Malware Analysis Report

2024-11-15 04:58

Sample ID 240625-mdf88atfmf
Target dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8
SHA256 dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8
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

dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8

Threat Level: Known bad

The file dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8 was found to be: Known bad.

Malicious Activity Summary

socks5systemz botnet discovery

Detect Socks5Systemz Payload

Socks5Systemz

Loads dropped DLL

Unexpected DNS network traffic destination

Executes dropped EXE

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 10:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 10:20

Reported

2024-06-25 10:23

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.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 91.211.247.248 N/A N/A
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-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 8 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 8 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 8 wrote to memory of 4352 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 4352 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4352 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4352 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4352 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4352 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 4352 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe

"C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe"

C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp

"C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp" /SL5="$401EC,4749319,54272,C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.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 ailfeno.ru udp
US 8.8.8.8:53 248.247.211.91.in-addr.arpa udp
RU 152.89.198.214:53 ailfeno.ru udp
US 8.8.8.8:53 214.198.89.152.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
LT 91.211.247.248:53 ailfeno.ru udp

Files

memory/8-0-0x0000000000400000-0x0000000000414000-memory.dmp

memory/8-3-0x0000000000401000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-L1OQQ.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp

MD5 e8f92ef4f6a6bd645173f2b208a1480a
SHA1 598ad6a8f2f48a797157cd9a42a830bcb86685f5
SHA256 3411c3185fee7fd0b74d0faa31af1ff2997ab916eed55f2ef3c99ccaf0e8b27e
SHA512 6900f01866513efd5f00598269ef7493166821e6dcd3d435936bde4416e5dfac1335dd3156351e6f9b1520e23defbbe99ccb09380962afef3cdcbff3272887e1

C:\Users\Admin\AppData\Local\Temp\is-4TA6Q.tmp\_isetup\_iscrypt.dll

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

memory/4352-16-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 e8801950bdfbd7cfa93392db9d3790fe
SHA1 f4be734379ed1ea38ebeb7e9e53d5b8a5288ca97
SHA256 8251c64ca9eabd7b0ca51e97bb9e148d119f840e0792e389137e3da70a3c063c
SHA512 9f6851c5d4a7caef4df38f2966b193fb45675208c2074499e04cdb2bbc22929c6566390da28073abc9e47a45b440ac7aba2c7c4837f74e3baac9aec02f42e323

memory/2852-59-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2852-60-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2852-65-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2852-64-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/8-68-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4352-69-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2212-70-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-73-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-76-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-79-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-82-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-85-0x00000000009D0000-0x0000000000A72000-memory.dmp

memory/2212-87-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-92-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-95-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-98-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-101-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-104-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-107-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-110-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2212-113-0x0000000000400000-0x00000000006C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 10:20

Reported

2024-06-25 10:23

Platform

win11-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.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-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1476 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 1476 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 1476 wrote to memory of 240 N/A C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp
PID 240 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 240 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 240 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 240 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 240 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
PID 240 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe

"C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.exe"

C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp

"C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp" /SL5="$4022E,4749319,54272,C:\Users\Admin\AppData\Local\Temp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.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
RU 152.89.198.214:53 bumlrvi.com udp
TR 94.156.8.80:80 bumlrvi.com tcp
CH 176.10.111.158:2023 tcp
US 8.8.8.8:53 158.111.10.176.in-addr.arpa udp

Files

memory/1476-2-0x0000000000401000-0x000000000040B000-memory.dmp

memory/1476-0-0x0000000000400000-0x0000000000414000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-9TKNL.tmp\dd520bfd993f321fae25b86b9b0c05ee2bab51cdc4b4cb5c6dc6cd0dc80570a8.tmp

MD5 e8f92ef4f6a6bd645173f2b208a1480a
SHA1 598ad6a8f2f48a797157cd9a42a830bcb86685f5
SHA256 3411c3185fee7fd0b74d0faa31af1ff2997ab916eed55f2ef3c99ccaf0e8b27e
SHA512 6900f01866513efd5f00598269ef7493166821e6dcd3d435936bde4416e5dfac1335dd3156351e6f9b1520e23defbbe99ccb09380962afef3cdcbff3272887e1

memory/240-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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

MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5 e8801950bdfbd7cfa93392db9d3790fe
SHA1 f4be734379ed1ea38ebeb7e9e53d5b8a5288ca97
SHA256 8251c64ca9eabd7b0ca51e97bb9e148d119f840e0792e389137e3da70a3c063c
SHA512 9f6851c5d4a7caef4df38f2966b193fb45675208c2074499e04cdb2bbc22929c6566390da28073abc9e47a45b440ac7aba2c7c4837f74e3baac9aec02f42e323

memory/1528-59-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/1528-60-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/1528-63-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-67-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-68-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/1476-69-0x0000000000400000-0x0000000000414000-memory.dmp

memory/240-70-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2496-71-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-74-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-75-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-78-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-81-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-84-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-88-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/2496-89-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-95-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-98-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-101-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-104-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-107-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-110-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-111-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/2496-112-0x00000000008C0000-0x0000000000962000-memory.dmp

memory/2496-116-0x0000000000400000-0x00000000006C1000-memory.dmp

memory/2496-119-0x0000000000400000-0x00000000006C1000-memory.dmp