Malware Analysis Report

2024-10-10 10:40

Sample ID 240611-akmy5awepe
Target 8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c
SHA256 8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c
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

8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c

Threat Level: Known bad

The file 8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c 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

2024-06-11 00:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 00:16

Reported

2024-06-11 00:19

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.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

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-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 516 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 516 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 516 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 1116 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1116 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1116 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1116 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1116 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1116 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe

"C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe"

C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp

"C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp" /SL5="$90092,4697839,54272,C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
LT 91.211.247.248:53 bwjcuuu.com udp
BG 93.123.39.193:80 bwjcuuu.com tcp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
BG 93.123.39.193:80 bwjcuuu.com tcp
BG 93.123.39.193:80 bwjcuuu.com tcp

Files

memory/516-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/516-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-4LE4K.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/1116-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-GC67I.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 3b9daccd799df598bfc8a6e0df7f6246
SHA1 76e7d975e7fbe88396fa19e20f7ec61f2f74de1d
SHA256 2399aa5ab4ce023424173e8d96b1492f18cbd846e36aa7e66efa4f740d2e5027
SHA512 e33001bbe258d07a7518ed82b2759eb9764bfa7e5b358acdd5cbfcfcb4b353a8ed0d493cb82dea75738e2221dc6524fc6c0bf34dcbb095e22495b9a1a52fbcbc

memory/976-59-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/976-60-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/976-64-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/976-65-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-67-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-69-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/516-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1116-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4024-72-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-76-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-75-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-79-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-82-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-85-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-88-0x0000000000880000-0x0000000000922000-memory.dmp

memory/4024-91-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-96-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-99-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-102-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-105-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-108-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-111-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-114-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/4024-117-0x0000000000400000-0x00000000006DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 00:16

Reported

2024-06-11 00:19

Platform

win11-20240426-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.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

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-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3080 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 3080 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 3080 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp
PID 2172 wrote to memory of 3720 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2172 wrote to memory of 3720 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2172 wrote to memory of 3720 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2172 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2172 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2172 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe

"C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.exe"

C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp

"C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp" /SL5="$60068,4697839,54272,C:\Users\Admin\AppData\Local\Temp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.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
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
LT 91.211.247.248:53 ddevmjb.info udp
BG 93.123.39.193:80 ddevmjb.info tcp
BG 93.123.39.193:80 ddevmjb.info tcp
BG 93.123.39.193:80 ddevmjb.info tcp

Files

memory/3080-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3080-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-TVM3A.tmp\8336f07e1a4e526e978a038feaa17ff205aca2d2396d0bf28484e3447baf5d7c.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/2172-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 3b9daccd799df598bfc8a6e0df7f6246
SHA1 76e7d975e7fbe88396fa19e20f7ec61f2f74de1d
SHA256 2399aa5ab4ce023424173e8d96b1492f18cbd846e36aa7e66efa4f740d2e5027
SHA512 e33001bbe258d07a7518ed82b2759eb9764bfa7e5b358acdd5cbfcfcb4b353a8ed0d493cb82dea75738e2221dc6524fc6c0bf34dcbb095e22495b9a1a52fbcbc

memory/3720-59-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3720-62-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3720-63-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-67-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-68-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3080-69-0x0000000000400000-0x0000000000414000-memory.dmp

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

memory/2304-71-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-74-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-75-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-78-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-81-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-84-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-87-0x0000000000A60000-0x0000000000B02000-memory.dmp

memory/2304-90-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-95-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-98-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-101-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-104-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-107-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-110-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-113-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/2304-116-0x0000000000400000-0x00000000006DC000-memory.dmp