Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-t8cmva1enb
Target 4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567
SHA256 4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567
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

4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567

Threat Level: Known bad

The file 4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 16:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 16:43

Reported

2024-06-25 16:45

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.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-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4344 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 4344 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 4344 wrote to memory of 4716 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 4716 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4716 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4716 wrote to memory of 1492 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4716 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4716 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4716 wrote to memory of 3984 N/A C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe

"C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe"

C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp

"C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp" /SL5="$90090,5144053,54272,C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.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 bhiagdc.com udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 bhiagdc.com udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
LT 91.211.247.248:53 bhiagdc.com udp

Files

memory/4344-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4344-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-2F148.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp

MD5 d319a3ce17a77dc3e907ec3cde6263df
SHA1 a2d6b09d5b74ec25f684f039c653888782c1dc6b
SHA256 0090d0863275e7932857b58a8dbb5965e17cbe0cd4781ed60aee4295d8a85149
SHA512 3bfa72ace92ce5a1557e0512a6c580291c068791c18a97af53a3ceb4cf3824bf3e18547f8057d4a872d2d308f06ce6939405228f742b4410a0905b7bdf751d8b

C:\Users\Admin\AppData\Local\Temp\is-897TO.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4716-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

MD5 e4659288370bbc4fcd87dfa43233689d
SHA1 3047f4c032e77189f3daffdf909bce298aa1a437
SHA256 92467f70c32e193e22e647b1f9a6e4e7ef07dcd502ef4cb563b6e19a10ec869d
SHA512 db760ccafe343fc5422fd91e36a5a9a6aee4c400ffa6d0aba3d77c4bf43d0593edea1d7f6ef22c7edc1e08dd34aad62e35c3fa540278864aedde98e43722d511

memory/1492-59-0x0000000000400000-0x0000000000750000-memory.dmp

memory/1492-60-0x0000000000400000-0x0000000000750000-memory.dmp

memory/1492-65-0x0000000000400000-0x0000000000750000-memory.dmp

memory/1492-64-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-67-0x0000000000400000-0x0000000000750000-memory.dmp

memory/4344-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4716-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3984-71-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-74-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-77-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-80-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-83-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-86-0x0000000000860000-0x0000000000902000-memory.dmp

memory/3984-88-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-93-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-96-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-99-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-102-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-105-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-108-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-111-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3984-114-0x0000000000400000-0x0000000000750000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 16:43

Reported

2024-06-25 16:45

Platform

win11-20240508-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.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 141.98.234.31 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-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3888 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 3888 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 3888 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp
PID 4640 wrote to memory of 72 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4640 wrote to memory of 72 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4640 wrote to memory of 72 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4640 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4640 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
PID 4640 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe

"C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe"

C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp

"C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp" /SL5="$50216,5144053,54272,C:\Users\Admin\AppData\Local\Temp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.exe"

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s

Network

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

Files

memory/3888-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3888-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-9MSEE.tmp\4d43d85e30e1b07cf9387524a9e754b66e4664da4b6978fb3edddba92e6b3567.tmp

MD5 d319a3ce17a77dc3e907ec3cde6263df
SHA1 a2d6b09d5b74ec25f684f039c653888782c1dc6b
SHA256 0090d0863275e7932857b58a8dbb5965e17cbe0cd4781ed60aee4295d8a85149
SHA512 3bfa72ace92ce5a1557e0512a6c580291c068791c18a97af53a3ceb4cf3824bf3e18547f8057d4a872d2d308f06ce6939405228f742b4410a0905b7bdf751d8b

C:\Users\Admin\AppData\Local\Temp\is-N9KPR.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4640-16-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

MD5 e4659288370bbc4fcd87dfa43233689d
SHA1 3047f4c032e77189f3daffdf909bce298aa1a437
SHA256 92467f70c32e193e22e647b1f9a6e4e7ef07dcd502ef4cb563b6e19a10ec869d
SHA512 db760ccafe343fc5422fd91e36a5a9a6aee4c400ffa6d0aba3d77c4bf43d0593edea1d7f6ef22c7edc1e08dd34aad62e35c3fa540278864aedde98e43722d511

memory/72-59-0x0000000000400000-0x0000000000750000-memory.dmp

memory/72-60-0x0000000000400000-0x0000000000750000-memory.dmp

memory/72-63-0x0000000000400000-0x0000000000750000-memory.dmp

memory/72-64-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-67-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3888-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4640-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3064-70-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-73-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-74-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-77-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-80-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-83-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-86-0x0000000000AE0000-0x0000000000B82000-memory.dmp

memory/3064-89-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-94-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-97-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-100-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-103-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-106-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-109-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-112-0x0000000000400000-0x0000000000750000-memory.dmp

memory/3064-115-0x0000000000400000-0x0000000000750000-memory.dmp