtbeeod.info udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 dtbeeod.info udp

Files

memory/2512-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2512-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-BNJLD.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

C:\Users\Admin\AppData\Local\Temp\is-NIK0D.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/3040-13-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 b9df64a49cb330ea63835a5853668c3a
SHA1 36823eefbb3a8a2393415af81761e70efcc66694
SHA256 dea8b5ae1914660f0c3c8f0e722cda5a28f3abf7eb3e8b942bbbdd5dddde8cef
SHA512 43fed52a80d88f745876776f1330f82a03e6f6cb8c90f67ca94d16f54333fa16e8c2c80271a8e628dcbc6468f0ffa912869134c2ba73f3fef83bdd7997cec523

memory/312-59-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/312-63-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/312-65-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-67-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/312-60-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-69-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2512-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3040-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4592-72-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-75-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-76-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-79-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-82-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-85-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-88-0x0000000000910000-0x00000000009B2000-memory.dmp

memory/4592-90-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-96-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-99-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-102-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-105-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-108-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-111-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-114-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4592-117-0x0000000000400000-0x00000000006DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 22:17

Reported

2024-06-10 22:19

Platform

win11-20240508-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.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-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 72 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 72 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 72 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp
PID 4160 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4160 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4160 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4160 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4160 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4160 wrote to memory of 3396 N/A C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe

"C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.exe"

C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp

"C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp" /SL5="$40218,4733608,54272,C:\Users\Admin\AppData\Local\Temp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
LT 91.211.247.248:53 ccrmpum.net udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 ccrmpum.net udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 ccrmpum.net udp

Files

memory/72-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/72-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-S0L9R.tmp\3826743dbd6529aaae2cb51a647ef5871167bb90f262c593a11cf9a2f8d5acb8.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/4160-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-PLHP9.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 b9df64a49cb330ea63835a5853668c3a
SHA1 36823eefbb3a8a2393415af81761e70efcc66694
SHA256 dea8b5ae1914660f0c3c8f0e722cda5a28f3abf7eb3e8b942bbbdd5dddde8cef
SHA512 43fed52a80d88f745876776f1330f82a03e6f6cb8c90f67ca94d16f54333fa16e8c2c80271a8e628dcbc6468f0ffa912869134c2ba73f3fef83bdd7997cec523

memory/956-59-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/956-65-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/956-64-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/956-60-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-68-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-69-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/72-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4160-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3396-72-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-74-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-76-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-79-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-82-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-85-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-86-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/3396-91-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-96-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-99-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-102-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-105-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-108-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-111-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-114-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3396-117-0x0000000000400000-0x00000000006DC000-memory.dmp