Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-29zg1avbre
Target ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6
SHA256 ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6
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

ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6

Threat Level: Known bad

The file ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 23:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 23:17

Reported

2024-06-10 23:20

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.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-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2932 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 2932 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 2932 wrote to memory of 1108 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 1108 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1108 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1108 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1108 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1108 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 1108 wrote to memory of 4668 N/A C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe

"C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe"

C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp" /SL5="$601CA,4806509,54272,C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.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 30.243.111.52.in-addr.arpa udp
RU 152.89.198.214:53 ckyrtoo.net udp
BG 93.123.39.193:80 ckyrtoo.net tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
CH 176.10.111.158:2023 tcp
US 8.8.8.8:53 193.39.123.93.in-addr.arpa udp
US 8.8.8.8:53 158.111.10.176.in-addr.arpa udp
US 8.8.8.8:53 104.246.116.51.in-addr.arpa udp

Files

memory/2932-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2932-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-UPKI3.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/1108-12-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-RECP9.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 bfcb75ed1e1203a8c38478e71f678991
SHA1 fada144453cb11ac4562684d09ae3afb8429a977
SHA256 17ed6414ef4e99c79f0fd9b7cc148cfd97b1e88c6ccbb6d836e44e60c54bd9aa
SHA512 a42509a62c63ddc79f4b42b59acb6914518e557d387dd9debc902eb8d483931b69c48a59855b537801dde04b6adb3f2c61fe8adeea05b8420ca742354b9bf376

memory/868-59-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/868-63-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/868-65-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-68-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/868-60-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2932-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1108-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4668-71-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-74-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-77-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-80-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-83-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-88-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-86-0x0000000002870000-0x0000000002912000-memory.dmp

memory/4668-94-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-97-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-100-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-103-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-106-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-109-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-111-0x0000000002870000-0x0000000002912000-memory.dmp

memory/4668-110-0x0000000002870000-0x0000000002912000-memory.dmp

memory/4668-115-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/4668-118-0x0000000000400000-0x00000000006FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 23:17

Reported

2024-06-10 23:20

Platform

win11-20240419-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.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-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3516 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 3516 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 3516 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp
PID 3364 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3364 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3364 wrote to memory of 3108 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3364 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3364 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 3364 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe

"C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.exe"

C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp

"C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp" /SL5="$40206,4806509,54272,C:\Users\Admin\AppData\Local\Temp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.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 aamkmhz.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 aamkmhz.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 aamkmhz.ru udp

Files

memory/3516-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3516-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-O84OQ.tmp\ead3aa84f64dfa7f4c77c404bf5f2beda477c2d58220880d4fdb86aabb5827a6.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

C:\Users\Admin\AppData\Local\Temp\is-3USRP.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/3364-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 bfcb75ed1e1203a8c38478e71f678991
SHA1 fada144453cb11ac4562684d09ae3afb8429a977
SHA256 17ed6414ef4e99c79f0fd9b7cc148cfd97b1e88c6ccbb6d836e44e60c54bd9aa
SHA512 a42509a62c63ddc79f4b42b59acb6914518e557d387dd9debc902eb8d483931b69c48a59855b537801dde04b6adb3f2c61fe8adeea05b8420ca742354b9bf376

memory/3108-59-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/3108-60-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/3108-65-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/3108-63-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-68-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/3516-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3364-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2376-71-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-74-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-77-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-80-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-83-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-86-0x00000000028C0000-0x0000000002962000-memory.dmp

memory/2376-88-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-94-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-97-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-100-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-103-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-106-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-109-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-112-0x0000000000400000-0x00000000006FC000-memory.dmp

memory/2376-115-0x0000000000400000-0x00000000006FC000-memory.dmp