Malware Analysis Report

2024-10-10 10:40

Sample ID 240610-3szbcawdkr
Target b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320
SHA256 b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320
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

b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320

Threat Level: Known bad

The file b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320 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 23:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 23:47

Reported

2024-06-10 23:49

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.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

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-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4996 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 4996 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 4996 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 2224 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2224 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2224 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2224 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2224 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 2224 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe

"C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe"

C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp

"C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp" /SL5="$90050,4717193,54272,C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 152.89.198.214:53 aiahedy.ru udp
BG 93.123.39.193:80 aiahedy.ru tcp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
BG 93.123.39.193:80 aiahedy.ru tcp
BG 93.123.39.193:80 aiahedy.ru tcp

Files

memory/4996-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4996-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-FGM95.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/2224-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-B9IG4.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 438355f019dda3a9237c49b22a8f5ce4
SHA1 b95dcaf19ad678f08b33f94f8c4d46e24593404a
SHA256 56f2a50199c47e95cb04ed1a6887ac70f7d73b64a1e5a583c4633efa46f67025
SHA512 90fb545af370444abca14969a2179b38968bbe3d27a0dfd8d54077a4f6396e6c53540633c0430a9de61f2349dbac85071a72238c7cb10c7fc99b439ee4bb7f3b

memory/1236-59-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/1236-63-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/1236-61-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/1236-65-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-68-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/4996-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2224-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3476-71-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-74-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-77-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-80-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-83-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-86-0x00000000028E0000-0x0000000002982000-memory.dmp

memory/3476-89-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-94-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-97-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-100-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-103-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-106-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-109-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-112-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3476-115-0x0000000000400000-0x00000000006DB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 23:47

Reported

2024-06-10 23:49

Platform

win11-20240426-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.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 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-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 4908 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 4908 wrote to memory of 4512 N/A C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp
PID 4512 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4512 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4512 wrote to memory of 3544 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4512 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4512 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe
PID 4512 wrote to memory of 3124 N/A C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp C:\Users\Admin\AppData\Local\Linux MultiMedia Studio\linuxmultiMediastudio32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe

"C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.exe"

C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp

"C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp" /SL5="$5005C,4717193,54272,C:\Users\Admin\AppData\Local\Temp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.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 14.227.111.52.in-addr.arpa udp
SE 45.155.250.90:53 ejrtven.ua udp
BG 93.123.39.193:80 ejrtven.ua tcp
BG 93.123.39.193:80 ejrtven.ua tcp
BG 93.123.39.193:80 ejrtven.ua tcp

Files

memory/4908-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4908-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-M71RN.tmp\b29a0f30927b1674b4806be5184af9d2d911e219324e1ea61d7eb59a669fa320.tmp

MD5 da3e3293eadae0b9e8e0bb85b53bf263
SHA1 6fd7ba9a4f76f8500f7ec3d820f70ca0c869173f
SHA256 ecf5f7145a55f9014f86014fd3d9a6048b8f29e653409604e4d12cb1bda2302d
SHA512 c1b4a03f7f657f1db5bbf21f68ebce7373b90135698eb5fe4c432630e7066f0c89eeddd0f6cbb0af631ad62026992503df42e31e6999b166a541044c688a0fb8

memory/4512-7-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EN0PS.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 438355f019dda3a9237c49b22a8f5ce4
SHA1 b95dcaf19ad678f08b33f94f8c4d46e24593404a
SHA256 56f2a50199c47e95cb04ed1a6887ac70f7d73b64a1e5a583c4633efa46f67025
SHA512 90fb545af370444abca14969a2179b38968bbe3d27a0dfd8d54077a4f6396e6c53540633c0430a9de61f2349dbac85071a72238c7cb10c7fc99b439ee4bb7f3b

memory/3544-61-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3544-59-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3544-65-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3544-64-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-67-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-69-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/4908-70-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4512-71-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3124-72-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-75-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-76-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-79-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-82-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-85-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-88-0x0000000000A50000-0x0000000000AF2000-memory.dmp

memory/3124-91-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-96-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-99-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-102-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-105-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-108-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-111-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-114-0x0000000000400000-0x00000000006DB000-memory.dmp

memory/3124-117-0x0000000000400000-0x00000000006DB000-memory.dmp