Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-gfaasstaqa
Target 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0
SHA256 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0
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

378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0

Threat Level: Known bad

The file 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Executes dropped EXE

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

2024-06-25 05:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 05:44

Reported

2024-06-25 05:46

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.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 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-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4148 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 4148 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 4148 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 2824 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2824 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2824 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2824 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2824 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 2824 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe

"C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"

C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp

"C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp" /SL5="$401FC,5129191,54272,C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
HK 141.98.234.31:53 ayjepdv.ru udp
US 8.8.8.8:53 31.234.98.141.in-addr.arpa udp
RU 152.89.198.214:53 ayjepdv.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
LT 91.211.247.248:53 ayjepdv.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp

Files

memory/4148-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4148-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-LDBL5.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp

MD5 c570b38a29e1d53c38a12bca682672e7
SHA1 f7c6166feae7ab99a125006225622e9929a29aa6
SHA256 3eef7973b2a7cf4cee4907c6c19ad750359a3d08f65f741bc22a26f92f6cdf36
SHA512 f17ddfeccc853f5507d548308b06c5834490d798a96d9de81620b8f8165a10ab31ee6f7912ccd8e1ff04583449c4ac1516b5cc1b165f8a4aa8e387f51e19fcc6

memory/2824-13-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-H67S5.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 5310375253cd0e0fbb5c15cf1d5260d5
SHA1 3b41855c12305b36d6de72132e31f686460a0bc2
SHA256 af510ed4f33cceb25f041db707a7f3c24cfc54deaac1082ab1c2d437ad94e893
SHA512 3194fdcf48bdffdf34b4b6c5e968deda24158227609dc7d4896d39735e4f98c9c4b50187d594dbb525e8f00fe31de7ff2f4402fa7e27512218c13a56ae3305ca

memory/4944-59-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4944-60-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4944-65-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4944-64-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-67-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4148-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2824-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4692-71-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-74-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-77-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-80-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-83-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-86-0x0000000000A80000-0x0000000000B22000-memory.dmp

memory/4692-90-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-93-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-96-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-99-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-102-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-105-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-108-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-111-0x0000000000400000-0x0000000000726000-memory.dmp

memory/4692-114-0x0000000000400000-0x0000000000726000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 05:44

Reported

2024-06-25 05:46

Platform

win11-20240611-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.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 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-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2440 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 2440 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 2440 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
PID 1300 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1300 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1300 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1300 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1300 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 1300 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe

"C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"

C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp

"C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp" /SL5="$4021A,5129191,54272,C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s

Network

Country Destination Domain Proto
LT 91.211.247.248:53 bbxmdwy.com udp
TR 94.156.8.80:80 bbxmdwy.com tcp
EE 194.76.227.81:2023 tcp
US 8.8.8.8:53 80.8.156.94.in-addr.arpa udp
US 8.8.8.8:53 81.227.76.194.in-addr.arpa udp

Files

memory/2440-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2440-2-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp

MD5 c570b38a29e1d53c38a12bca682672e7
SHA1 f7c6166feae7ab99a125006225622e9929a29aa6
SHA256 3eef7973b2a7cf4cee4907c6c19ad750359a3d08f65f741bc22a26f92f6cdf36
SHA512 f17ddfeccc853f5507d548308b06c5834490d798a96d9de81620b8f8165a10ab31ee6f7912ccd8e1ff04583449c4ac1516b5cc1b165f8a4aa8e387f51e19fcc6

C:\Users\Admin\AppData\Local\Temp\is-AG52E.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/1300-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

MD5 5310375253cd0e0fbb5c15cf1d5260d5
SHA1 3b41855c12305b36d6de72132e31f686460a0bc2
SHA256 af510ed4f33cceb25f041db707a7f3c24cfc54deaac1082ab1c2d437ad94e893
SHA512 3194fdcf48bdffdf34b4b6c5e968deda24158227609dc7d4896d39735e4f98c9c4b50187d594dbb525e8f00fe31de7ff2f4402fa7e27512218c13a56ae3305ca

memory/1688-59-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1688-60-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1688-63-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1688-64-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-67-0x0000000000400000-0x0000000000726000-memory.dmp

memory/2440-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1300-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1496-70-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-73-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-76-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-79-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-82-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-85-0x0000000002480000-0x0000000002522000-memory.dmp

memory/1496-88-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-93-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-96-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-99-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-102-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-105-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-108-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-110-0x0000000002480000-0x0000000002522000-memory.dmp

memory/1496-109-0x0000000002480000-0x0000000002522000-memory.dmp

memory/1496-114-0x0000000000400000-0x0000000000726000-memory.dmp

memory/1496-117-0x0000000000400000-0x0000000000726000-memory.dmp